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What do GPR, AR and ACS stand for?

April 26, 2017ACS ar GPR stand

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What do GPR, AR and ACS stand for?

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These abbreviations all refer to different grades of reagent. GPR stands for General Purpose Reagents, which are reagents of a defined quality. AR stands for Analytical Reagents, which are reagents of high purity. ACS identifies reagents meeting the standards of the American Chemical Society.