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ISO/CD 925

Solid mineral fuels — Determination of carbonate carbon content — Gravimetric method

General information

30.99     Feb 2, 2026

ISO

ISO/TC 27/SC 5

International Standard

Scope

This document specifies a gravimetric method of determining the carbon in the mineral carbonates associated with solid mineral fuels.
NOTE The result obtained will include any carbon from atmospheric carbon dioxide absorbed by the fuel.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 925:2019

NOW

IN_DEVELOPMENT
ISO/CD 925
30.99 CD approved for registration as DIS
Feb 2, 2026