GOST 31371.1-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 1. Guidelines for tailored analysis
GOST 31371.2-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 2. Measuring-system characteristics and statistics for processing of data
GOST 31371.3-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 3. Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns
GOST 31371.4-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 4. Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
GOST 31371.5-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 5. Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns
GOST 31371.6-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 6. Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns
GOST 31371.7-2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 7. Measurement procedure of the mole fraction of components
GOST 8.417-2002 State system for ensuring the uniformity of measurements. Units of quantities