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ISO/NP 22813

ISO 22813 Natural gas — Liquefied Natural Gas -Determination of composition and associated uncertainty by sensor technology

General information

10.20     Jul 26, 2024

ISO

ISO/TC 193/SC 1

International Standard

Scope

This document describes a method for determination of the mole fractions of C1 to C5 hydrocarbons and nitrogen in LNG. Procedures for the calculation of the uncertainty of the mole fractions obtained are also given.
The results can be used as input for the calculation of natural gas properties, such as caloric value, (relative) density and/or Wobbe indices.
Requirements for installation, calibration and validation of the analyser are specified.
This document also gives guidance on performance evaluation of a Raman analyser system and typical performance limits expected in LNG custody transfer.

Life cycle

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IN_DEVELOPMENT
ISO/NP 22813
10.20 New project ballot initiated
Jul 26, 2024

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