Abstract / scope
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).
ISO 20905:2004Withdrawn
Coal preparation — Determination of dust/moisture relationship for coal
Préparation du charbon — Détermination de la relation particules/humidité du charbon
This edition has been replaced by ISO 20905:2024.