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Ethanol for industrial use. Methods of test. Determination of aldehydes content. Visual colorimetric method
Document status: Active
Brown coals, hard coals and anthracites. Classification according to genetic and technological parameters
Document status: Replaced by GOST 25543-2013
Surface active agents. Method for determination of biodegradability in aqueous medium
Document status: Cancelled
Tungsten concentrate. Method of determination of bismuth
Document status: Active
Dolomite for glass industry. Method for the determination of aluminium oxide
Document status: Replaced by GOST 23673.3-2020
