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Zinc concentrates. Atomic-absorption methods for the determination of gold and silver contents
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Manganese ores, concentrates and agglomerates. Methods for determination of total iron
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Methanol-poison technical. Method for determination of iron volatile compounds
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Iron ores. Method for the determination of coefficient of potentiality of grind
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Carbonaceous materials for the production of aluminium. Cold and tepid ramming pastes. Preparation of baked test pieces and determination of loss on baking
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