GOST
Manganese ores concentrates and agglomerates. Methods of sampling and sample preparation for the determination of the grain composition
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Cryptocrystalline graphite. General specifications
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Essential oils (containing tertiary alcohols). Estimation of free alcohols content by determination of ester value after acetylation
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Iron ores, concentrates, agglomerates and pellets. General requirements to the methods of chemical analyses
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Reagents. Copper II sulphate pentahydrate. Specifications
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