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GB/T 38130-2019 鉑合金首飾鉑含量的測(cè)定釔內(nèi)標(biāo)ICP光譜法 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 鋪地織物利用威特曼鼓輪和六足滾筒試驗(yàn)儀產(chǎn)生的外觀變化 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首飾貴金屬含量的測(cè)定 ICP差減法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