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High purity substances. Method for concentration of microimpurities by extraction
Document status: Replaced by GOST 27868-2019
Ethylene and propylene. Method for determination of sulphur
Document status: Active
Reagents. Calcium hydrogen phosphate dehydrate. Specifications
Document status: Active
Cooling liquids and antirusts. Determination of pH
Document status: Active
Bituminous paving mixtures. Determination of theoretical maximum specific gravity
Document status: Active