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
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Status: PublishedPublication date: 1996-06Stage: International Standard to be revised [90.92]
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Edition: 2Number of pages: 15
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Technical Committee :ISO/TC 27/SC 5ICS :73.040
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Draft International Standard
ISO/DIS 157
Coal — Determination of forms of sulfur
Reference number
ISO/DIS 157
ISO/DIS 157
Edition 1
© ISO 2024
Draft
International StandardISO/DIS 157
Coal — Determination of forms of sulfur
Life cycle
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Previously
WithdrawnISO 157:1975
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Now
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00
Preliminary
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10
Proposal
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20
Preparatory
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30
Committee
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40
Enquiry
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50
Approval
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60
Publication
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90
Review
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95
Withdrawal
Corrigenda
Correct the current edition; free; not included in the text of the existing standard.PublishedISO 157:1996/Cor 1:1999
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00
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Will be replaced by
Under developmentISO/DIS 157
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