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ISO 501:2025

Hard coal — Determination of the crucible swelling number

Standard Details

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).

General Information

Status : Published
Standard Type: Main
Document No: ISO 501:2025
Document Year: 2025
Pages: 7
Edition: 5

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ISO 501:2025

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