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Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 4. Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
Document status: Active
Gas distribution systems. Objects of liquid petroleum gases. General requirements to operation. Operational documentation
Document status: Replaced by GOST R 54982-2022
Clay raw materials. Method for determination of calcium and magnesium in water extract
Document status: Replaced by GOST 21216-2014
Petroleum-based lubricating oils. Ageing characteristics. Determination of change in Conradson carbon residue after oxidation
Document status: Active