Coke-chemical products. Rapid method for the determination of mass fraction of substances insoluble in toluene
Document status: Replaced by GOST 28357-2023
Brown coals, hard coals, anthracites, combustible shales and briquettes. Method for the preparation of common samples
Document status: Active
Gas supply system. Main pipeline gas transportation. Mobile compressor unit. Technical requirements
Document status: Active
Bauxite. Methods of sampling and sample preparation for chemical analysis and water content determination
Document status: Active
