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Ground sulphur for rubber products and rubbers. Specifications
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Raremetallic concentrates. Methods for the determination of chromium oxide
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Iron ores, concentrates, agglomerates and pellets. Method for determination of divalent iron calculated as ferrous oxide
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Petroleum bitumens. Method for determination of diluent quantity vaporized from liquid bitumens
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Testing of chemicals of health hazard. Chronic toxicity studies
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