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Lead concentrates. Determination of germanium. Photometric method
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Petroleum bitumens. Method of separation into four fractions
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Feldspar and quartzfeldapar raw material for glass industry. Specifications
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Carbonaceous materials for the production of aluminium. Calcined coke. Determination of crystallite size of calcined petroleum coke by X-ray diffraction
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Coal. Determination of moisture in the analysis sample. Direct gravimetric method
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