| ICP-AES法测定金合金首饰中铱元素分析谱线研究 |
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| 引用本文： | 王萍,刘雪松,马霄,山广祺,祝培明. ICP-AES法测定金合金首饰中铱元素分析谱线研究[J]. 分析测试技术与仪器, 2017, 23(2): 100-105. DOI: 10.16495/j.1006-3757.2017.02.006 |
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| 作者姓名： | 王萍 刘雪松 马霄 山广祺 祝培明 |
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| 作者单位： | 1. 国家黄金钻石制品质量监督检验中心,山东 济南 250014;山东省计量科学研究院,山东省计量检测重点实验室,山东 济南 250014;山东省社会公正计量行,山东 济南 250014;2. 国家黄金钻石制品质量监督检验中心,山东 济南 250014;山东省计量科学研究院,山东省计量检测重点实验室,山东 济南 250014;3. 国家黄金钻石制品质量监督检验中心,山东 济南,250014 |
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| 基金项目： | 山东省质监系统科技计划项目（2016KY05） |
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| 摘 要： | 采用电感藕合等离子体发射光谱法(ICP-AES)对金基体溶液中的Ir进行测试,分析讨论了国家标准GB/T21198.4-2007和美国热电Thermo IRIS Intrepid II型ICP光谱仪推荐的几种Ir谱线在金基体中的干扰问题.综合谱线强度、灵敏度、标准曲线相关系数、光强值、干扰谱线位置等因素,确定212.681 nm是该型ICP光谱仪测定金首饰中Ir元素的最佳谱线.
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| 关 键 词： | 电感藕合等离子体发射光谱 金合金 铱 谱线选择 |
| 收稿时间： | 2017-03-20 |
| 修稿时间： | 2017-04-19 |
Study on Spectral Lines of Determination of Iridium in Gold Alloy Jewelry by ICP-AES |
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| WANG Ping,LIU Xue-song,MA Xiao,SHAN Guang-qi and ZHU Pei-ming. Study on Spectral Lines of Determination of Iridium in Gold Alloy Jewelry by ICP-AES[J]. Analysis and Testing Technology and Instruments, 2017, 23(2): 100-105. DOI: 10.16495/j.1006-3757.2017.02.006 |
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| Authors: | WANG Ping LIU Xue-song MA Xiao SHAN Guang-qi ZHU Pei-ming |
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| Affiliation: | National Gold & Diamond Testing Center, Jinan 250014, China;Shandong Institute of Metrology, Shandong Provincial Key Laboratory of Metrology and Measurement, Jinan 250014, China;Social Justice and Measurement Station of Shandong Province, Jinan 250014, China;National Gold & Diamond Testing Center, Jinan 250014, China;Shandong Institute of Metrology, Shandong Provincial Key Laboratory of Metrology and Measurement, Jinan 250014, China;National Gold & Diamond Testing Center, Jinan 250014, China;Shandong Institute of Metrology, Shandong Provincial Key Laboratory of Metrology and Measurement, Jinan 250014, China;National Gold & Diamond Testing Center, Jinan 250014, China;Shandong Institute of Metrology, Shandong Provincial Key Laboratory of Metrology and Measurement, Jinan 250014, China;Social Justice and Measurement Station of Shandong Province, Jinan 250014, China;National Gold & Diamond Testing Center, Jinan 250014, China |
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| Abstract: | ICP-AES was employed to measure Ir in gold matrix standard solutions.The recommended several Ir spectral lines of National standard GB/T21198.4-2007 and Thermo IRIS Intrepid II ICP spectrometer were analyzed and discussed.The interference problems in the gold matrix were compared.After comprehensive study of spectral line intensity, sensitivity, standard curve correlation coefficient, light intensity value, interference line position and other factors, 212.681 nm has been confirmed as the best spectral line for testing Ir element in gold jewelry by this model of ICP spectrometer. |
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| Keywords: | ICP-AES gold alloy Iridium line selection |
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