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GB/T 38130-2019 铂合金首饰铂含量的测定钇内标ICP光谱法 Platinum jewellery alloys-Determination of platinum-...2023-07-24

DIN CEN/TS 17197-2019 Construction products - Assessment of release of dangerous substances - Analysis of i...2023-07-14

BS EN 10361-2015 铺地织物利用威特曼鼓轮和六足滚筒试验仪产生的外观变化 Alloyed steels. Determination of nick...2023-04-29

BS EN ISO 5398-4-2019 Leather. Chemical determination of chromic oxide content. Quantification by inductivel...2023-04-24

GB/T 40114-2021首饰贵金属含量的测定 ICP差减法Jewellery—Determination of precious metal content—...2023-04-22

Determination of trace multi-elements in coal fly ash by inductively coupled plasma mass spectrometr2020-06-12