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Talc and talcomagnesite. Method for determination of hydrogen ions concentration (pH) of water suspension and water extract
Document status: Active
Ethylene and propylene. Chromatographic methods of analysis
Document status: Replaced by GOST 24975.1-2015
Measuring means for hydrogeological field research. Types. Main parameters. General requirements
Document status: Active
Reagents. Ferrous (II) sulphate 7-aqueous. Specifications
Document status: Active