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Petroleum bitumen. Method for determination of change of mass after heating

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Zink concentrates. Atomic emission spectroscopy with inductively coupled plasma. Determination of copper, lead, cadmium, iron, aluminum, cobalt, antimony, manganese, arsenic and indium

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Bauxite. Methods for determination of calcium oxide and magnesium oxide contents

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Chemical organic products. Determination of acidity and alkalinity

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Mineral oils. Method of determination of saponification number

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Petroleum products. Determination of total sulfur by method ultraviolet fluorescence

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