Draft
International Standard
ISO/DIS 501
Hard coal — Determination of the crucible swelling number
Reference number
ISO/DIS 501
Edition 5
© ISO 2024
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 501:2012

ISO/DIS 501

Language
Format
CHF 63
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Abstract

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).

General information

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