The document discusses different types of titrations including acid-base, oxidation-reduction, complex formation, and precipitation reactions. It defines key terms like indicator, equivalence point, and endpoint. Examples are provided for calculating concentration using titration data from reactions like acid-base titrations for chloride in urine and carbon monoxide determination. Steps are outlined for the Kjeldahl method to determine nitrogen content through acid digestion and titration.
Volumetric Analysis
Types of titration
Acid- Base Theory
Reaction, End Point & Indicators
Acid- Base titration
Titration curve
Non- Aqueous Titration
Precipitation Titration
Complexometric Titration
Oxidation- Reduction Titration,
Calculation. Errors
General Informations,
Volumetric analysis is a quantitative analytical method which is used widely. As the name suggests, this method involves measurement of the volume of a solution whose concentration is known and applied to determine the concentration of the analyte.
Titration - principle, working and applicationSaloni Shroff
A brief introduction to the titration technique used to know the concentration of unknown solutions. different types, indicators used and its application in foods and nutrition is also described.
Volumetric Analysis
Types of titration
Acid- Base Theory
Reaction, End Point & Indicators
Acid- Base titration
Titration curve
Non- Aqueous Titration
Precipitation Titration
Complexometric Titration
Oxidation- Reduction Titration,
Calculation. Errors
General Informations,
Volumetric analysis is a quantitative analytical method which is used widely. As the name suggests, this method involves measurement of the volume of a solution whose concentration is known and applied to determine the concentration of the analyte.
Titration - principle, working and applicationSaloni Shroff
A brief introduction to the titration technique used to know the concentration of unknown solutions. different types, indicators used and its application in foods and nutrition is also described.
Titrimetric analysis is a method of analysis in which a solution of the substance being determined is treated with a solution of a suitable reagent of exactly known concentration. The reagent is added to the substance until the amount added is equivalent to the amount of substance to be determined.
Titration is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another solution of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change.
Analytical Chemistry & Role in pharmaceutical industry
Different techniques of analysis
Significant Figures
Errors - Types & Minimization
Calibration of glasswares - pipette, burette & Volumetric flask
Discusses the chemical of slightly soluble compounds. Ksp and factors affecting solubility are included as well as solved problems.
**More good stuff available at:
www.wsautter.com
and
http://www.youtube.com/results?search_query=wnsautter&aq=f
This is useful to the chemical analysis persons. Tittration is one of the basic and standard method for quantitative chemical analysis. This describs the principles of titration, function of indicators, calculation of errors etc.
Titrimetric analysis is a method of analysis in which a solution of the substance being determined is treated with a solution of a suitable reagent of exactly known concentration. The reagent is added to the substance until the amount added is equivalent to the amount of substance to be determined.
Titration is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another solution of unknown concentration until the reaction reaches neutralization, which is often indicated by a color change.
Analytical Chemistry & Role in pharmaceutical industry
Different techniques of analysis
Significant Figures
Errors - Types & Minimization
Calibration of glasswares - pipette, burette & Volumetric flask
Discusses the chemical of slightly soluble compounds. Ksp and factors affecting solubility are included as well as solved problems.
**More good stuff available at:
www.wsautter.com
and
http://www.youtube.com/results?search_query=wnsautter&aq=f
This is useful to the chemical analysis persons. Tittration is one of the basic and standard method for quantitative chemical analysis. This describs the principles of titration, function of indicators, calculation of errors etc.
Qualitative analysis of group 4 cationsJessa Arino
The Group IV cations are Ba2+, Sr2+, Ca2+.
These metals form chlorides, sulfides and hydroxides that are soluble under that prevail in the precipitations of Group I, II, and III.
Solution Stoichiometry: Reacting Volumes
Solution stoichiometry involves calculation of the volume of one solution required to react with another solution.
Solution stoichiometry uses the definition molarity to determine volumes of reagents needed to perform the experiment.
This is a general presentation about Argentometric Titration or well known as Precipitation Titration. Contain Mohr Methods, Volhard Methods, and Fajans Methods.
Which titration technique is best fit to detect what type of analyte?Zubayar Rahman
The act of adding standard solution in small quantities to the test solution till the reaction is complete is termed titration.
The basis of this process is the reaction between the analyte and solution of known concentration(titrant).
The analyte is taken in a conical flask using a pipette and the standard solution of known concentration is taken in a calibrated burette.
Learning objectives
Introduction
Preparation of a standard solution used for redox titration
Oxidizing and reducing agents used in volumetric analysis
N/10 potassium permanganate preparation
N/10 potassium dichromate preparation
N/10 Iodine solution preparation
Examples of redox titrations
Conclusion
References
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Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
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Here is something new! In our next Connector Corner webinar, we will demonstrate how you can use a single workflow to:
Create a campaign using Mailchimp with merge tags/fields
Send an interactive Slack channel message (using buttons)
Have the message received by managers and peers along with a test email for review
But there’s more:
In a second workflow supporting the same use case, you’ll see:
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If the “Approve” button is clicked, a Jira/Zendesk ticket is created for the marketing design team
But—if the “Reject” button is pushed, colleagues will be alerted via Slack message
Join us to learn more about this new, human-in-the-loop capability, brought to you by Integration Service connectors.
And...
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Intro to titrations
1. Titrations: Introduction
Volumetric Analysis
Measure volume of a reagent
needed to react with an analyte
Volumetric Titration
Add Increments of a reagent to a
solution of an analyte until the
reaction is complete
Ideal: Rxn Complete; Rxn Rapid
Common Titrations
A. Acid-Base
B. Oxidation-Reduction
C. Complex Formation
D. Precipitation Reactions
2. Definitions
Indicator - Compd whose color changes
abruptly near the equiv pt
Equivalence Point - pt in the titration where the
quantity of titrant added is stoich. equiv to amt.
of analyte present.
End Point - Typically what is measured;
marked by sudden change in prop. of soln
Titration Error - diff btwn end pt & equiv pt
Back Titration - Add excess of titrant then
determine the amount excess
3. Example
5H2C2O4 + 2 MnO4
-
+ 6H+
10 CO2 + 2 Mn+2
+ 8H2O
analyte titrant
colorless purple
Equiv point
point when 2 mmol of MnO4
-
has been
added to 5 mmoles of H2C2O4
End point
detect by monitoring color of solution
better eyes, closer endpoint will be to equiv point
Back titration
add xs MnO4
-
, back titrate with another standard to
determine excess slow reactions, standard solutions
not stable.
4. What’s Needed
Solution of known composition
Primary standard
Standard Solution
Analytical Balance
Volumetric Flask
Accurately measure volume
Buret
Volumetric Pipet
5. Mercuric Nitrate was standardized by titrating a solution
containing 147.6 mg of NaCl. 28.06 mL of the Mercuric
Nitrate solution was required to reach the end point.
This solution was then used to titrate 2.000 mL of urine.
It took 22.83 mL to reach the endpoint.
Find the concentration of Cl- in Urine as mg/mL
Hg2+
+ 2 Cl-
= HgCl2
Titration Calculations
6.
7. The CO in a 20.3 L sample of gas was converted to CO2 by
passage over iodine pentoxide heat to 150 C.
I2O5 + 5CO = 5 CO2 + I2
The iodine distilled at this temperature was collected
in an absorber containing 8.25 mL of 0.01101 M Na2S2O3
I2 + 2S2O3
2-
= 2I-
+ S4O6
2-
The excess Na2S2O3 was back titrated with 2.16 mL
of a 0.00947 M I2 solution.
Calculate the number of mgs of CO per liter of sample
Titration Calculations
8.
9. Applications of Acid-Base Titrations
1. Determination of Nitrogen
Kjeldahl Analysis:
Important method to accurately
determine nitrogen in proteins and
other nitrogen containing
compounds
10. Steps
Digest the material in sulfuric acid
convert to NH4HSO4
Cool the solution and make it
alkali to convert to NH3 (gaseous)
Volatile ammonia distilled into
known volume of acid
Excess acid back titrated
11. A protein contains 16.2 wt% nitrogen. A 0.500 mL sample of
the protein solution was digested and the liberated NH3
distilled into 10.00 mL of a 0.02140 M HCl solution. The
unreacted HCl required 3.26 mL of a 0.0198 M NaOH.
Calculate the concentration (mg/mL) of protein
in the original sample.
Example