Spectrophotometric Standards
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  • Spectrophotometric and Optical Standards NIST Traceable
    • The UV and/or visible spectrophotometer is a widely used analytical tool based on a solution’s ability to absorb light.
    • This classic instrument is used for both qualitative and quantitative determinations from molecular identification and assays to colorimetric determination of specific ions. .
    • Procedures for using spectrophotometers have been developed in response to inspections by both quality assurance departments and by regulatory bodies.
    • Proof of instrument validation must be available to regulatory bodies upon request; therefore laboratories need to make sure that the instrument is within specification. .
  • The In-spec® line provides precise, ready to use standards for spectrophotometer verification that are both affordable and traceable. Because some applications require thinking that is outside the box, GFS also strives to work with customers to quickly formulate products that solve specific needs.
  • Benefits of Using In-Spec®
    • Accurate
    • NIST Traceable
    • Stable - a consistent suspension
    • Easy to use - No Mixing and no dilution required
    • Flexible - Use at multiple wavelengths specific to your current testing
    • Non-Toxic - No concerns over handling, liability, storage and disposal
  • Features and Benefits
    • Non-Toxic - No Disposal Fee, Easy Clean up, Green Alternative
    • Inexpensive - Won’t Break Budgets
    • Easy To Use - No Wasted Time, No Special Precautions, Simple “Just Pour”
    • Accurate - No User Variance from Dilutions, NIST Traceable
  • Features and Benefits
    • Live Technical Assistance - Help with Trouble Shooting, Application Support, Assistance for Method Development
    • Ability to Produce Custom Standards - Suited to Your SOP, Flexible, problem solver, Unique Applications, User Specific Applications, Creative Solutions
    • Data at Multiple Pathlengths and Wave Lengths - Used for a Broad Range of Instruments (200nm to 900nm)
    • Customizable
  • In-Spec UV Standards
    • Designed for use in the UV range of the spectrum.
    • 10 different stock solutions of varying concentrations so you can usually find a solution that is close to the values that you see from your samples.
    • If you need more exact values we can usually create a custom solution to your specifications.
  • In-Spec Visible Standards
    • The In-Spec® Visible Standards are designed for use in the visible range of the spectrum.
    • 6 different stock solutions of varying concentrations.
  • Stray Light Standards
    • Potassium Iodide
    • Sodium Iodide
    • Lithium Carbonate
    • Sodium Chloride
    • Potassium Chloride
    • Available sealed in a 10mm quartz cuvette or 60mL bottle.
    • Testing for stray light is a good indicator of the overall health of the spectrophotometer’s optics, grating, and deuterium lamp.
  • Custom Standards
    • GFS Chemicals has the ability to work with you to figure what exactly is needed for your application and whether we have a solution that will solve your problem.
    • As the manufacturer we have the ability to make standards to order and to do R&D to find a solution to fit your application.
  • Other Custom Standards:
    • Custom Concentrations of the UV and Visible Standards.
    • Custom Concentrations of the Dye Standards.
    • R & D capabilities to discover alternative solutions to fit your application.
  • Offering Three Wavelength Standards
    • To verify that your instrument’s wavelength scale is accurate.
    • They come sealed in a 10mm quartz cuvette, are certified for 4 years and recertification is available.
  • Holmium Oxide
    • The traditional wavelength check with 14 peaks between 241nm and 640nm.
  • Didymium Perchlorate
    • Offers 14 peaks between 298nm and 865nm.
    • It is a good option for those who are mainly checking in the Visible range and want to be able to check more points when compared to Holmium Oxide.
  • Samarium Oxide
    • Has 13 peaks between 235nm and 479nm.
    • Can check at a lower wavelength then what is available with Holmium Oxide.
  • GFS Catalog Operations
    • 70,000 Sq Ft. Operation, Manufacturing and Distribution Center
    • Repack and Fulfillment Center
    • Private Label Operation
    • Amco Clear  Water Analysis Division
    • Bottling Operations
    • Quality Control Labs
    • Manufacturing and Sourcing over 4000 Analytical Reagents
  • Exceptional Customer Service
    • Our people understand the importance of strong customer relationships whether the customer is a small independent lab or a large corporate research facility.
  • Customers Served
    • Analytical Laboratories
    • Quality Control Labs
    • Environmental Labs
    • Pharmaceutical & Biotechnology
    • Flavor & Fragrance
    • Chemical Manufacturers & Distributors
    • Instrument Manufacturers
    • Water Treatment
    • Power & Energy
    • Agricultural
    • Automotive
    • Defense
    • Electronics & Semiconductor
  • Other Analytical Specialties
    • Watermark® Karl Fischer Reagents
    • Organic Halogen Reagent: quantitative & simple to use
    • Veritas® Trace Metal Acids: environmental, ppb & ppt grades
    • AA/ICP/Ion Standards
    • pH Reference Buffers
    • Primary Standards, & Analytical Solutions
    • Quat Salts & Solutions
    • Environmental & Contract Lab Standard Solutions
    • Sorbents for Chromatography, including Silicas, Aluminas, Ion Exchange Resins
    • HPLC Solvents
    • Ultrapure & Bio-refined Reagents
    • AMCO Clear  turbidity standards and turbidimeters
    • In-Spec  spectrophotometer calibration standards
  • AMCO Clear  Water Analysis Division
    • AMCO Clear  turbidity standards
    • Turbidimeters and Probes
    • In-Spec  spectrophotometer calibration standards
    • Conductivity Standards
    • Dye Standards
    • AA/ICP/Ion Standards
    • pH Reference Buffers
    • Primary Standards, & Analytical Solutions
    • De-ionized Water
  • International Operations
    • Sourcing Operations in
    • Shanghai China
    • Serving over 80 countries worldwide
      • Japanese
      • German
      • French
      • Spanish
  • Safety and Environment
    • GFS is a Tier II Chem Stewards organization focused on safety improvement practices and waste minimization, recovery policies and controls.
    • Selected Employees are DOT, IATA and IMO certified to support all modes of material logistics to ensure safe and legal shipments world wide.
  • Compliance and Quality
    • GFS organic production operations are a zero discharge facility compliant with all local and federal EPA regulations
    • We adhere to ISO 9001:2008 standards for quality practices and have been ISO certified since 1997
  • Contact: Elicia Dieterly– In-Spec Product Line Manager [email_address] 800-858-9682 extension 140 Or visit