Provides general information on Labconco's Protector Controlled Atmosphere, Multi-Hazard and Combination Glove Boxes. Answers basic questions and discusses the features and benefits of Protector Glove Boxes. Also addresses accessories, market applications and the American Glove Box Society.
NMR- Diamagnetic Anisotropy and its effect on chemical shiftD.R. Chandravanshi
The shift in the position of the NMR region resulting from the shielding and deshielding by electrons is called chemical shift.
When a proton is present inside the magnetic field more close to an electro positive atom more applied magnetic field is required to cause excitation. This effect is called shielding effect.
When a proton is present outside the magnetic field close to a electronegative atom less applied magnetic field is required to cause excitation . This effect is called deshielding effect
Fullerenes are hollow carbon structures made of pentagonal and hexagonal rings. C60 is the most studied fullerene due to its availability and properties. Functionalizing C60 increases its solubility and processability. Some applications of fullerenes include artificial photosynthesis, non-linear optics, cosmetics, surface coatings, and biological uses. Fullerenes are powerful antioxidants that can neutralize many free radicals, protecting cells from damage. They have potential uses in areas where oxidation causes degradation, like food spoilage and metal corrosion. Fullerenes also show promise for targeted drug delivery and reducing friction in moving parts.
Analysis of Conducting Polymer:Polypyrrole::Part 1Debajyoti Biswas
Polypyrrole is a conducting polymer that can be synthesized through oxidation of its monomer, pyrrole. When oxidized, polypyrrole becomes conductive and has applications in electronic devices and chemical sensors. It has potential uses for radar absorbing materials and as a vehicle for drug delivery. Polypyrrole's conductivity ranges from 2-100 S/cm and depends on the reagents and conditions used during oxidation. It is being investigated for applications such as artificial muscles due to its ability to swell and accommodate ions through doping.
Theory of phonon-assisted luminescence: application to h-BNClaudio Attaccalite
In this talk, I present a theory of phonon-assisted luminescence in terms of non-equilibrium Green's functions and time-dependent perturbation theory. This theory is then applied to the phonon-assisted luminescence in hexagonal boron nitride
This document summarizes metal ion transport and storage in biological systems. It discusses the general properties of transport systems like ionophores, ion channels, and ion pumps. Specific mechanisms for transporting ions like sodium, potassium, iron, and calcium are described. Metal storage is achieved through proteins like ferritin and metallothionein. Problems associated with transporting and storing metal ions across membranes are also highlighted.
The properties of nanomaterials depend on their small size, with dimensions typically between 1 to 100 nanometers. As size decreases, the surface area to volume ratio increases, altering physical properties like melting point. Nanomaterials also exhibit unique electrical properties due to quantum confinement effects, where energy levels become discrete. Their optical, magnetic, chemical and mechanical properties also change at the nanoscale, making nanomaterials useful in applications like hydrogen storage, catalysis, and superplastic materials.
This document discusses neutron diffraction and its applications. Neutron diffraction uses neutron scattering to determine the atomic and magnetic structure of materials. Neutrons can be scattered through both nuclear scattering via interaction with atomic nuclei, and magnetic scattering via interaction of the neutron's magnetic moment with the magnetic moments of atoms. This allows neutron diffraction to probe both atomic structure and magnetic ordering. Some key advantages of neutron diffraction are that neutrons are highly penetrating, non-destructive, and sensitive to light atoms. This technique is widely used to determine crystal and magnetic structures.
NMR- Diamagnetic Anisotropy and its effect on chemical shiftD.R. Chandravanshi
The shift in the position of the NMR region resulting from the shielding and deshielding by electrons is called chemical shift.
When a proton is present inside the magnetic field more close to an electro positive atom more applied magnetic field is required to cause excitation. This effect is called shielding effect.
When a proton is present outside the magnetic field close to a electronegative atom less applied magnetic field is required to cause excitation . This effect is called deshielding effect
Fullerenes are hollow carbon structures made of pentagonal and hexagonal rings. C60 is the most studied fullerene due to its availability and properties. Functionalizing C60 increases its solubility and processability. Some applications of fullerenes include artificial photosynthesis, non-linear optics, cosmetics, surface coatings, and biological uses. Fullerenes are powerful antioxidants that can neutralize many free radicals, protecting cells from damage. They have potential uses in areas where oxidation causes degradation, like food spoilage and metal corrosion. Fullerenes also show promise for targeted drug delivery and reducing friction in moving parts.
Analysis of Conducting Polymer:Polypyrrole::Part 1Debajyoti Biswas
Polypyrrole is a conducting polymer that can be synthesized through oxidation of its monomer, pyrrole. When oxidized, polypyrrole becomes conductive and has applications in electronic devices and chemical sensors. It has potential uses for radar absorbing materials and as a vehicle for drug delivery. Polypyrrole's conductivity ranges from 2-100 S/cm and depends on the reagents and conditions used during oxidation. It is being investigated for applications such as artificial muscles due to its ability to swell and accommodate ions through doping.
Theory of phonon-assisted luminescence: application to h-BNClaudio Attaccalite
In this talk, I present a theory of phonon-assisted luminescence in terms of non-equilibrium Green's functions and time-dependent perturbation theory. This theory is then applied to the phonon-assisted luminescence in hexagonal boron nitride
This document summarizes metal ion transport and storage in biological systems. It discusses the general properties of transport systems like ionophores, ion channels, and ion pumps. Specific mechanisms for transporting ions like sodium, potassium, iron, and calcium are described. Metal storage is achieved through proteins like ferritin and metallothionein. Problems associated with transporting and storing metal ions across membranes are also highlighted.
The properties of nanomaterials depend on their small size, with dimensions typically between 1 to 100 nanometers. As size decreases, the surface area to volume ratio increases, altering physical properties like melting point. Nanomaterials also exhibit unique electrical properties due to quantum confinement effects, where energy levels become discrete. Their optical, magnetic, chemical and mechanical properties also change at the nanoscale, making nanomaterials useful in applications like hydrogen storage, catalysis, and superplastic materials.
This document discusses neutron diffraction and its applications. Neutron diffraction uses neutron scattering to determine the atomic and magnetic structure of materials. Neutrons can be scattered through both nuclear scattering via interaction with atomic nuclei, and magnetic scattering via interaction of the neutron's magnetic moment with the magnetic moments of atoms. This allows neutron diffraction to probe both atomic structure and magnetic ordering. Some key advantages of neutron diffraction are that neutrons are highly penetrating, non-destructive, and sensitive to light atoms. This technique is widely used to determine crystal and magnetic structures.
The document discusses graphene, a one-atom thick sheet of carbon atoms arranged in a honeycomb lattice. Graphene was discovered in 2003 when researchers found thin flakes of it on scotch tape. It has remarkable mechanical, thermal, electrical, and optical properties such as being very strong yet flexible, highly conductive, and nearly transparent. These properties give graphene potential applications in areas like integrated circuits, water purification, gas sensors, transistors, solar cells, and flexible displays. However, widespread use of graphene is limited by challenges in production costs, quality control, and the lack of a bandgap.
This document discusses nonlinear optics and summarizes key topics covered:
- It describes the difference between linear and nonlinear optics, where linear optics involves weak light that is unchanged and nonlinear optics involves intense light that can induce effects and be manipulated.
- Nonlinear optics allows changing light properties like color and shape, and has applications in telecommunications and creating ultrashort events.
- Phenomena like sum and difference frequency generation are examples of second-order nonlinear optical effects. Phase matching is important for efficient nonlinear optical processes.
- Applications of nonlinear optics include optical phase conjugation, optical parametric oscillators, optical computing, optical switching, and optical data storage.
This document discusses spinels and inverse spinels, which are metal oxides with general formulas of AB2X4 and (BIII)tet(AIIBIII)octX4 respectively. Spinels have a normal cubic close-packed structure with B3+ ions occupying half the octahedral holes and A2+ ions occupying one-eighth of the tetrahedral holes. Examples include MgAl2O4 and Mn3O4. Inverse spinels have an alternate arrangement with A2+ ions occupying the octahedral voids and half of B3+ ions occupying the tetrahedral voids. The document also discusses perovskites, which have the general formula ABX3 and examples include barium
Neutron diffraction uses neutron scattering to determine the atomic and magnetic structure of materials. Neutrons interact with atomic nuclei through nuclear forces and with magnetic moments through their own magnetic moment. This allows neutron diffraction to probe both atomic structure and magnetic structure. It has advantages over x-ray diffraction as neutrons can penetrate bulk samples and are sensitive to lighter elements. Neutron diffraction is widely used to study crystal and magnetic structures.
Ferromagnetic materials have three main characteristics:
1) They become spontaneously magnetized in the absence of an external magnetic field due to parallel alignment of magnetic moments.
2) They have a magnetic ordering temperature called the Curie temperature, above which they become paramagnetic.
3) They are used in many devices like transformers, electromagnets, and computer hard drives due to their magnetic properties.
This document provides an overview of polymers including their definition, history, types, nomenclature, molecular structure, and polymerization mechanisms. Key points include:
- Polymers are high molecular weight materials formed by combining many small monomer units through covalent bonds.
- They can be classified as addition or condensation polymers depending on their polymerization mechanism.
- Common polymerization mechanisms include free radical, cationic, anionic, and step-growth polymerization.
- Polymer properties depend on factors like molecular structure, morphology, and configuration.
Conducting polymers are those polymers which conduct electricity due to extended P- orbital system. Due to this extension of P orbital electrons can move from one end to another end of the polymer.
Graphene, the amazing two-dimensional carbon nanomaterial, has attracted extensive interest in recent years and emerged as the most intensively studied material [1]. In 2004, Geim and Nosovelov at Manchester University successfully isolated single layer graphene by the mechanical cleavage of graphite crystal [2]. This ‘‘thinnest’’ known material exhibits extraordinary electronic, chemical, mechanical, thermal and optical properties which bestowed graphene as a miracle material of the 21st Century. From applicative perspectives, graphene holds a great promise with the potential to be used as energy-storage materials, in nanoelectronics, in catalysis, biomedical, in polymer composites and many more.
CARBON NANOTUBES-TREATMENT AND FUNCTIONALIZATIONArjun K Gopi
Carbon nanotubes are fullerene-related structures consisting of graphene cylinders closed at either end with pentagonal rings. There are two main types: single-walled nanotubes (SWNTs), which have diameters around 1 nanometer, and multi-walled nanotubes (MWNTs) made of multiple concentric graphene cylinders. Functionalization of carbon nanotubes is important for applications and can occur through non-covalent interactions like wrapping of surfactants or polymers or through covalent bonding by attaching molecules to existing defects or through reactions to functionalize the graphene sidewalls. The document discusses different methods of non-covalent and covalent functionalization of carbon nanotubes.
PPT on "Functionalization of Nanoparticles and Nanoplatelets" by Deepak rawalDeepak Rawal
Presentation on Functionalization of nanoparticles, magnetic nanoparticles, chemical funtionalization, funtionalization of carbon nanotubes and their applications. Introduction about graphite nanoplatelets.
This document summarizes recent experiments and theoretical work on the optical properties of hexagonal boron nitride (hBN). Key findings include:
1) Ellipsometry using synchrotron radiation determined hBN's dielectric constant up to 25 eV and found it transparent in the ultraviolet C range lethal to coronaviruses.
2) Theoretical calculations of hBN's bandgap, electron-phonon coupling, excitons, and phonon dispersion were in good agreement with experimental values.
3) High-pressure reflectance spectroscopy and theoretical calculations showed that pressure tunes hBN's direct and indirect excitonic transitions by shifting their energies.
The document discusses various photooxidation and photoreduction reactions in organic synthesis. It begins by introducing photochemistry and defining related terms. It then provides examples of photoreduction of ketones and aromatic hydrocarbons. Examples of photooxidation reactions include the conversion of trans-stilbene to phenanthrene and the synthesis of benzoic acids via aerobic photooxidation. The document also describes the mechanism and advantages of using a CdIn2S4 photocatalyst for selective photosynthesis of organic aromatic compounds under visible light.
Photolysis is a chemical process where molecules are broken down by light absorption. Flash photolysis is commonly used to study short-lived intermediates in photochemical reactions, employing a photolysis flash to initiate reactions followed by a monitoring flash to measure absorption spectra. To study processes in the nanosecond time range, lasers can be used to generate photolysis pulses less than 20 nanoseconds, allowing observation of excited singlet state lifetimes and other fast reactions. Laser flash photolysis systems employ a laser pulse to synchronize a photolysis spark and provide pulses to initiate reactions and monitor absorption on nanosecond timescales, enabling identification of transient intermediates and insight into fast reaction mechanisms.
Flash photolysis and Shock tube method PRUTHVIRAJ K
In 1967 the Nobel prize in chemistry was awarded to Manfred Eigen, Ronald George Wreyford Norrish for their co-discovery of Flash photolysis in 1949.
Flash photolysis is used to extensively to study reactions that happen extremely quickly, even down to the femtosecond depending on the laser that is used. The technique was born out of cameras developed during and shorty after WWII, which were used to take pictures of fast moving planes, rockets and Missiles.
Since then the technology of laser and optics has progressed allowing faster and faster reactions to be studied.
This document discusses theories of heat capacity in solids. It begins by describing Dulong and Petit's 1819 observation that the heat capacity of solids is approximately 3R. Einstein's theory from 1907 treated solids as assemblies of independent oscillators, predicting the heat capacity approaches 3R only at very high temperatures. Debye's 1912 theory improved on this by treating solids as continuous elastic mediums with phonon vibrational waves, removing the restriction of single oscillator frequencies. The document provides equations for calculating heat capacity based on Einstein's and Debye's models, and notes Debye temperature is important in determining when the heat capacity approaches the classical Dulong-Petit limit.
more chemistry contents are available
1. pdf file on Termmate: https://www.termmate.com/rabia.aziz
2. YouTube: https://www.youtube.com/channel/UCKxWnNdskGHnZFS0h1QRTEA
3. Facebook: https://web.facebook.com/Chemist.Rabia.Aziz/
4. Blogger: https://chemistry-academy.blogspot.com/
photo redox reactions
A solvent is a liquid that dissolves a solute, forming a solution. The key properties that determine whether a substance will dissolve in a solvent are polarity - polar solvents dissolve polar solutes and nonpolar solvents dissolve nonpolar solutes. Common solvents include water, alcohols, acetone, oils, and organic compounds. Molecular sieves are used to dry solvents by adsorbing water and other impurities. The size of the sieve pores determines what compounds it can adsorb most effectively.
The document provides information on protein crystallization, including what is needed to crystallize a protein, how to improve crystallization chances, the theory behind crystallization setups and conditions, evaluating crystallization screens, and obtaining and analyzing protein crystals. The key aspects are having a pure and concentrated protein, screening a variety of conditions to find initial "hits", and optimizing these conditions through small changes to precipitants and additives to obtain high-quality crystals.
The document discusses graphene, a one-atom thick sheet of carbon atoms arranged in a honeycomb lattice. Graphene was discovered in 2003 when researchers found thin flakes of it on scotch tape. It has remarkable mechanical, thermal, electrical, and optical properties such as being very strong yet flexible, highly conductive, and nearly transparent. These properties give graphene potential applications in areas like integrated circuits, water purification, gas sensors, transistors, solar cells, and flexible displays. However, widespread use of graphene is limited by challenges in production costs, quality control, and the lack of a bandgap.
This document discusses nonlinear optics and summarizes key topics covered:
- It describes the difference between linear and nonlinear optics, where linear optics involves weak light that is unchanged and nonlinear optics involves intense light that can induce effects and be manipulated.
- Nonlinear optics allows changing light properties like color and shape, and has applications in telecommunications and creating ultrashort events.
- Phenomena like sum and difference frequency generation are examples of second-order nonlinear optical effects. Phase matching is important for efficient nonlinear optical processes.
- Applications of nonlinear optics include optical phase conjugation, optical parametric oscillators, optical computing, optical switching, and optical data storage.
This document discusses spinels and inverse spinels, which are metal oxides with general formulas of AB2X4 and (BIII)tet(AIIBIII)octX4 respectively. Spinels have a normal cubic close-packed structure with B3+ ions occupying half the octahedral holes and A2+ ions occupying one-eighth of the tetrahedral holes. Examples include MgAl2O4 and Mn3O4. Inverse spinels have an alternate arrangement with A2+ ions occupying the octahedral voids and half of B3+ ions occupying the tetrahedral voids. The document also discusses perovskites, which have the general formula ABX3 and examples include barium
Neutron diffraction uses neutron scattering to determine the atomic and magnetic structure of materials. Neutrons interact with atomic nuclei through nuclear forces and with magnetic moments through their own magnetic moment. This allows neutron diffraction to probe both atomic structure and magnetic structure. It has advantages over x-ray diffraction as neutrons can penetrate bulk samples and are sensitive to lighter elements. Neutron diffraction is widely used to study crystal and magnetic structures.
Ferromagnetic materials have three main characteristics:
1) They become spontaneously magnetized in the absence of an external magnetic field due to parallel alignment of magnetic moments.
2) They have a magnetic ordering temperature called the Curie temperature, above which they become paramagnetic.
3) They are used in many devices like transformers, electromagnets, and computer hard drives due to their magnetic properties.
This document provides an overview of polymers including their definition, history, types, nomenclature, molecular structure, and polymerization mechanisms. Key points include:
- Polymers are high molecular weight materials formed by combining many small monomer units through covalent bonds.
- They can be classified as addition or condensation polymers depending on their polymerization mechanism.
- Common polymerization mechanisms include free radical, cationic, anionic, and step-growth polymerization.
- Polymer properties depend on factors like molecular structure, morphology, and configuration.
Conducting polymers are those polymers which conduct electricity due to extended P- orbital system. Due to this extension of P orbital electrons can move from one end to another end of the polymer.
Graphene, the amazing two-dimensional carbon nanomaterial, has attracted extensive interest in recent years and emerged as the most intensively studied material [1]. In 2004, Geim and Nosovelov at Manchester University successfully isolated single layer graphene by the mechanical cleavage of graphite crystal [2]. This ‘‘thinnest’’ known material exhibits extraordinary electronic, chemical, mechanical, thermal and optical properties which bestowed graphene as a miracle material of the 21st Century. From applicative perspectives, graphene holds a great promise with the potential to be used as energy-storage materials, in nanoelectronics, in catalysis, biomedical, in polymer composites and many more.
CARBON NANOTUBES-TREATMENT AND FUNCTIONALIZATIONArjun K Gopi
Carbon nanotubes are fullerene-related structures consisting of graphene cylinders closed at either end with pentagonal rings. There are two main types: single-walled nanotubes (SWNTs), which have diameters around 1 nanometer, and multi-walled nanotubes (MWNTs) made of multiple concentric graphene cylinders. Functionalization of carbon nanotubes is important for applications and can occur through non-covalent interactions like wrapping of surfactants or polymers or through covalent bonding by attaching molecules to existing defects or through reactions to functionalize the graphene sidewalls. The document discusses different methods of non-covalent and covalent functionalization of carbon nanotubes.
PPT on "Functionalization of Nanoparticles and Nanoplatelets" by Deepak rawalDeepak Rawal
Presentation on Functionalization of nanoparticles, magnetic nanoparticles, chemical funtionalization, funtionalization of carbon nanotubes and their applications. Introduction about graphite nanoplatelets.
This document summarizes recent experiments and theoretical work on the optical properties of hexagonal boron nitride (hBN). Key findings include:
1) Ellipsometry using synchrotron radiation determined hBN's dielectric constant up to 25 eV and found it transparent in the ultraviolet C range lethal to coronaviruses.
2) Theoretical calculations of hBN's bandgap, electron-phonon coupling, excitons, and phonon dispersion were in good agreement with experimental values.
3) High-pressure reflectance spectroscopy and theoretical calculations showed that pressure tunes hBN's direct and indirect excitonic transitions by shifting their energies.
The document discusses various photooxidation and photoreduction reactions in organic synthesis. It begins by introducing photochemistry and defining related terms. It then provides examples of photoreduction of ketones and aromatic hydrocarbons. Examples of photooxidation reactions include the conversion of trans-stilbene to phenanthrene and the synthesis of benzoic acids via aerobic photooxidation. The document also describes the mechanism and advantages of using a CdIn2S4 photocatalyst for selective photosynthesis of organic aromatic compounds under visible light.
Photolysis is a chemical process where molecules are broken down by light absorption. Flash photolysis is commonly used to study short-lived intermediates in photochemical reactions, employing a photolysis flash to initiate reactions followed by a monitoring flash to measure absorption spectra. To study processes in the nanosecond time range, lasers can be used to generate photolysis pulses less than 20 nanoseconds, allowing observation of excited singlet state lifetimes and other fast reactions. Laser flash photolysis systems employ a laser pulse to synchronize a photolysis spark and provide pulses to initiate reactions and monitor absorption on nanosecond timescales, enabling identification of transient intermediates and insight into fast reaction mechanisms.
Flash photolysis and Shock tube method PRUTHVIRAJ K
In 1967 the Nobel prize in chemistry was awarded to Manfred Eigen, Ronald George Wreyford Norrish for their co-discovery of Flash photolysis in 1949.
Flash photolysis is used to extensively to study reactions that happen extremely quickly, even down to the femtosecond depending on the laser that is used. The technique was born out of cameras developed during and shorty after WWII, which were used to take pictures of fast moving planes, rockets and Missiles.
Since then the technology of laser and optics has progressed allowing faster and faster reactions to be studied.
This document discusses theories of heat capacity in solids. It begins by describing Dulong and Petit's 1819 observation that the heat capacity of solids is approximately 3R. Einstein's theory from 1907 treated solids as assemblies of independent oscillators, predicting the heat capacity approaches 3R only at very high temperatures. Debye's 1912 theory improved on this by treating solids as continuous elastic mediums with phonon vibrational waves, removing the restriction of single oscillator frequencies. The document provides equations for calculating heat capacity based on Einstein's and Debye's models, and notes Debye temperature is important in determining when the heat capacity approaches the classical Dulong-Petit limit.
more chemistry contents are available
1. pdf file on Termmate: https://www.termmate.com/rabia.aziz
2. YouTube: https://www.youtube.com/channel/UCKxWnNdskGHnZFS0h1QRTEA
3. Facebook: https://web.facebook.com/Chemist.Rabia.Aziz/
4. Blogger: https://chemistry-academy.blogspot.com/
photo redox reactions
A solvent is a liquid that dissolves a solute, forming a solution. The key properties that determine whether a substance will dissolve in a solvent are polarity - polar solvents dissolve polar solutes and nonpolar solvents dissolve nonpolar solutes. Common solvents include water, alcohols, acetone, oils, and organic compounds. Molecular sieves are used to dry solvents by adsorbing water and other impurities. The size of the sieve pores determines what compounds it can adsorb most effectively.
The document provides information on protein crystallization, including what is needed to crystallize a protein, how to improve crystallization chances, the theory behind crystallization setups and conditions, evaluating crystallization screens, and obtaining and analyzing protein crystals. The key aspects are having a pure and concentrated protein, screening a variety of conditions to find initial "hits", and optimizing these conditions through small changes to precipitants and additives to obtain high-quality crystals.
This document discusses several techniques for purifying organic compounds and determining their composition:
1) Crystallization separates impurities from a compound by dissolving it in a hot solvent and cooling to form pure crystals.
2) Sublimation separates compounds that sublime from non-subliming impurities by direct transition from solid to gas.
3) Chromatography separates mixtures based on differences in compounds' interactions with a stationary and mobile phase.
This document discusses different types of distillation processes including simple distillation and fractional distillation. Simple distillation involves a single vaporization and condensation cycle that produces an impure distillate. Fractional distillation uses a fractionating column containing packing materials between the distillation flask and head. This allows for multiple vaporization and condensation cycles, improving separation of components in the mixture. The document describes components of distillation columns like trays, packings, reboilers and condensers and how they facilitate fractional distillation.
Distillation is a process that separates liquid mixtures into individual fractions based on differences in boiling points. It works by heating the mixture to vaporize components with lower boiling points. There are two main types of distillation columns - batch columns which process feed intermittently, and continuous columns which process a steady stream of feed. Distillation columns contain internals like trays or packings to enhance separation, a reboiler for vaporization, a condenser to cool vapors, and a reflux drum to collect condensed liquids and provide reflux. Separation occurs due to differences in vapor pressure and relative volatility between components in the mixture.
This document provides an introduction to distillation, including:
1) Defining distillation and describing how it separates mixtures based on differences in boiling points.
2) Outlining the main components of distillation columns, including trays/plates, reboilers, condensers, and reflux drums.
3) Explaining the basic operation of distillation columns, including how vapors and liquids flow internally and how feeds, products, and reflux streams flow externally.
4) Describing common types of trays/plates used in distillation columns, including bubble cap, valve, and sieve trays, and how they enhance vapor-liquid contacting.
1) Distillation is a method used to separate components of a liquid solution based on differences in how the components distribute between the vapor and liquid phases when heated to their boiling points.
2) Raoult's law describes vapor-liquid equilibrium for ideal solutions, relating the partial pressure of a component in vapor phase to its mole fraction in the liquid phase. Boiling point diagrams can be constructed using vapor pressure data.
3) Equilibrium or flash distillation involves heating a liquid mixture to partially vaporize it in a single stage, separating the vapor and liquid which approach equilibrium compositions.
This document discusses crystallization, including its definition, importance, applications, theory, and types of crystallizers. Crystallization is the process where solid crystals form from a solution, melt, or gas. It is important for purifying and developing drugs to improve properties like stability, dissolution rate, and bioavailability. Crystallization is widely used in pharmaceutical manufacturing for purification, improved processing and physical stability, sustained release, and preparing active pharmaceutical ingredients with high yields. The major stages of crystallization are supersaturation of the solution, nucleation of crystal clusters and embryos, and crystal growth. Draft tube baffle and forced circulation crystallizers are described for their crystallization techniques.
This document summarizes various distillation techniques including differential distillation, flash vaporization, continuous rectification, and determining the ideal number of plates. It discusses mass balances, operating lines, reflux ratios, and how changing the number of plates and reflux ratio influences distillation column design and performance. Key aspects covered include equilibrium relationships, material flowing between plates, determining flow rates, and using diagrams to analyze fractionation.
Distillation is a process that separates mixtures into individual components based on differences in their boiling points. It works by heating the mixture to vaporize components with lower boiling points, which are then cooled and condensed.
The key principles are that vapor pressure increases with temperature, allowing the lower boiling components to vaporize first. According to Raoult's law, the vapor produced will be enriched in the more volatile components compared to the liquid mixture.
There are several types of distillation including simple, fractional, vacuum, and azeotropic distillation. Simple distillation is used when components have very different boiling points while fractional distillation with multiple stages is needed for similar boiling points. Vacuum distillation lowers the
This document discusses various techniques for purifying solid and liquid organic compounds. The common methods for purifying solids include crystallization, recrystallization, sublimation, and use of drying agents. Liquid organic compounds can be purified through distillation techniques like simple distillation, fractional distillation, and vacuum distillation. Other techniques mentioned are extraction, chromatography, and checking criteria like melting point and boiling point to confirm purity.
Provides general information on Labconco's Precise Basic, Controlled Atmosphere and HEPA-Filtered Glove Boxes and XPert Weigh Box Glove Boxes. Answers basic questions and discusses the features and benefits of Precise Glove Boxes. Also addresses accessories available and market applications for Precise Glove Boxes.
Vacuum drying is a process that removes moisture from materials like foods, pharmaceuticals, and textiles by reducing chamber pressure below the vapor pressure of water, causing it to boil and evaporate faster than at ambient pressure. This document describes a vacuum drying chamber that uses stainless steel construction, a vacuum gauge, valves, and silicone gasket and hose. It provides specifications for chamber sizes ranging from 1.7 to 27 gallons and custom sizes can be manufactured.
The document describes several models of anaerobic chambers from Bactron, ranging from the smallest BactronEZ model with a 300 plate capacity to the largest Bactron900 which has a 900 plate total capacity between its main chamber and rear wall incubator. Each model provides an oxygen-free environment for culturing anaerobes and other microorganisms safely without using gas packs or vacuum jars. The chambers feature patented arm sleeves that allow for gloveless sample handling within the chamber.
Laxmi Instruments was established in 2003 and manufactures chromatography instruments, lab furniture, fume hoods, biosafety cabinets, glove boxes, and other lab equipment. It also provides turnkey lab setup services, including architectural, civil, electrical, and instrumentation work. The company's products include lab furniture, cleanrooms, high pressure gas handling systems, gas purification panels, BOD incubators, heating mantles, muffle furnaces, and more. Laxmi Instruments aims to provide high quality products and services to its customers.
This document provides information on various breathing filters, heat and moisture exchanging filters (HMEFs), and heat and moisture exchangers from Intersurgical. It lists specific products, their key specifications, and intended uses in intensive care and anesthesia. Product lines include Filta-Guard, Clear-Guard, Hydro-Guard, Inter-Guard, Filta-Therm, and Clear-Therm. Specifications provided for each item include bacterial/viral filtration efficiency, resistance to airflow, compressible volume, weight, and minimum tidal volume.
This document describes various components and types of breathing circuits used in anesthesia. It discusses the basic principles of delivering oxygen/gases and eliminating carbon dioxide. The key components described include the reservoir bag, breathing tubes, adjustable pressure limiting valve, and filters. Circuits are classified based on gas flow and include open, semi-open, closed, and semi-closed types. Specific circuits discussed in detail include the Mapleson A-F circuits, Bain's circuit, and the circle breathing system. Advantages and disadvantages of each system are provided.
The document discusses bag filters, which are air pollution control devices that use fabric filter bags to remove particulate matter from gas streams. It provides information on the basic concepts and components of bag filters, including how dust particles are collected on the surface of the filter bags and then dislodged by pulses of compressed air or other cleaning methods. It also discusses factors to consider when selecting a bag filter system and types of bag filter cleaning methods.
Anesthestic Breathing Systems by Dr. Mohammad abdeljawad Mohammad Abdeljawad
The document discusses various types of anesthetic breathing systems and Mapleson circuits. It provides properties of an ideal breathing system and classifies systems as rebreathing systems with CO2 absorption, non-rebreathing systems, and systems without a gas reservoir. Details are given on components of Mapleson circuits like breathing tubes, the fresh gas inlet, adjustable pressure-limiting valve, and reservoir bag. The mechanisms and efficiencies of different Mapleson circuits (A, B, C, D, E, F) are explained. High fresh gas flows are required to reduce CO2 rebreathing without valves or an absorber.
This document discusses the importance of instrument air quality for automation plant control systems. It describes how instrument air is used to operate pneumatic valves, pumps and other devices to keep the plant running properly. The key parameters for instrument air quality are dew point, oil content, particulates and temperature. It then examines different methods for drying instrument air including chemical drying, refrigeration and adsorption. Adsorption is identified as the most common method used, and it details how adsorption driers work using desiccants like activated alumina, silica gel and molecular sieves. The document presents the objectives and plan to design an air drier package to meet industrial specifications for instrument air quality in a plant.
Vacuum systems utilize pumps, tubing, valves, and gauges to create and maintain low-pressure environments for applications like thin film deposition and material characterization. Key components of vacuum systems include rotary vane pumps for roughing and diffusion pumps for high vacuums. Different types of pumps like turbomolecular pumps are suitable for various vacuum ranges. Critical elements also involve monitoring the vacuum environment using direct capacitance manometers and indirect thermal conductivity gauges, as well as analyzing residual gases. Overall, vacuum technology is important for industrial processes requiring precise control of low-pressure conditions.
This document summarizes different types of anesthetic equipment used in veterinary medicine, including endotracheal tubes, anesthetic machines, breathing circuits, and their components and functions. It discusses the purpose and properties of endotracheal tubes, vaporizers and their role in delivering anesthetic agents, and how breathing circuits carry gases to and from the patient using rebreathing or non-rebreathing systems. Key factors that influence the function of vaporizers and the choice of breathing circuit are also outlined.
The document provides information about Esco Cleanroom Air Showers, specifically model EAS-2C_. It includes details about the product's standards compliance, main features, filtration system, operating sequences, specifications for model EAS-2C_, and modes of shipment. The air shower uses HEPA filtration and high velocity air jets to remove particulate matter from personnel and materials entering or exiting a cleanroom or controlled environment.
Geotech is a global leader in environmental technology and products since 1978. It operates from headquarters in Denver and offices in the US and Barcelona. Geotech provides equipment and training for environmental remediation of free phase, dissolved phase, and vapor phase contaminants. This includes passive and electric skimmers, pumps, air strippers, separators, and soil vapor extraction and air sparge systems. Geotech also offers control panels and carbon vessels for liquid and vapor phase treatment.
The document describes different types of fermenters used in bioprocessing, including stirred tank, airlift, and tower fermenters. Key components of fermenters include agitation systems to mix and oxygenate the culture, as well as systems to control temperature, pH, foam, and sterilization. Fermenters are made of glass or stainless steel and include features like spargers, impellers, and probes to monitor conditions for microbial growth and product formation. Larger fermenters are often used in two-stage configurations that allow cultures to be transferred between vessels with different temperature or process conditions.
The document discusses the components and functions of an anesthesia machine. An anesthesia machine provides medical gases like oxygen and nitrous oxide mixed with anesthetic vapors to patients. It has several key components including pressure regulators, vaporizers, reservoirs, carbon dioxide absorbers, adjustable pressure limiting valves, ventilators, and scavenging systems. The machine precisely delivers gas mixtures to maintain anesthesia and ventilation. It is designed with three pressure systems - high, intermediate, and low - to safely regulate gas delivery.
Körting Hannover AG is a leading manufacturer of multi-stage steam jet vacuum systems that can achieve vacuums up to 10-1 mbar. These systems use steam jet ejectors in multiple stages with intermediate condensers to compress gases. Körting has been developing these systems since 1871 and their in-house testing and measurements allow them to optimize designs to minimize steam usage down to waste steam levels below 1 bar while achieving high condensing ratios up to 16:1.
This document discusses multi-stage steam jet vacuum systems. It provides information on:
1. Körting Hannover AG, which leads the world in designing and manufacturing multi-stage steam-jet vacuum systems, with over 145 years of experience developing technical vacuum applications.
2. The design of Körting steam jet vacuum ejectors is based on extensive testing, as there are no theoretical calculation methods. This testing provides a foundation for pushing designs to their limits.
3. Multi-stage steam jet vacuum systems offer advantages like having no moving parts, requiring minimal maintenance, and being hermetically sealed and presenting no ignition sources.
This document summarizes the Banthrax Posi-Dome I-Box DE enclosure. It is designed for controlled atmosphere processing in laboratories or shops. It provides workplace isolation and specimen protection in a compact workstation using gas displacement rather than high vacuum purge to maintain atmospheres with oxygen and water at low percentages. Key specifications include internal dimensions of 59 cm x 44 cm x 46 cm, a HEPA filter, electric pump, and indicators like a bubble gauge and bellows to allow users to monitor pressure without sensors or calibration.
The document describes an air shower that is used to provide a contamination-free working environment. It has HEPA filters that remove 99.99% of particles 0.3 microns or larger. The air shower uses high-efficiency motors and blowers to direct filtered air through nozzles to remove particles from persons and clothing. It has programmable controls and indicators to monitor operation and ensure sterile conditions are maintained.
Personnel de-dusting system, developed by Mideco under NIOSH design as an additional tool to prevent occupational dust related diseases like silicosis and "black lung".
Similar to Protector Glove Box Overview Presentation (20)
1) Properly sizing a blower for a fume hood involves considering factors like chemical resistance, airflow needs, static pressure, and duct configuration.
2) Key steps in the blower selection process include determining fume hood requirements, detailing the duct run layout, calculating equivalent duct length and static pressure loss, applying correction factors, and selecting a blower that can provide the required airflow against the total static pressure.
3) Remote blowers are most common and offer advantages like quieter operation and ability to size for long duct runs, while built-in blowers are simpler but noisier. Material options for remote blowers include coated steel, fiberglass, and PVC depending on the corrosiveness
The document discusses point-of-use glassware washers, including their specifications and features that are important for laboratory users. It compares manual cleaning to machine washing and outlines factors to consider when selecting a washer such as glassware type, soil levels, drying requirements, and optional accessories. Point-of-use glassware washers with hot water, pure water rinses, and forced air drying are recommended for reproducible cleaning of laboratory glassware.
- The document discusses Paramount® Ductless Enclosures, which are self-contained work stations that use carbon filters to protect operators from harmful vapors without requiring ductwork. They utilize energy-efficient motors and patented containment features.
- Carbon filters use granulated coal carbon or coconut shell carbon to chemically adsorb vaporous/gaseous contaminants. Properties like molecular weight and vapor pressure affect filtration efficiency.
- The enclosures have a digital control center with vapor sensor and airflow monitor to maintain safety. Stackable filters accommodate different chemicals. Construction is chemically resistant and durable.
Purifier Logic Class II Biological Safety Cabinets PresentationLabconco Corporation
This document provides information about the Purifier® Logic® Class II Biological Safety Cabinet. It includes:
1) An overview of the cabinet's features such as its LED display, stainless steel construction, ergonomic design, and energy efficient motor.
2) Descriptions of the cabinet's operation and how its electronically commutated motor provides constant airflow and filter life monitoring.
3) Details on the cabinet's certifications and various accessory options like base stands, UV lights, and storage carts.
The document aims to educate users on the key specifications and benefits of the Purifier® Logic® Class II Biological Safety Cabinet.
The document describes Labconco's WaterPro water purification systems. It discusses different types of water contaminants and levels of purity. The WaterPro systems include reverse osmosis stations and polishing stations. The polishing stations can produce Type I water and are suitable for analytical instruments and life sciences. The document outlines the purification technologies and features of the different models. These include carbon filtration, deionization, ultrafiltration, and UV treatment. Accessories like storage tanks and stands are also mentioned. Customers can request a free water quality analysis from Labconco.
Integrating Ayurveda into Parkinson’s Management: A Holistic ApproachAyurveda ForAll
Explore the benefits of combining Ayurveda with conventional Parkinson's treatments. Learn how a holistic approach can manage symptoms, enhance well-being, and balance body energies. Discover the steps to safely integrate Ayurvedic practices into your Parkinson’s care plan, including expert guidance on diet, herbal remedies, and lifestyle modifications.
Travel vaccination in Manchester offers comprehensive immunization services for individuals planning international trips. Expert healthcare providers administer vaccines tailored to your destination, ensuring you stay protected against various diseases. Conveniently located clinics and flexible appointment options make it easy to get the necessary shots before your journey. Stay healthy and travel with confidence by getting vaccinated in Manchester. Visit us: www.nxhealthcare.co.uk
One health condition that is becoming more common day by day is diabetes.
According to research conducted by the National Family Health Survey of India, diabetic cases show a projection which might increase to 10.4% by 2030.
Our backs are like superheroes, holding us up and helping us move around. But sometimes, even superheroes can get hurt. That’s where slip discs come in.
Local Advanced Lung Cancer: Artificial Intelligence, Synergetics, Complex Sys...Oleg Kshivets
Overall life span (LS) was 1671.7±1721.6 days and cumulative 5YS reached 62.4%, 10 years – 50.4%, 20 years – 44.6%. 94 LCP lived more than 5 years without cancer (LS=2958.6±1723.6 days), 22 – more than 10 years (LS=5571±1841.8 days). 67 LCP died because of LC (LS=471.9±344 days). AT significantly improved 5YS (68% vs. 53.7%) (P=0.028 by log-rank test). Cox modeling displayed that 5YS of LCP significantly depended on: N0-N12, T3-4, blood cell circuit, cell ratio factors (ratio between cancer cells-CC and blood cells subpopulations), LC cell dynamics, recalcification time, heparin tolerance, prothrombin index, protein, AT, procedure type (P=0.000-0.031). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and N0-12 (rank=1), thrombocytes/CC (rank=2), segmented neutrophils/CC (3), eosinophils/CC (4), erythrocytes/CC (5), healthy cells/CC (6), lymphocytes/CC (7), stick neutrophils/CC (8), leucocytes/CC (9), monocytes/CC (10). Correct prediction of 5YS was 100% by neural networks computing (error=0.000; area under ROC curve=1.0).
These lecture slides, by Dr Sidra Arshad, offer a quick overview of the physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar lead (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
6. Describe the flow of current around the heart during the cardiac cycle
7. Discuss the placement and polarity of the leads of electrocardiograph
8. Describe the normal electrocardiograms recorded from the limb leads and explain the physiological basis of the different records that are obtained
9. Define mean electrical vector (axis) of the heart and give the normal range
10. Define the mean QRS vector
11. Describe the axes of leads (hexagonal reference system)
12. Comprehend the vectorial analysis of the normal ECG
13. Determine the mean electrical axis of the ventricular QRS and appreciate the mean axis deviation
14. Explain the concepts of current of injury, J point, and their significance
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. Chapter 3, Cardiology Explained, https://www.ncbi.nlm.nih.gov/books/NBK2214/
7. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
2. COPYRIGHT NOTICE
The material included in this presentation is
copyright of Labconco Corporation.
Reproduction or use of the slides is not
permitted without express permission from
Labconco Corporation.
3. Glove Boxes, An Overview
The purpose of a glove box is to
provide a physical barrier.
Depending on the type of glove box,
the physical barrier may be:
Isolating a sensitive material from
outside environmental
contamination.
Protecting the operator from
hazardous materials.
4. What is a Glove Box?
A sealed enclosure where all
handling is through glove ports.
Used for personnel and/or product
protection.
5. Selecting the right type of Glove Box
Choose the Controlled Atmosphere
Glove Box when an inert atmosphere is
needed.
Choose the Multi-Hazard Glove Box
when a ventilated, particulate-free
atmosphere and filtered exhaust is needed.
6. Protector® Controlled Atmosphere Glove Box
Maintains an inert atmosphere,
i.e. nitrogen or argon.
Protects air-sensitive materials,
i.e. inorganics, organics,
organometallics and
biochemicals.
Protects materials from oxygen
and moisture contamination.
7. Controlled Atmosphere Glove Box
Transfer Chamber
Allows quick and easy material
transfer to and from main
chamber.
Achieves deep vacuum level of
-29" Hg.
30" of mercury is considered absolute vacuum
8. Controlled Atmosphere Glove Box
Main Chamber
Allows easy manipulation of
materials inside a sealed
chamber using gloves.
Operates within a positive or
negative pressure range of -6
to +6 inches of water.
Inches of water is a much smaller
pressure measurement than inches of
mercury. 1" H2O = 0.073" Hg
9. Controlled Atmosphere Glove Box
Operation Basics
The Main Chamber and Transfer Chamber are connected to an inert compressed
gas source and vacuum pump with dedicated tubing.
Plumbing lines allow chambers to be evacuated, then filled with pure gas.
By manipulating the gas pressures inside
the chambers, oxygen and/or moisture
contaminants are replaced with a pure gas
atmosphere.
Glove Box Inlet Connection
Glove Box Outlet Connection
Transfer Chamber Inlet Connection
Transfer Chamber Outlet Connection
10. Controlled Atmosphere Glove Box
Control Features
Manual Valves for Models 5060000 and 5061000. Four
manual valves control chamber pressures. These valves
control evacuation and gas filling operations.
11. Controlled Atmosphere Glove Box
Main Chamber Electronic Controls
LED Display for models 5070000 and 5070100
Alarm indicates
when main chamber
pressure exceeds
safe limits.
Switches keep main chamber
pressure between set points.
12. Controlled Atmosphere Glove Box
Main Chamber Electronic Controls
For models 5070000 and 5070100
Pressure controlled foot
pedal and pressure override
switches allow user to
increase or decrease
operating pressure.
13. Controlled Atmosphere Glove Box
Transfer Chamber Indicates the number of evacuation and fill
Electronic Controls cycles selected and completed
For models 5080000
and 5080100
Selects number of cycles
Manual evacuation
and fill switches
Cycle start and cancel Vacuum level switch Gas Source switch (selects
switches selects level of vacuum source of fill gas)
for each cycle
14. Controlled Atmosphere Glove Box
AtmosPure Regenerative
Drying Train Option
Factory installed.
Includes gas purifier column, blower
and electronic regeneration panel.
Reduces water contamination to
5 ppm, and oxygen to 1 ppm.
Continuous operation removes
oxygen and moisture from the glove
box atmosphere by re-circulating it
through the train.
Close-up of
AtmosPure Drying Train
15. Controlled Atmosphere Glove Box
Standard Features
One piece, molded
30-watt fluorescent
fiberglass or stainless
steel liner lamp
Laminated safety glass One exterior 3-wire
angled 10 degrees electrical receptacle
Large transfer
One-piece, molded chamber
neoprene window gasket
Control switches and
pressure gauges
8" diameter glove ports
Inner and outer
Two interior electrical transfer chamber
receptacles doors
Four manual valves
Easy access circuit 30" Neoprene Gloves included for gas inlet and
breakers outlet control
16. Controlled Atmosphere Glove Box
Standard Features
All Protector Controlled Atmosphere Glove
Boxes are factory tested with a helium mass
spectrometer while pressurized with helium at
5" water gauge. No leaks > 1x10-6 cc/sec or
31cc/year.
Large viewing window is
removable for loading
bulky apparatus.
Pressure relief “bubbler”
manometer prevents
glove box damage from
extreme high or low
pressures.
17. Controlled Atmosphere Glove Box
Bubbler/Manometer Basics
Bubbler included with Controlled
Atmosphere Glove Box.
Bubbler prevents over or under pressure
extremes inside the main chamber.
maximum pressurization is + or -6" H2O
U-tube is filled with vacuum pump oil,
which moves within the column
releasing excess pressure to prevent
glove box damage.
18. Controlled Atmosphere Glove Box
Accessories
Interior Port Cover
Exterior Port Cover
Drying Train
Fixed and Mobile Base Stands
19. Controlled Atmosphere Glove Box
Accessories
Interior Shelves
Seamless Neoprene, Butyl, and
Hypalon Gloves available in two
sizes
Rotary Vane
Vacuum Pumps
20. Controlled Atmosphere Glove Box
Accessories
Optional Sliding Transfer Tray
for loading materials into the
glove box
Optional Mini Transfer Chamber
for left side
21. Controlled Atmosphere Glove Box
Market Applications
Hydrophilic chemicals.
Organometallics.
Alternate energy cells, i.e. lithium
batteries
Metabolic research
Oxygen- or moisture-sensitive
compounds, i.e. sodium
Electronic components.
22. Glove Boxes can be Super Sized!
Double Controlled Atmosphere Glove Boxes
Greater working area.
Control system costs do
not double.
Available in stainless steel.
23. Protector® Multi-Hazard Glove Box
Provides a physical barrier to protect
operator from exposure to potentially
dangerous particulates.
Inlet air is HEPA* filtered providing a
Class 100 environment.
Air exiting the box is HEPA filtered to
remove particulates.
Adjustable air flow volumes from
0-60 cfm.
*High efficiency particulate air
24. Multi-Hazard Glove Box
HEPA Filters
(High Efficiency Particulate Air)
Disposable filter of boron silicate
microfibers cast into a thin sheet.
Media is folded to maximize its Filter frame
surface area. Sometimes aluminum
separators are used between the folds.
Retains airborne particles and
microorganisms, but gases pass freely
through filter.
Continuous sheet of Filter Medium
25. Multi-Hazard Glove Box
Air Filtration System
Prefilter
HEPA intake filter
Primary exhaust
HEPA filter
Optional secondary
exhaust filter (HEPA
or Carbon)
Blower
26. Multi-Hazard Glove Box
Standard Features
One-piece, molded Inlet and outlet HEPA filters Built-in blower
fiberglass or stainless
steel liner
Pressure
differential gauge
Laminated safety glass
angled 10 degrees Large transfer
chamber
One-piece, molded Control switches
neoprene gasket
Inner and outer
8” diameter glove ports transfer chamber
doors
Two interior electrical
receptacles
Blower speed
knob
30" long Neoprene
Gloves included
28. Multi-Hazard Glove Box
Accessories
Interior Glove Port Cover Base Stand
Exterior Glove Port Cover
Mobile Base Stand
29. Multi-Hazard Glove Box
Applications
Chemical and biochemical
research involving:
Non-biohazardous microorganisms.
Chemical powders, drugs, proteins
and enzymes.
Asbestos; Carcinogenic materials.
Crime scene evidence.
Low level radioactive materials.
30. Multi-Hazard Glove Box or
Class II Safety Cabinet?
Multi-Hazard Glove
Boxes are designed to
contain toxic
particulates, but not
biohazardous
microorganisms.
Biological Safety
Cabinets are designed
to contain biohazards,
such as bacteria and
viruses.
31. Multi-Hazard Glove Box
versus Class III Biosafety Cabinet
Room Air HEPA- Unfiltered
The Multi-Hazard Glove Box is designed to filtered Air Air
contain toxic, but not biohazardous,
particulate contaminants.
Transfer chamber does not sterilize material
coming out of the glove box.
Class III Biosafety Cabinet has a double door
autoclave transfer chamber to sterilize all
material being removed.
Only sterilization ensures the destruction of
all biohazard sources.
Class III Cabinet Airflow
32. Protector® Combination Glove Box
Handles both atmosphere-
sensitive materials or hazardous
materials.
Converts quickly from controlled
atmosphere function to vented
hazardous material operation.
33. Protector® Combination Glove Box
Closing two internal valves converts
the box to a leak-tight glove box ready
for controlled atmosphere procedures.
Opening the internal valves allows the
integral blower to pull room air
through inlet and exhaust HEPA filters.
34. User Group
The American Glove Box Society is a not-for-profit
organization whose members are glove box users.
AGS has developed guidelines for glove box construction.
These guidelines recommend specific design and
construction features for glove boxes.
ags@gloveboxsociety.org
35. Labconco Corporation
8811 Prospect Ave.
Kansas City, MO 64132
1-800-821-5525
816-333-8811
www.labconco.com