OTHER
ISO/FDIS 501
Hard coal — Determination of the crucible swelling number
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).
📄 Document
Title: APPLICATION FORM OF ISO/FDIS 501
📜 Document Instructions:
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