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Manganese ores, concentrates and agglomerates. General requirements for the methods of chemical analysis
Document status: Replaced by GOST 22772.0-96
Bauxite. Method for determination of iron oxide (II) content
Document status: Active
Goods of household chemistry. Method for determination of water-insoluble residue (abrasive)
Document status: Active
Non-metallic ore materials. Method for determination of potassium oxide and sodium oxide mass fractions
Document status: Active
