ISO/TR 12148:2009

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Natural gas — Calibration of chilled mirror type instruments for hydrocarbon dewpoint (liquid formation)

ISO/TR 12148:2009 refers to an International Standard published by the International Organization for Standardization (ISO) that outlines the guidelines for calibrating chilled mirror type instruments used to measure the hydrocarbon dew point of natural gas, essentially determining the temperature at which liquid hydrocarbons will start to condense from the gas mixture; it primarily focuses on using the indirect automatic weighing method to determine the potential hydrocarbon liquid content of natural gas.