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| ICP-AES测定纯金饰品中的痕量钯及其不确定度评估 |
| Determination of Trace Palladium in Pure Golden Jewelry by ICP-AES and Evaluation of Uncertainty |
| Received:May 02, 2013 |
| DOI： |
| 中文关键词: 分析化学 电感耦合等离子体-原子发射光谱法 纯金饰品 钯 A类不确定度 |
| 英文关键词: analytical chemistry ICP-AES method pure golden jewelry palladium uncertainties of type A |
| 基金项目:国家质检总局科技计划(质量技术监督)项目(2011QK226)、山东省质量技术监督局科研项目(2011KY02)。 |
| Author Name | Affiliation | E-mail | | ZHANG Fengxia | National Gold and Diamond Testing Center of China, Shandong Provincial Key Laboratory of Metrology and Measurement, Shandong Institute of Metrology, Ji’ nan 250014, China | zhfenxia@163.com | | LIU Haibin | National Gold and Diamond Testing Center of China, Shandong Provincial Key Laboratory of Metrology and Measurement, Shandong Institute of Metrology, Ji’ nan 250014, China | | | LI Guihua | National Gold and Diamond Testing Center of China, Shandong Provincial Key Laboratory of Metrology and Measurement, Shandong Institute of Metrology, Ji’ nan 250014, China | | | WANG Ping | National Gold and Diamond Testing Center of China, Shandong Provincial Key Laboratory of Metrology and Measurement, Shandong Institute of Metrology, Ji’ nan 250014, China | | | WANG Yue | National Gold and Diamond Testing Center of China, Shandong Provincial Key Laboratory of Metrology and Measurement, Shandong Institute of Metrology, Ji’ nan 250014, China | |
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| 中文摘要: |
| 建立了王水溶解纯金样品、标准基体匹配、电感耦合等离子体发射光谱(ICP-AES)测定纯金饰品中痕量钯元素的定量分析方法。该方法具有简便、快速、灵敏度高、重现性好等优点。方法检出限为0.08 μg/g，加标回收率为104%，相对标准偏差(RSD)为7.52%，A类不确定度为0.0119 mg/L。 |
| 英文摘要: |
| The quantitative analysis method of trace palladium element in pure golden jewelry with inductively coupled plasma- atomic emission spectrometry (ICP-AES) was established. The samples were dissolved in aqua regia and Pd solution was matched with gold matrix. And then detected by ICP-AES. The test method proved better sensitivity，lower uncertainty and good accuracy, but also the test speed can be improved enormously. The analytical results showed that the detection limit of palladium trace element was 0.08 μg/g．The recovery rates of the studied elements was 104%．The relative standard deviations (RSD) of the method was 7.52％. The uncertainties of type A was 0.0119 mg/L. |
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