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Chromium ores and concentrates. Methods for determination of phosphorus
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Trimmed mica for heating elements, inspection windows of industrial furnaces and domestic apparatus. Specifications
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Solvent-extracted oils. Method for the determination of phenol and cresol
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Benzene hydrocarbons and allied products. Method of determination of hydrogen sulphide and mercaptans
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Lubricating oils. Determination of foaming characteristics
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