Status : Withdrawn

This standard has been revised by ISO 10378:2005

Abstract

Fire assaying comprises the following steps: crucible fusion, cupellation, parting (followed by flame atomic absorption spectrometry), retreatment, correction for blank contamination. The method is applicable for copper sulfide concentrates containing 15 % (m/m) to 60 % (m/m) copper, mainly in the form of chalcopyrite and related sulfide minerals, and gold contents from 0,5 g/t to 300 g/t and silver contents from 25 g/t to 1500 g/t.

General information

  • Status
     : Withdrawn
    Publication date
     : 1994-06
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 27
  • Technical Committee :
    ISO/TC 183
    ICS :
    73.060.99 
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