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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…
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 12213-2:2006 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…