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Graphite. Method for determination of hydrogen ions concentration of water suspension and water extract
Document status: Active
Concentrated kaolin. Method for determination of hydrogen ions concentration of water suspension
Document status: Active
Chalk. Method for determination of water-soluble matters content
Document status: Active
Chalk. Method for determination of sulphate ions content in water extract
Document status: Active
Coal briquettes. Method for the determination of water absorption
Document status: Replaced by GOST 21290-2018
