ISO-11494 › Historical Revision Information
Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element
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This document describes an analytical procedure for the determination of platinum in platinum alloys with a nominal content up to 990 â.° (parts per thousand), including alloys according to ISO 9202.
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Document Number
ISO 11494:2019
Revision Level
3RD EDITION
Status
Current
Publication Date
July 1, 2019
Committee Number
ISO/TC 174