NF X20-522*NF EN ISO 6976:2017
Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition

Standard No.

NF X20-522*NF EN ISO 6976:2017

Release Date

2017

Published By

Association Francaise de Normalisation

Latest

NF X20-522*NF EN ISO 6976:2017

Replace

NF X20-522:2005

NF X20-522*NF EN ISO 6976:2017 Referenced Document

• ISO 6974-1 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition; Technical Corrigendum 1
• ISO 6974-2 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations

NF X20-522*NF EN ISO 6976:2017 history

• 0000 NF X20-522:2017
• 2005 NF X20-522:2005 Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition.
• 1997 NF X20-522:1997 Natural gas. Calculation of calorific values, density, relative density and Wobbe index from composition.