ISO 501:2012

Hard coal — Determination of the crucible swelling number

Publication date: Aug 16, 2012

95.99 Withdrawal of Standard May 1, 2025

General information

Current stage: 95.99 Effective date: May 1, 2025

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040

Languages: English

Buying

Status: Withdrawn

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Scope

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).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 501:2003

NOW

WITHDRAWN
ISO 501:2012
95.99 Withdrawal of Standard
May 1, 2025

REVISED BY

PUBLISHED
ISO 501:2025