ISO/FDIS 157

Coal — Determination of forms of sulfur

General information

Current stage: 50.00 Final text received or FDIS registered for formal approval Nov 21, 2024

Originator: ISO

Owner: ISO/TC 27/SC 5 Methods of analysis

Type: International Standard

ICS: 73.040 Coals

Scope

Specifies methods of determining the sulfate and pyrite sulfur contents of coals, including brown coals and methods of calculating the amount of organic sulfur present. Replaces the first edition.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 157:1996

PUBLISHED
ISO 157:1996/Cor 1:1999

NOW

IN_DEVELOPMENT
ISO/FDIS 157
50.00 Final text received or FDIS registered for formal approval
Nov 21, 2024