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Copper concentrates. Methods for determination of tellurium
Document status: Replaced by GOST 32221-2013
Oils for refrigerating machines. Specifications
Document status: Replaced by GOST 5546-2021
Perfume and cosmetic products. Determination of mass fraction of lead by electrothermal atomization atomic absorption method
Document status: Active
Chromium ores and concentrates. Methods for determination of total iron
Document status: Active