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Coals. Method for the determination of coking property

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Technical sodium nitrate. Specification

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Reagents. Soluble starch. Specifications

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Copper and complex ores, and products of their processing. Methods of measurement of silicon dioxide weight fraction

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Laboratory volumetric glassware. Cylinders, beakers, measuring flasks and test tubes. General specifications

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Talc and talcomagnesite. Method for determination of mass loss on ignition

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