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Coal tar phenol products. Gas chromatographic method for determination of composition of phenol, o-cresol
Document status: Replaced by GOST 20843.1-2023
Non-metallic ore materials. Method for determination of quartz mass fraction
Document status: Active
Solid mineral fuel. Symbols of quality indicators and calculation of analyses to different bases
Document status: Active
Chromium ores and concentrates. Methods for determination of total carbon
Document status: Active
Iron ores, concentrates, agglomerates and pellets. Methods of the determination of capper content
Document status: Withdrawn