GB/T 33318-2016 Gas analysis—Determination of sulfide—Gas chromatography with sulfur chemiluminescence

GB/T 3723-1999 Sampling of chemical products for industrial use—Safety in sampling GB/T 4946-1985 Terms of gas chromatography GB/T 4946-2008 Terms of gas chromatography GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods GB/T 5274-2008 Gas analysis—Preparation of calibration gas mixtures—Gravimetric method GB/T 5274.1-2018 Gas analysis—Preparation of calibration gas mixtures—Part 1:Gravimetric method for class Ⅰ mixtures GB/T 5275.8-2014 Gas analysis—Preparation of calibration gas mixtures using dynamic volumetric methods—Part 8:Diffusion method GB/T 5275.10-2009 Gas analysis—Preparation of calibration gas mixtures using dynamic volumetric methods—Part 10:Permeation method GB/T 5275.11-2014 Gas analysis—Preparation of calibration gas mixtures using dynamic volumetric methods—Part 11:Electrochemical generation GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 10628-1989 Gas analysis—Determination of composition of calibration gas mixtures—Comparison methods GB/T 10628-2008 Gas analysis—Comparison methods for determining and checking the composition of calibration gas mixtures 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 14850-1993 Gas analysis—Vocabulary GB/T 14850-2008 Gas analysis—Vocabulary GB/T 14850-2020 Gas analysis—Vocabulary GB/T 13609-2025 Natural gas—Gas sampling