Oil, petrochemical and gas industry. Shell and tube heat-exchangers. Technical specifications. Replaces O’z DSt 1138:2007 in the part of section 7
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State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. The procedure for geological control of the results of quantitative chemical analysis of samples of solid incombustible minerals
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Cylindrical container/vessel apparatus for gas and fluid environments. Technical specifications. Replaces Tst 39.0-026:2008
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Solid fuel. Determination and presentation of float and sink characteristics. General directions for apparatus and procedures
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Liquid petroleum products. Determination of fatty acid methyl esters (FAME) in middle distillates by infrared spectroscopy method
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Concentrated kaolin. Method for determination of manganese oxide (II)
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Fluorite. Methods of chemical analysis. General requirements
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