Russian standards
Coal briquettes. Method for the determination of water absorption
Document status: Replaced by GOST 21290-2018
Pneumatic rock drills. General technical requirements
Document status: Cancelled
Super pure chemicals. Concentration of microimpurities by evaporation
Document status: Replaced by GOST 27565-2019
Synthetic detergents and surfactants. Methods to determination of hydrogen ions concentration
Document status: Active
Ion-exchange resins. Cation exchangers. Specifications
Document status: Replaced by GOST 20298-2022