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Petroleum. Method for determination of hydrogen sulfide, methyl- and ethylmercaptans

Document status: Replaced by GOST R 50802-2021

Reagents. Methods for determination of sulfates impurity

Document status: Active

Copper concentrates. Methods for determination of gold and silver

Document status: Replaced by GOST 32221-2013

Reagents. Determination of copper with colorimetric methods

Document status: Replaced by GOST 10554-2016

Essential oils. Determination of carbonyl value. Free hydroxylamine method

Document status: Active

Stationary distillation desalting units. Methods of saline water and distillate chemical analysis on gas content

Document status: Active