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Combustible natural gases. Methods for determination of hydrogen sulphide and sulphur mercaptan

Document status: Replaced by GOST 22387.2-2014

Hard coals and anthracites of Kuznets and Gorlovsky basins of technological purposes. Specification

Document status: Active

Bituminous materials. Determination of solubility in trichloroethylene

Document status: Active

Reagents. Potassium-sodium tartrate 4-aqueous. Specifications

Document status: Active

Petroleum products. Determination of carbon residue by micro method

Document status: Active

Coal core with size of pieces 20 mm and more. Method of strength determination after reaction with carbon dioxide

Document status: Active