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Reagents. Ethylenediaminetetraacetic acid, disodium salt dehydrate. Specifications
Document status: Active
Surface-active substances. Method of determination of free polyethylene glycol and an active substance in nonionic surface-active substances
Document status: Active
Ground feldsparic and quartzfeldsparic materials. Method for determination of mica content
Document status: Active
Liquid petroleum paraffins. Method for determination of impurities content and calculation of n-alkanes content
Document status: Active
Clay raw materials. Method for determination of chlorine ions in water extract
Document status: Replaced by GOST 21216-2014