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Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 6. Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns
Document status: Active
Petroleum products. Methods for the determination of mechanical impurities
Document status: Active
Carbonaceous materials for the production of aluminium. Cathode block materials. Part 2. Determination of the expansion due to sodium penetration without application of pressure
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Coating powders. Determination of loss of mass on stoving
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Alumina. General requirement for methods of chemical analysis
Document status: Replaced by GOST 25542.0-2023