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Concentrated kaolin. Method for determination of aluminium oxide (III)
Document status: Active
Dolomite for glass industry. Specifications
Document status: Replaced by GOST 23672-2020
High purity substances. Method for concentration of microimpurities by extraction
Document status: Replaced by GOST 27868-2019
Copper concentrates. Flame atomic absorption method for determination of iron, cobalt, nickel
Document status: Replaced by GOST 32221-2013