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Essential oils. Analysis by gas chromatography on chiral capillary columns. General method
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Ammonium nitrate for industrial use. Method determination of ammoniacal nitrogen content (titrimetric) after distillation
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Petroleum liquids and liquefied petroleum gases. Measurements. Standard reference conditions
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Reagents. Method for determination of ammonium impurity
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Bauxite. Methods for determination of calcium oxide and magnesium oxide contents
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