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GB/T 16781.1-1997 Natural gas-Determination of mercury-Atomic absorption spectrometry (USD) via email in 1-3 business day ABOLISHED
GB/T 17747.3-2011 Natural gas—Calculation of compression factor—Part 3:Calculation using physical properties (USD) via email in 1-5 business day VALID
GB/T 12209.1-1990 Determination of naphthalene of gas in urban area-Picric acid method (USD) via email in 1-3 business day ABOLISHED
GB/T 17283-2014 Determination of the water dew point of natural gas—Cooled surface condensation hygrometers (USD) via email in 1-3 business day VALID
GB/T 27894.2-2011 Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 2:Measuring-system characteristics and statistics for processing of data (USD) via email in 1-3 business day VALID
GB/T 26978.5-2011 Design and manufacture of site built,vertical,cylindrical,flat-bottomed steel tanks for the storage of liquefied natural gases—Part 5:Testing,drying,purging and cool-down (USD) via email in 1-3 business day VALID
GB/T 24963-2019 Installation and equipment for liquefied natural gas—Ship to shore interface (USD) via email in 1-5 business day VALID
GB/T 11060.2-1998 Natural gas-Determination of hydrogen sulfide content-Methylene blue method (USD) via email in 1-3 business day ABOLISHED
GB/T 30491.1-2014 Natural gas—Calculation of thermodynamic properties—Part 1:Gas phase properties for transmission and distribution applications (USD) via email in 1-5 business day VALID
SY/T 6538-2002 Formulated selective desulfurization solvent (USD) via email in 1-3 business day ABOLISHED
GB 17820-2018E Natural gas (USD) via email in 1-3 business day VALID
GB/T 12206-2006 Testing method to determine the calorific values of town gas (USD) via email in 1-3 business day VALID
GB/T 11062-1998 Natural gas-Calculation of calorific values, density, relative density and Wobbe index from composition (USD) via email in 1-3 business day ABOLISHED
GB/T 13610-1992 Analysis of natural gas by gas chromatography (USD) via email in 1-3 business day ABOLISHED
GB/T 12206-1990 Method of testing for calorific value of gas in urban area (USD) via email in 1-3 business day ABOLISHED
GB/T 22723-2008 Energy determination for natural gas (USD) via email in 1-5 business day VALID
GB/T 11060.1-2010E Natural Gas - Determination of Sulfur Compound Part 1: Determination of Hydrogen Sulfide Content by Iodometric Titration Method via email in VALID please email coc@codeofchina.com for quotation
SY/T 0077-2003 Design specification of natural gas liquid recover (USD) via email in 1-5 business day ABOLISHED
GB/T 19204-2003 General characteristics of liquefied natural gas via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
SY/T 6537-2002 Analysis methods of gas and solution for natural gas treating plant (USD) via email in 1-5 business day ABOLISHED
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