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Manganese ores, concentrates and agglomerates. Methods for the determination of sulphur
Document status: Replaced by GOST 22772.7-96
Niobium pentoxide. Method for the determination of sulphur content
Document status: Active
Petroleum. Method for determination of hydrogen sulfide, methyl- and ethylmercaptans
Document status: Active
Optical brighteners. Method for determination of water solubility
Document status: Active
Solid biofuels. Determination of major elements
Document status: Replaced by GOST R 54213-2015