0

ISO 501:2025

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

Publication date:   May 1, 2025

General information

60.60   Standard published   May 1, 2025

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

73.040   Coals | 75.160.10   Solid fuels

Buying

Published

Language in which you want to receive the document.

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).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 501:2012

NOW

PUBLISHED
ISO 501:2025
60.60 Standard published
May 1, 2025




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.

Google Play App Store Web Version