EN ISO 6974-2:2012
Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)

Standard No.

EN ISO 6974-2:2012

Release Date

2012

Published By

European Committee for Standardization (CEN)

Latest

EN ISO 6974-2:2012

Replace

BS EN ISO 6974-1:2001 BS EN ISO 6974-2:2002

Scope

This part of ISO 6974 describes the process required to determine the uncertainty associated with the molefraction for each component from a natural gas analysis in accordance with ISO 6974-1.

EN ISO 6974-2:2012 Referenced Document

• ISO 6974-1:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition
• ISO/IEC Guide 98-3 Uncertainty of measurement - Guide to the expression of uncertainty in measurement (GUM:1995). Extension to any number of output quantities

EN ISO 6974-2:2012 history

• 2012 EN ISO 6974-2:2012 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)
• 2002 EN ISO 6974-2:2002 Natural Gas - Determination of Composition with Defined Uncertainty by Gas Chromatography - Part 2: Measuring-System Characteristics and Statistics for Processing of Data