D7164-21 Standard Practice for On-line/At-line Heating Value Determination of Gaseous Fuels by Gas Chromatography

D7165-22 Standard Practice for Gas Chromatograph Based On-line/At-line Analysis for Sulfur Content of Gaseous Fuels

D7166-23 Standard Practice for Total Sulfur Analyzer Based On-line/At-line for Sulfur Content of Gaseous Fuels

D7314-21 Standard Practice for Determination of the Heating Value of Gaseous Fuels using Calorimetry and On-line/At-line Sampling

D7493-22 Standard Test Method for Online Measurement of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatograph and Electrochemical Detection

D7607/D7607M-19 Standard Test Method for Analysis of Oxygen in Gaseous Fuels (Electrochemical Sensor Method)

D7904-21 Standard Test Method for Determination of Water Vapor (Moisture Concentration) in Natural Gas by Tunable Diode Laser Spectroscopy (TDLAS)

D7940-21 Standard Practice for Analysis of Liquefied Natural Gas (LNG) by Fiber-Coupled Raman Spectroscopy

D8000-15(2020) Standard Practice for Flow Conditioning of Natural Gas and Liquids

D8455-22 Standard Test Method for Speciated Siloxane GC-IMS Analyzer Based On-line for Siloxane and Trimethylsilanol Content of Gaseous Fuels

D8488-22 Standard Test Method for Determination of Hydrogen Sulfide (H2S) in Natural Gas by Tunable Diode Laser Spectroscopy (TDLAS)