Shfuqizuar
ISO 501:2012 specifies a method for determining the swelling properties of hard coal when heated in a covered crucible.
The "crucible swelling number" (CSN) is also known as the "free swelling index" (FSI).
WITHDRAWN
ISO 501:2003
WITHDRAWN
ISO 501:2012
95.99
Withdrawal of Standard
1 maj 2025
PUBLISHED
ISO 501:2025