ISO 10378:1994
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ISO 10378:1994
18439

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 

  •  :  Withdrawn
     : 1994-06
  •  : 1
     : 27
  •  : ISO/TC 183 Copper, lead, zinc and nickel ores and concentrates
  •  :
    73.060.99 Other metalliferous minerals

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