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Brown coals, hard coals, anthracites, combustible shales and briquettes. Method for the preparation of common samples
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Associated oil gas. Determination of composition by gas chromatography. Part 2. Determination of sulfur compounds using flame photometric detector
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Sodium bisulphite technical (aqueous solution). Specifications
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Iron ores, agglomerates and pellets. Method for determination of initial softening point and temperature range of softening
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