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Petroleum products and used oils. Determination of polychlorinated biphenyls (PCB) and related products. Part 3. Determination and quantification of polychlorinated terphenyls (PCT) and polychlorinated benzyl toluenes (PCBT) content by gas chromatography (GC) using an electron capture detector (ECD)

Document status: Active

Oil of Eucalyptus citriodora Hook. Specifications

Document status: Replaced by GOST ISO 3044-2022

Clay raw materials. Method for determination of sulphate ions in water extract

Document status: Replaced by GOST 21216-2014

Reagents. Bismuth (III) nitrate pentahydrate. Specifications

Document status: Active

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