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Carbonaceous materials used in the production of aluminium. Calcined coke. Determination of residual-hydrogen content
Document status: Active
Perfume and cosmetic products. Determination of mass fraction of lead by electrothermal atomization atomic absorption method
Document status: Active
Base oils. Gas chromatographic method for determination of N-methylpyrrolidone
Document status: Active
Used petroleum products. General specification
Document status: Replaced by GOST 21046-2021
pH-measuring. Tablets for preparing the working buffer solutions
Document status: Active