ISO 2950:2025Published

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

Charbons bruns et lignites — Classification en types, d'après la fraction massique d'humidité totale et le rendement en goudron

Abstract / 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

Replaces

ISO 2950:1974WithdrawnBrown coals and lignites — Classification by types on the basis of total moisture content and tar yieldInternational Standard · Published 1 Feb 1974 · ISO/TC 27/SC 5