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Coal tar phenol products. Gas chromatographic method for determination of composition of decresol, tricresol and xylenols

Document status: Replaced by GOST 20843.2-2023

Non-metallic ore materials. Method for determination of potassium oxide and sodium oxide mass fractions

Document status: Active

Solid fuel. Determination of forms of sulphur

Document status: Replaced by GOST 30404-2000

Methods for the petrographic analysis of bituminous coal and anthracite. Part 2. Method of preparing coal samples

Document status: Withdrawn

Chromium ores and concentrates. Methods for determination of sulphur

Document status: Active

Iron ores, concentrates, agglomerates and pellets. Methods of the determination of arsenic content

Document status: Active