ISO/DIS 157

This Draft International Standard is in the enquiry phase with ISO members.

Will replace ISO 157:1996

ISO/DIS 157

CHF 63

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Abstract

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.

General information

Status
: Under development

You can help develop this draft international standard by contacting your national member

Stage
: DIS ballot initiated: 12 weeks [40.20]
Edition
: 3

Number of pages
: 17
Technical Committee :
ISO/TC 27/SC 5

ICS :
73.040
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