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Maleic anhydride for industrial use. Methods of test. Part 3. Determination of free acidity. Potentiometric method
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Zink concentrates. Atomic absorption method for determination of arsenic
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Benzene hydrocarbons and allied products. Method of determination of benzene freezing point
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Laboratory glassware. Burettes. Part 1. General requirements
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Chrysotile asbestos. Methods for determination of fractional composition and foreign matters content
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