| P350微色谱柱在线分离富集-火焰原子吸收光谱法测定矿石中痕量金 |
| |
| 引用本文： | 贺攀红,荣耀,龚治湘.P350微色谱柱在线分离富集-火焰原子吸收光谱法测定矿石中痕量金[J].岩矿测试,2011,30(4):457-460. |
| |
| 作者姓名： | 贺攀红 荣耀 龚治湘 |
| |
| 作者单位： | 1. 河南省核工业放射性核素检测中心,河南郑州,450002
2. 珀金埃尔默仪器(上海)有限公司,上海,201203 |
| |
| 摘 要： | 在王水介质条件下,用自行设计的微色谱柱在线分离富集系统分离富集矿石样品中的痕量金,采用火焰原子吸收光谱法进行测定。在原子吸收光谱仪吸喷溶液的流路上,用P350微色谱柱研究了金的分离富集条件,采用快速吸附和快速洗脱技术,以盐酸溶液为淋洗液,亚硫酸钠溶液为洗脱液,测定一个样品整个分离和测定过程仅需1 min,成功地克服了火焰原子吸收光谱法测定金灵敏度低的缺点。方法的相对标准偏差小于3.2%,检出限为0.078μg/g。与现行离线分离富集方法相比,建立的方法具有高效、快速、成本低廉的优点,经实际样品验证获得了较为满意的结果。
|
| 关 键 词： | 痕量金 矿石 火焰原子吸收光谱法 微色谱柱 在线分离富集 |
| 收稿时间： | 8/9/2010 12:00:00 AM |
| 修稿时间： | 2010/11/11 0:00:00 |
Quantification of Trace Gold in Ores by Flame Atomic Absorption Spectrometry with P350 Micro Chromatographic Column Online Separation and Enrichment |
| |
| HE Pan-hong,RONG Yao and GONG Zhi-xiang.Quantification of Trace Gold in Ores by Flame Atomic Absorption Spectrometry with P350 Micro Chromatographic Column Online Separation and Enrichment[J].Rock and Mineral Analysis,2011,30(4):457-460. |
| |
| Authors: | HE Pan-hong RONG Yao and GONG Zhi-xiang |
| |
| Institution: | HE Pan-hong1,RONG Yao1,GONG Zhi-xiang2(1.Henan Nuclear Industry Radioactive Nuclide Test Centre,Zhengzhou 450002,China,2.PerkinElmer Instruments(Shanghai) Co.,Ltd.,Shanghai 201203,China) |
| |
| Abstract: | Using aqua regia as the medium,trace gold was separated from ores by a self-designed micro chromatographic column online separation and enrichment system,and measured by flame atomic absorption spectrometry.The condition of the gold and enrichment with the P350 micro chromatographic column in the process of atomic absorption spectrometry absorbing and effusing solution were optimized.The fast adsorption and elution technology was taken with HCl solution as leacheate and Na2SO3 solution as the eluent.The qua... |
| |
| Keywords: | trace gold ore flame atomic absorption spectrometry micro chromatographic column online separation and enrichment |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《岩矿测试》浏览原始摘要信息 |
| 点击此处可从《岩矿测试》下载免费的PDF全文 |
|
