當(dāng)前位置：
首頁 >
標(biāo)準(zhǔn)詳情頁
NEN-EN-ISO 11494:2019現(xiàn)行
Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element
出版：Netherlands Standards
專家解讀視頻
基本信息
標(biāo)準(zhǔn)編號： NEN-EN-ISO 11494:2019
標(biāo)準(zhǔn)類別：Standard
出版單位：Netherlands Standards
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
NEN-EN-ISO 11494?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.
本標(biāo)準(zhǔn)替代的舊標(biāo)準(zhǔn)
等同采用的國際標(biāo)準(zhǔn)
ISO 11494:2019 - Identical
EN ISO 11494:2019 - Identical
EN ISO 11494:2019 - Identical
ISO 11494:2019 - Identical
