90.92 Standard to be revised Feb 2, 2026
ISO
ISO/TC 27/SC 5 Methods of analysis
Technical Specification
This document specifies methods for the determination of thermal stability and thermal fragmentation of coal. It is applicable to brown coal and lignites, anthracites and bituminous coal with a caking index of zero (determined by ISO 15585).
PUBLISHED
ISO/TS 4667:2022
90.92
Standard to be revised
Feb 2, 2026
IN_DEVELOPMENT
ISO/CD TS 4667