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I.S. 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 (ISO 11494:2019)

出版:National Standards Authority of Ireland

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基本信息
標(biāo)準(zhǔn)編號(hào): I.S. EN ISO 11494:2019
標(biāo)準(zhǔn)類別:Standard
出版單位:National Standards Authority of Ireland
標(biāo)準(zhǔn)頁(yè)數(shù):0
標(biāo)準(zhǔn)簡(jiǎn)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.

本標(biāo)準(zhǔn)替代的舊標(biāo)準(zhǔn)

I.S. EN ISO 11494:2016

等同采用的國(guó)際標(biāo)準(zhǔn)

EN ISO 11494:2019 - Identical

ISO 11494:2019 - Identical

EN ISO 11494:2019 - Identical

ISO 11494:2019 - Identical