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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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 / Amendments
PublishedISO 157:1996/Cor 1:1999
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00
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Will be replaced by
Under developmentISO/CD 157
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