GOST PDF

Mineral nitrogen-containing substances. Determination in air and water

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Benzidine. Determination of concentration in water by liquid-liquid extraction or solid phase extraction and reverse phase high performance liquid chromatography/particle-beam interface/mass-spectrometry

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Phthalic anhydride. Determination in air

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Hexamethylene diamine. Determination in air

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Diphenylol propane. Determination in air

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Toluylene diisocyanate. Determination in air

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