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Overview EN ISO 12213-2:2009 (identical to ISO 12213-2:2006) defines a standardized method for calculation of the compression factor (z‑factor) of natural gas using a detailed molar‑composition analy…
Overview EN ISO 12213-1:2009 (ISO 12213-1:2006) - Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines - provides the introduction and practical guidelines for calcul…
Overview EN ISO 12213-3:2009 - Natural gas: Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006) specifies a practical method to calculate the compress…
Overview ISO 12213-2:2006 specifies a rigorous method for calculating the compression factor (Z) of natural gas and similar gaseous mixtures when a detailed molar-composition analysis is available. T…
Overview ISO 12213-1:2006 - Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines - provides the introductory framework and practical guidance for calculating the comp…
Overview ISO 12213-3:2006 - Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties - specifies a robust method to calculate the compression factor (Z) of natu…