ISO 501:2025
ISO 501:2025 Hard coal — Determination of the crucible swelling number
CDN $125.00
This publication was last reviewed and confirmed in 2025.
Hard coal — Determination of the crucible swelling number
Description
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).
Edition
5
Published Date
2026-06-18
Status
PUBLISHED
Pages
7
Language
English
Format
Secure PDF
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Abstract
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).
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