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Zinc concentrates. Methods for the determination of silver and gold
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Organic chemical products. Method for determination of specific rotation quantity
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Testing of chemicals of environmental hazard. Activated sludge, respiration inhibition test (Carbon and Ammonium Oxidation)
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Carbonaceous materials for the production of aluminium. Determination of density by gas pycnometry (volumetric) using helium as the analysis gas. Solid materials
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