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By: Cameron Bornholm, Angela Jenkins, and Cherelle Waters

Reagent Quality and Reagent Grade. By: Cameron Bornholm, Angela Jenkins, and Cherelle Waters. Table of Contents. I. What is a reagent II. Grades of reagents III. Reagent labels IV. Containers V. MSDS VI. Reagents at Kennesaw. What is a reagent?.

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By: Cameron Bornholm, Angela Jenkins, and Cherelle Waters

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  1. Reagent Quality and Reagent Grade By: Cameron Bornholm, Angela Jenkins, and Cherelle Waters

  2. Table of Contents I. What is a reagent II. Grades of reagents III. Reagent labels IV. Containers V. MSDS VI. Reagents at Kennesaw

  3. What is a reagent?

  4. A reagent is a test substance or compound that is added to a system in order to bring about a reaction or to see whether a reaction will occur.

  5. A “reagent-grade” describes chemical substances of sufficient purity for use in chemical analysis, chemical reactions, or physical testing.

  6. Grades of Reagents

  7. There are eight different categories of chemical grades: • General • Acids • High-Pressure Liquid Chromatography and Spectrophotometry • Multiple Application Solvent • Pesticide and Residue • Standard Solutions • Bio Tech Applications • Miscellaneous

  8. General Grades of Chemicals • Lab Grade • USP • USP/GenAR • NF • FCC • CP (Chemically Pure) Technical • Reagent A.C.S. • Guaranteed Reagent (GR) • AR • Primary Standard • Reagent • OR • Purified • Practical

  9. Acids • OmniTrace Grade Acids • Tracemetal • Tracemetal Plus • Suprapur Grade Acids • AR Select • AR Select Plus • Environmental Grade • Environmental Grade Plus

  10. High Pressure Liquid Chromotagraphy & Spectrophotometry • OmniSolv HPLC Grade Solvents • HPLC/Spectro • ChromAR • SpectrAR

  11. Multiple Application Solvents • OmniSolv Grade Solvents • Absolv • UltimAR • Accusolv

  12. Pesticide and Residue • HR-GC OmniSolv Grade Solvents • Nanograde • Residue Grade Solvents

  13. Standard Solutions • Standardized • StandARd • Acculute

  14. Bio Tech Applications • OmniSolv Biosynthesis • GenAR • Accugen • BIO • Anhydrosolv • DriSolv

  15. Miscellaneous • ScintillAR • SilicAR • Accutint

  16. Lab Chemical Safety DO • Use the appropriate size container for the job. • Get help when needed. • Clean containers after use with deionized water. • Work under a fume hood unless you have been told otherwise by the lab manager/supervisor. • Use a funnel when pouring chemicals into a small container. • Open bottles slowly to avoid spilling and allow vapors to escape. • Know what type of reactions to expect. • Remember to triple-A (AAA): Always Add Acid to water.

  17. DON'T • Reuse containers (adverse chemical reaction may occur). • Eat, drink, smoke, or touch any body part before washing your hands when working with chemicals. • Be afraid to ask questions. • Pour leftover chemicals back in its source container, contamination may result. • Put your face close to the bottle when pouring. • Puncture cap or lid of any bottle.

  18. Reagent Labels • All solution labels meet all ISO, DOT and OSHA regulations and include the following information: • Expiration Date • Date of Manufacture • Standard Reference Material used • Actual Lot Analysis • Space for date received and date opened • NFPA diamond

  19. Example of a Reagent Label

  20. Reagent Containers • Below are so of the containers used for reagents: • 4L Amber Glass Bottle Plastic Bottle and Jug 10 L Plastic Container 1 gallon F Can

  21. Rieke Can Hed-Pak Carton with Liner Cubitainer

  22. Material Safety Data Sheet (MSDS) These sheets contain all the pertinent information for the reagent. These must be kept in the lab where the reagent is stored. Material Safety Data Sheet (MSDS)

  23. OSHA OSHA began requiring MSDS's for hazardous materials effective May 26, 1986. OSHA is responsible for the Hazard Communication Standard 29 CFR 1910.1200. "to ensure that the hazards of all chemicals produced or imported are evaluated, and that information concerning their hazards is transmitted to employers and employees. This transmittal of information is to be accomplished by means of comprehensive hazard communication programs, which are to include container labeling and other forms of warning, material safety data sheets and employee training." The Hazard Communication Standard (HCS) specifies the required elements that must be on an MSDS among other important data.

  24. American Society for Testing and Materials (ASTM), is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.

  25. Fisher Scientific

  26. Fisher Scientific

  27. Reagents at Kennesaw All reagents, etc. are ordered through a unified software system. The reagent is bar coded and tracked through the system to its storage location. Expiration dates are automated through the system and alert the user that these particular items need to be checked. The grade ordered depends on the application. High grades are normally ordered in just the quantity needed because of high cost.

  28. References http://www.ilpi.com/msds/ http://www.astm.org/index.shtml http://www.fishersci.com/wps/portal/CMSTATIC?href=index.jsp&store=Scientific&segment=lifeScience http://www.osha.gov/ http://www.reagents.com/products/reagents/grades.html

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