ISO 501:1981
Coal; Determination of the crucible swelling number

Standard No.

ISO 501:1981

Release Date

1981

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 501:2003

Latest

ISO 501:2012

ISO 501:1981 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