ISO 622:2016
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ISO 622:2016
70208

Status : Published (To be revised)

This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
This standard will be replaced by ISO/DIS 622

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.

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General information

  •  : Published
     : 2016-11
    : International Standard to be revised [90.92]
  •  : 2
     : 6
  • ISO/TC 27/SC 5
    75.160.10 
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