Abstract

Specifies a gravimetric method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness stated in ISO 9202. The procedure applies specifically to platinum alloys incorporating palladium, iridium, rhodium, copper, cobalt, gold, ruthenium, gallium, chromium, indium and less than 5 % tungsten. Some modifications are indicated where palladium, iridium, rhodium, gold or ruthenium are present.


General information 

  • Status
     :  Withdrawn
    Publication date
     : 1995-04
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee
     : ISO/TC 174 Jewellery and precious metals
  • ICS
     :
    39.060 Jewellery

Life cycle


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