NEN-EN-ISO 11494
Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 October 2016 |
| Status: | active |
| Page Count: | 25 |
| ICS Code (Jewellery): | 39.060 |
scope:
NEN-EN-ISO 11494 describes a method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness specified in ISO 9202, by means of inductively coupled plasma optical emission spectrometry (ICP-OES). This method applies to platinum jewellery alloys that might contain silver, indium, iridium, gallium, copper, cobalt, nickel, tin, and ruthenium. However, this list is not exhaustive and care is always to be taken to investigate potential interference effects. This method is intended to be used as the recommended method for the determination of fineness in alloys covered by ISO 9202 up to 990 ‰.
Document History
NEN-EN-ISO 11494
October 1, 2016
Jewellery - Determination of platinum in platinum jewellery alloys - ICP-OES method using yttrium as internal standard element
NEN-EN-ISO 11494 describes a method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness specified in ISO 9202, by means of inductively coupled...
September 1, 1999
Determination of platinum in platinum jewellery alloys - Method using inductively coupled plasma emission spectrometry on a solution with yttrium as internal standard
This standard method describes a procedure for the determination of platinum in jewellery platinum alloys preferably within the range of fineness as stated in ISO 9202 using inductively coupled...