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Lead concentrates. Determination of copper and zinc by polarographic, complexometric and atomic absorption methods
Document status: Active
Reagents. Methods for determination of nitrites impurity
Document status: Active
Coke. Methods for the determination of true relative density, annarent relative density and porosity
Document status: Replaced by GOST 10220-2023
Perfumery and cosmetic production. Anodic stripping voltammetric method of definition of mercury
Document status: Active
