ISO 20905:2004
Coal preparation - Determination of dust/moisture relationship for coal

Standard No.

ISO 20905:2004

Release Date

2004

Published By

International Organization for Standardization (ISO)

Latest

ISO 20905:2004

Scope

This International Standard 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). NOTE In this standard, an experimental dust number of 10 has been used in the example given in Annex A.

ISO 20905:2004 Referenced Document

• ISO 1953 Hard coal - Size analysis by sieving*， 2015-11-15 Update
• ISO 589 Hard coal - Determination of total moisture*， 2008-11-01 Update
• ISO 7886-1 Sterile hypodermic syringes for single use — Part 1: Syringes for manual use*， 2019-08-01 Update

ISO 20905:2004 history

• 2004 ISO 20905:2004 Coal preparation - Determination of dust/moisture relationship for coal