GOST
Reagents. N,N-sodium diethyldithiocarbamate 3-aqueous. Specifications
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Phthalic anhydride for industrial use. Method for the determination of colour after treatment with sulphuric acid
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Casing and coring tubes for geology-exploring drilling. Specifications
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Manganese ores, concentrates and agglomerates. Methods of sampling and preparation of samples for chemical analysis and determination of moisture content
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