ISO 501:2012
Hard coal - Determination of the crucible swelling number

Standard No.

ISO 501:2012

Release Date

2012

Published By

International Organization for Standardization (ISO)

Latest

ISO 501:2012

Scope

This International Standard specifies a method for determining the swelling properties of hard coal when heated in a covered crucible. NOTE The ”crucible swelling number” (CSNJj is also known as the “free swelling index” (FSJI)，

ISO 501:2012 history

• 2012 ISO 501:2012 Hard coal - Determination of the crucible swelling number
• 2003 ISO 501:2003 Hard coal - Determination of the crucible swelling number
• 1981 ISO 501:1981 Coal; Determination of the crucible swelling number
• 1974 ISO 501:1974 Title missing - Legacy paper document