Russian standards
Gas for domestic and public utilities. Method for determination of tar and dust content
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Marble. Method for the determination of calcium oxide and magnesium oxide, soluble in water
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Phosphorus and inorganic phosphorus compounds. Method of determination of matters non-soluble in water
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Phosphorus and inorganic phosphorus compounds. Method of pH determination
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Phosphorus and inorganic phosphorus compounds. Method of chloride determination
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