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ISO 501:2025

Hard coal - Determination of the crucible swelling number
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ISO 501:2025

Hard coal - Determination of the crucible swelling number

PUBLISH DATE 2025
ISO 501:2025

This document specifies a method for determining the swelling properties of hard coal when heated in a covered crucible.

NOTE            The "crucible swelling number" (CSN) is also known as the "free swelling index" (FSI).

SDO ISO: International Organization for Standardization
Document Number ISO 501
Publication Date Jan. 1, 2025
Language en - English
Page Count 12
Revision Level
Supercedes
Committee ISO/TC 27/SC 5
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