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Lead concentrates. Determination of silicon dioxide. Photometric and gravimetric methods
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Tar and pitch. Determination of toluene-insoluble content
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Carbonaceous materials for the production of aluminium. Cathode block materials. Part 1. Determination of the expansion due to sodium penetration with application of pressure
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Phthalic anhydride for industrial use. Method for the determination of impurities oxidirable in the cold by potassium permanganate
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Manganese ores, concentrates and agglomerates. Methods of sampling and preparation of samples for chemical analysis and determination of moisture content
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