NF ISO 20729, X20-518 (04/2018)

NF ISO 20729, X20-518 (04/2018)

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Natural gas - Determination of sulfur compounds - Determination of total sulfur content by ultraviolet fluorescence method - Gaz naturel - Détermination des composés soufrés - Détermination de la teneur en soufre total par fluorescence UV

€58.62

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NF EN ISO 6974-3, X20-510-3 (11/2018)

NF EN ISO 6974-3, X20-510-3 (11/2018)

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Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3 : Precision and bias

€58.62

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NF ISO 20676, X20-546 (06/2019)

NF ISO 20676, X20-546 (06/2019)

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Natural gas - Upstream area - Determination of hydrogen sulfide content by laser absorption spectroscopy

€75.67

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NF EN 13423, M60-003 (02/2021)

NF EN 13423, M60-003 (02/2021)

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Natural gas vehicles - Requirements for NGV workshops and the management of compressed natural gas (CNG) vehicles

€107.33

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NF EN ISO 15971, X20-515 (05/2014)

NF EN ISO 15971, X20-515 (05/2014)

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Natural gas - Measurement of properties - Calorific value and wobbe index - Gaz naturel

€110.46

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NF EN ISO 15970, X20-517 (05/2014)

NF EN ISO 15970, X20-517 (05/2014)

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Natural gas - Measurement of properties - Volumetric properties : density, pressure, temperature and compression factor - Gaz naturel

€100.63

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NF EN ISO 6974-1, X20-510-1 (08/2012)

NF EN ISO 6974-1, X20-510-1 (08/2012)

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Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1 : general guidelines and calculation of composition - Gaz naturel

€91.50

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NF EN ISO 13734, X20-527 (12/2013)

NF EN ISO 13734, X20-527 (12/2013)

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Natural gas - Organic components used as odorants - Requirements and test methods - Gaz naturel

€51.24

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NF EN ISO 16903, M51-001 (09/2015)

NF EN ISO 16903, M51-001 (09/2015)

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Petroleum and natural gas industries - Characteristics of LNG, influencing the design, and material selection

€64.01

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NF EN ISO 6976, X20-522 (06/2017)

NF EN ISO 6976, X20-522 (06/2017)

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Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition - Gaz naturel - Calcul du pouvoir calorifique, de la masse volumique, de la densité relative et de l'indice de Wobbe à partir de la composition

€126.36

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NF EN ISO 16960, X20-514 (11/2014)

NF EN ISO 16960, X20-514 (11/2014)

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Natural gas - Determination of sulfur compounds - Determination of total sulfur by oxidative microcoulometry method - Gaz naturel

€51.24

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UNE-EN ISO 10715:2001

UNE-EN ISO 10715:2001

Superseded Historical

Natural gas - Sampling guidelines. (ISO 10715:1997)

€94.00

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UNE-EN ISO 6974-4:2003

UNE-EN ISO 6974-4:2003

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Natural 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 columns. (ISO 6974-4:2000)

€62.00

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UNE-EN ISO 6974-3:2003

UNE-EN ISO 6974-3:2003

Superseded Historical

Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns. (ISO 6974-3:2000)

€69.00

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UNE-EN ISO 11541:2003

UNE-EN ISO 11541:2003

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Natural gas - Determination of water content at high pressure (ISO 11541:1997)

€58.00

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