X20-522

June 1982

Standard Cancelled

Gas analysis. Calculation of calorific value, density and relative density of natural gas.

Main informations

National standards and national normative documents

June 1982

15 p.

X20-522

71.040.40 Chemical analysis

75.060 Natural gas

X20-522

ISO 6977:1983

Standard replaced by (1)

NF ISO 6976

October 1997

Standard Cancelled

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

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