90.92 Standard to be revised Oct 11, 2023
ISO
ISO/TC 27/SC 1 Coal preparation: Terminology and performance
International Standard
73.040 Coals
Published
ISO 20905:2004 sets out a laboratory procedure for the dust testing of higher rank coals. The procedure defines a means of evaluating the dust/moisture relationship characteristic of a coal and a dust extinction moisture (DEM).
PUBLISHED
ISO 20905:2004
90.92
Standard to be revised
Oct 11, 2023
IN_DEVELOPMENT
ISO/FDIS 20905