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Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 5. Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and for a laboratory and on-line process application using three columns
Document status: Replaced by GOST 31371.5-2022
Essential oils, aromatics and their intermediates. Method of analysis by gas chromatography
Document status: Active
Alumina. Method of spectral analysis. Determination of vanadium pentoxide, manganese suboxide, chromium oxide, titanium dioxide and zinc oxide
Document status: Active
Lumpy limestone for glass industry. Specifications
Document status: Replaced by GOST 23671-2020