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Iron ores, concentrates, agglomerates and pellets. Determination of silica gravimetric method
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Ammonium nitrate for industrial use. Method determination of ammoniacal nitrogen content (titrimetric) after distillation
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Hair coloring and lightening cosmetics. General specifications
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Petroleum and petroleum products. Determination of ash content
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Barite concentrate. Method for determination of water soluble salts and water soluble calcium
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