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prEVS-ISO 157

Coal — Determination of forms of sulfur (ISO 157:2025, identical)

General information

Draft. Expected publication date is 10.2026
Base Documents
ISO 157:2025
ICS Groups
73.040 Coals
Directives or regulations
None

Standard history

Status
Date
Type
Name
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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