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Overview SIST ISO 2950:1998 provides an internationally recognized system for the classification of brown coals and lignites. This standard, developed by the International Organization for Standardiz…
1 Scope This document establishes a classification of brown coals and lignites by types on the basis of total moisture mass fraction and tar yield.
Overview ISO 2950:1974 is an international standard developed by the International Organization for Standardization (ISO) that provides a systematic classification of brown coals and lignites. The cl…
Overview ISO 2950:2025 - Brown coals and lignites - Classification by types on the basis of total moisture mass fraction and tar yield establishes a standardized system to classify brown coals and li…
