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ISO 2950:2025

Brown coals and lignites — Classification by types on the basis of total moisture mass fraction and tar yield

Publication date:   Oct 23, 2025

General information

60.60   Standard published   Oct 23, 2025

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

73.040   Coals

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Scope

This document establishes a classification of brown coals and lignites by types on the basis of total moisture mass fraction and tar yield.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 2950:1974

NOW

PUBLISHED
ISO 2950:2025
60.60 Standard published
Oct 23, 2025