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Phthalic anhydride. Method of determination of acid compounds
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Ion-exchange resins. Anionites. Specifications
Document status: Replaced by GOST 20301-2022
Reagents. Manganese (II) acetate 4-aqueous. Specifications
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Iron and manganese ores, concentrates, agglomerates and pellets. Methods for determination of real, middle, bulk density and porosity
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Federal Law No. 219-FZ dated 21.07.2014 (with amendments as of 26.03.2022) 'On amendment of the Federal Law 'About protection of environment' and certain legislative acts of the Russian Federation'
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