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ISO 17507-2:2025

Natural gas — Calculation of methane number of gaseous fuels for reciprocating internal combustion engines — Part 2: PKI method

Dec 9, 2025

General information

60.60     Dec 9, 2025

ISO

ISO/TC 193

International Standard

75.060  

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Scope

This document specifies the PKI method for the calculation of the methane number of a gaseous fuel, using the composition of the gas as sole input for the calculation.
This document applies to natural gas (and biomethane) and their admixtures with hydrogen.

Life cycle

NOW

PUBLISHED
ISO 17507-2:2025
60.60 Standard published
Dec 9, 2025

National adoptions

prSSH EN ISO 17507-2:2025  
DPS

Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 2: PKI method (ISO 17507-2:2025)

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