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What does LR grade mean?

What does LR grade mean?

Laboratory Reagent
Lab Grade Chemicals: These are commonly called UNILAB, Laboratory Reagent (LR Grade chemicals), or Chemically Pure (CP). You can find them in educational or teaching labs. Though their purity levels are high, the precise impurity levels remain anonymous.

What is AR and LR grade chemicals?

AR Analytical Reagent. AR is used for sophisticated instruments and for research activities which accuracy is so important. However, for teaching purpose you may use LR chemicals or sometimes industrial reagent (IR). LR grade can be used for general purposes and again sometimes, these can be used teaching purpose.

What does AR grade mean?

analytical reagents
AR—The standard Macron Fine Chemicals™ grade of analytical reagents; suitable for laboratory and general use. If the reagent also meets the requirements of the American Chemical Society Committee on Analytical Reagents, it will be denoted as an AR (ACS) reagent.

What is the difference between AR and GR grade?

Guaranteed Reagent (GR) – Suitable for use in analytical chemistry, products meet or exceed American Chemical Society (ACS) requirements where applicable. Analytical Reagent (AR) – The standard Mallinckrodt grade of analytical reagents; suitable for laboratory and general use.

What is acetone LR?

Acetone Laboratory Reagent. Purity Percentage: 99 – 100% Chemical State: Liquid. Containers Type: Metal. Chemical formula : (CH3)2CO.

What is NF quality?

NF grade is a purity grade set by the National Formulary (NF). NF grade is equivalent to the ACS grade for many drugs. British Pharmacopoeia: Meets or exceeds requirements set by the British Pharmacopoeia (BP). Can be used for food, drug, and medical purposes, and also for most laboratory purposes.

What are grades of chemicals?

The three most common chemical grades are ACS, Reagent, and Laboratory grade.

What does EP grade mean?

*EP (Pass – Exceptional Circumstance) is to be used as the P grade in grade submission.

What is NF grade?

Why is acetone used?

Acetone is a chemical used to make products like nail polish remover and paint remover. Your body also makes this chemical when it breaks down fat.

What is NF and USP?

The USP–NF is a combination of two compendia, the United States Pharmacopeia (USP) and the National Formulary (NF). It contains standards for medicines, dosage forms, drug substances, excipients, biologics, compounded preparations, medical devices, dietary supplements, and other therapeutics.

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