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ISO 501:2025 | 1 May 2025 | BSI Knowledge
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ISO 501:2025
Hard coal. Determination of the crucible swelling number
Current
•
Published:
1 May 2025
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1 Scope
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).
Product Details
Descriptors
Coal products
Solid fuels
Coal
Coal technology
ICS Codes
73.040 Coals
75.160.10 Solid fuels
Committee
W/-
International relationships
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ISBN
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Publisher
ISO