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.
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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/DIS 157
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