Carbonaceous materials used in the production of aluminium. Green and calcined coke. Determination of ash content
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Humic substances from brown coals, lignites and oxidized coals. Methods of tests
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Synthetic detergents. Method for determination of stability
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Perfume and cosmetic products. Methods for determination and assessment of toxicological safety indicators
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Petroleum cokes of delayed coking. Sampling and preparation of samples
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