Reference number
ISO 622:2016
© ISO 2025
International Standard
ISO 622:2016
Solid mineral fuels — Determination of phosphorus content — Reduced molybdophosphate photometric method
Edition 2
2016-11
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Published (Edition 2, 2016)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 622:2016

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Format
CHF 43
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Abstract

ISO 622:2016 specifies a reduced molybdophosphate photometric method for the determination of the total phosphorus content of hard coal, lignites and coke. Two methods for taking the phosphorus into solution are specified, namely extraction from the coal or coke ash with acid or by repeated oxidation of the coal or coke, by acid, to remove carbonaceous matter.

General information

  • Status
     : Published
    Publication date
     : 2016-11
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 2
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 27/SC 5
    ICS :
    75.160.10 
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