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Moulding sands. Methods for determination of water extract hydrogen ions concentration (pH)
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Ammonia solution for industrial use. Determination of residue after evaporation at 105 C degree. Gravimetric method
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Ammonia solution for industrial use. Determination of ammonia content. Titrimetric method
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Ammonium nitrate for industrial use. Determination of matter insoluble in water content. Gravimetric method
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Textile machinery and accessories. Cylindrical tubes. Dimensions
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