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ISO 6976:1995

Natural gas -- Calculation of calorific values, density, relative density and Wobbe index from composition

This standard has been reviewed and then confirmed in 2008 
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Specifies methods for the calculation of the superior calorific value and the inferior calorific value, density, relative density and Wobbe index of dry natural gas and other combustible gaseous fuels, when the composition of the gas by mole fraction is known. Replaces the first edition, which has been technically revised.


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