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ISO 540:2025

Hard coal — Determination of ash fusibility

General information

Valid from 08.08.2025
Directives or regulations
None

Standard history

Status
Date
Type
Name
08.08.2025
Main
28.05.2008
Main
This document specifies a method of determining the characteristic fusion temperatures of ash from hard coal.
NOTE            Descriptors: fossil fuels, ash, ashes, tests, high temperature tests, determination, and fusibility.

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