Russian standards

Reagents. Hydroxylamine sulfate. Specifications

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Combustible natural gases. Method for determination of total and organic sulphur content

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Iron ores, concentrates, agglomerates and pellets. Determination of sulfur content. Barium sulfate gravimetric method

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Well sucker-rod pumps. General technical requirements

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Ion exchange membranes. Method for measuring changes in dimensions on swelling

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Organic chemical products. Method of test for microdetermination of nitrogen

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