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ISO 157:2025

Coal — Determination of forms of sulfur

General information

Valid from 15.05.2025
ICS Groups
73.040 Coals
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.05.2025
Main
23.05.1996
Main
This document specifies methods of determining the sulfate and pyritic sulfur mass fraction of coals, and of calculating the amount of organic sulfur present.

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Standard monitoring

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