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Reagents and matters of special purity. Methods for preparation of buffer solutions

Document status: Replaced by GOST 4919.2-2016

Gas sampling and storage glass apparatus and tubes (pipettes). Specifications

Document status: Active

Solid recovered fuels. Determination of the content of major elements

Document status: Active

Dissolved acetylene and gaseous acetylene for technical purposes. Specifications

Document status: Active

Cosmetics. Method for determination of hydrogen for concentration (pH)

Document status: Replaced by GOST 29188.2-2014

Copper and complex ores, and products of their processing. Methods for weight fraction measurement of copper in mineral forms

Document status: Active