GB/T 32865-2016 Technical requirements and test methods for tight sandstone gas

GB/T 32865-2025 Quality requirements and test methods for tight sandstone gas products

GB/T 11060.1-1998 Natural gas—Determination of hydrogen sulfide content—Iodometric titration method GB/T 11060.1-2010 Natural gas—Determination of sulfur compound—Part 1:Determination of hydrogen sulfide content by iodometric titration method GB/T 11060.1-2023 Natural gas—Determination of sulfur compound—Part 1:Determination of hydrogen sulfide content by iodometric titration method GB/T 11060.2-1998 Natural gas—Determination of hydrogen sulfide content—Methylene blue method GB/T 11060.2-2008 Natural gas—Determination of sulfur compound—Part 2:Determination of hydrogen sulfide content by methylene blue method GB/T 11060.2-2023 Natural gas—Determination of sulfur compound—Part 2:Determination of hydrogen sulfide content by methylene blue method GB/T 11060.3-2010 Natural gas—Determination of sulfur compound—Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method GB/T 11060.3-2018 Natural gas—Determination of sulfur compound—Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method GB/T 11060.4-2010 Natural gas—Determination of sulfur compound—Part 4:Determination of total sulfur content by oxidative microcoulometry method GB/T 11060.4-2017 Natural gas—Determination of sulfur compound—Part 4:Determination of total sulfur content by oxidative microcoulometry method GB/T 11060.5-2010 Natural gas—Determination of sulfur compound—Part 5:Determination of total sulfur content by hydrogenolysis and rateometric colorimetry method GB/T 11060.7-2011 Natural gas—Determination of sulfur compounds—Part 7:Determination of total sulfur content by Lingener combustion method GB/T 11060.8-2012 Natural gas—Determination of sulfur compound—Part 8:Determination of total sulfur content by ultraviolet fluorescence method GB/T 11060.8-2020 Natural gas—Determination of sulfur compounds—Part 8:Determination of total sulfur content by ultraviolet fluorescence method GB/T 11060.10-2014 Natural gas—Determination of sulfur compounds—Part 10:Determination of sulfur compounds using gas chromatography method GB/T 11060.10-2021 Natural gas—Determination of sulfur compounds—Part 10:Determination of sulfur compounds using gas chromatography method GB/T 11062-1998 Natural gas—Calculation of calorific values, density, relative density and Wobbe index from composition GB/T 11062-2014 Natural gas—Calculation of calorific values,density,relative density and Wobbe index GB/T 11062-2020 Natural gas—Calculation of calorific values,density,relative density and Wobbe indices from composition GB/T 13609-1999 Natural gas—Sampling guidelines GB/T 13609-2012 Natural gas sampling guidelines GB/T 13609-2017 Natural gas sampling guidelines GB/T 13610-2003 Analysis of natural gas by gas Chromatography GB/T 13610-2014 Analysis of natural gas composipion—Gas chromatography GB/T 13610-2020 Analysis of natural gas composition—Gas chromatography GB/T 13611-1992 Classification of town gas GB/T 13611-2006 Classification and essential property of city gas GB/T 13611-2018 Classification and basic characteristics of city gas GB/T 17283-1998 Determination of the water dew point of natural gas—Cooled surface condensation hygrometers GB/T 17283-2014 Determination of the water dew point of natural gas—Cooled surface condensation hygrometers GB/T 22634-2008 Conversion between water content and water dew point of natural gas GB/T 27894.3-2011 Natrual gas—Determination of composition with defined uncertainty by gas chromatography—Part 3:Determination of hydrogen,helium,oxyen,nitrogen,carbon dioxide and hydrocarbons up to C8 using two packed columns GB/T 27894.3-2023 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 3:Precision and bias GB/T 27894.4-2012 Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 4:Determination of nitrogen,carbon dioxide and C1 to C5 and C+6 hydrocarbons for a laboratory and on-line measuring system using two columns GB/T 27894.5-2012 Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 5:Determination of nitrogen,carbon dioxideand C1 to C5 and C+6 hydrocarbons for a laboratory and on-line process application using three columns GB/T 27894.6-2012 Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 6:Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns GB 50251-2015 Code for design of gas transmission pipeline engineering GB 50028-2006 Code for design of city gas engineering GB 50183-2015 Petroleum and natural gas engineering design fire prevention specifications GB/T 17283.1-2025 Natural gas—Determination of moisture—Part 1:Determination of water dew point by cooled surface condensation hygrometers GB/T 13609-2025 Natural gas—Gas sampling GB/T 17283.2-2026 Natural gas—Determination of moisture—Part 2:Determination of water content by oscillation frequency difference method