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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Petroleum fuels. Determination of the heat of combustion in calorimetric bomb
Document status: Accepted
Organic chemical products. Methods for determination of melting point interval
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Solvent-extracted oils. Method for the determination of phenol and cresol
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Production and preparation waste of coal. Classification
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Solid recovered fuels. Determination of particle size distribution. Part 1. Screen method for small dimension particles
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Copper and complex ores and products for their processing. Methods for measurement of sulphur mass fraction
Document status: Active