Abstract

ISO 11723:2004 specifies a method using Eschka's mixture during ashing, extraction of the ash residue with acid, and hydride generation atomic absorption spectrometry or hydride generation atomic fluorescence spectrometry, for the determination of arsenic and selenium in coal and coke ash.


General information 

  • Status
     :  Withdrawn
    Publication date
     : 2004-11
  • Edition
     : 1
    Number of pages
     : 6
  • Technical Committee
     : ISO/TC 27/SC 5 Methods of analysis
  • ICS
     :
    73.040 Coals

Life cycle


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