Registration number (WIID)Project No.TitleStatus
31799ISO 18453:2004Natural gas — Correlation between water content and water dew pointStandarts spēkā
25855ISO 6974-4:2000Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columnsStandarts spēkā
55842ISO 6976:2016Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionStandarts spēkā
44412ISO 12213-3:2006Natural gas — Calculation of compression factor — Part 3: Calculation using physical propertiesStandarts spēkā
26238ISO 6974-6:2002Natural 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 columnsStandarts spēkā
68924ISO 20729:2017Natural gas — Determination of sulfur compounds — Determination of total sulfur content by ultraviolet fluorescence methodStandarts spēkā
19495ISO 11541:1997Natural gas — Determination of water content at high pressureStandarts spēkā
38600ISO 6978-1:2003Natural gas — Determination of mercury — Part 1: Sampling of mercury by chemisorption on iodineStandarts spēkā
51245ISO/TR 12148:2009Natural gas — Calibration of chilled mirror type instruments for hydrocarbon dewpoint (liquid formation)Standarts spēkā
40263ISO 20765-1:2005Natural gas — Calculation of thermodynamic properties — Part 1: Gas phase properties for transmission and distribution applicationsStandarts spēkā
Displaying 91-100 of 131 results.