BS EN ISO 11494:2019現行
Jewellery and precious metals. Determination of platinum in platinum alloys. ICP-OES method using an internal standard element
出版：British Standards Institution
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基本信息
標準編號： BS EN ISO 11494:2019
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準簡介
This document describes an analytical procedure for the determination of platinum in platinum alloys with a nominal content up to 990 ‰ (parts per thousand), including alloys according to ISO 9202.
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