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Phosphorus and inorganic phosphorus compounds. Method of pent sodium triphosphate determination
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Bitumens. Determination of neutralization value by colour indicator titration
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Carbonaceous materials used in the production of aluminium. Cold-ramming pastes. Methods of sampling
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Oils and additives. Method of test for corrosion influence on metals
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Phthalic anhydride for industrial use. Method for the determination of colour after treatment with sulphuric acid
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