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Testing methods for chemicals of environmental hazard. Soil microorganisms: carbon transformation test

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Petroleum and natural gas industries. Well service equipment. General technical requirements

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Iron ores, concentrates, agglomerates and pellets. Method of determination of metallic iron content

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Microtalc. Methods for determination of dispersion composition

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Naphtha. Determination of individual and group hydrocarbon composition by method of capillary gas chromatography

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Gasoline. Determination of oxygenates content by gas chromatography method with oxygen selective flame ionization detection

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