| 电感耦合等离子体发射光谱法同时测定卤水中锂钠钾钙镁硼硫氯 |
| |
| 引用本文： | 郭琳,赵怀颖,温宏利,巩爱华,孙红宾.电感耦合等离子体发射光谱法同时测定卤水中锂钠钾钙镁硼硫氯[J].岩矿测试,2012,31(5):824-828. |
| |
| 作者姓名： | 郭琳 赵怀颖 温宏利 巩爱华 孙红宾 |
| |
| 作者单位： | 国家地质实验测试中心, 北京 100037;国家地质实验测试中心, 北京 100037;国家地质实验测试中心, 北京 100037;国家地质实验测试中心, 北京 100037;国家地质实验测试中心, 北京 100037 |
| |
| 基金项目： | 国家地质实验测试中心基本科研业务费项目(201012CSJ06) |
| |
| 摘 要： | 建立了电感耦合等离子体发射光谱法(ICP-AES)同时测定碳酸盐型、硫酸盐型、氯化物型三种类型卤水中Li、Na、K、Ca、Mg、B、S、Cl等高低含量元素的分析方法。选择仪器最佳的工作条件为射频功率1400W,炬管位置位于-3,载气流量0.60 L/min。确定了各元素测定谱线,使用ICP-AES的双向观测模式、轴向观测模式测定Li、Ca、B、S、Cl以及低含量的K、Mg,径向观测模式测定高含量的Na、K、Mg,可确保卤水中不同含量的元素同时检出。Li、Na、K、Ca、Mg、B、S的检测下限为0.07～3.00 mg/L,Cl的测定下限为165mg/L。方法精密度(RSD,n=10)均小于5%,回收率为92.4%～109.7%。其中Na、K、Mg、S、Cl测定结果与传统方法测定结果基本吻合。
|
| 关 键 词： | 卤水 多元素同时测定 电感耦合等离子体发射光谱法 |
| 收稿时间： | 2011/11/22 0:00:00 |
Simulataneous Determination of Li, Na, K, Ca, Mg, B, S, Cl in Brine by Inductively Coupled Plasma-Atomic Emission Spectrometry |
| |
| GUO Lin,ZHAO Huai-ying,WEN Hong-li,GONG Ai-hua and SUN Hong-bin.Simulataneous Determination of Li, Na, K, Ca, Mg, B, S, Cl in Brine by Inductively Coupled Plasma-Atomic Emission Spectrometry[J].Rock and Mineral Analysis,2012,31(5):824-828. |
| |
| Authors: | GUO Lin ZHAO Huai-ying WEN Hong-li GONG Ai-hua and SUN Hong-bin |
| |
| Institution: | National Research Center for Geoanalysis, Beijing 100037, China;National Research Center for Geoanalysis, Beijing 100037, China;National Research Center for Geoanalysis, Beijing 100037, China;National Research Center for Geoanalysis, Beijing 100037, China;National Research Center for Geoanalysis, Beijing 100037, China |
| |
| Abstract: | As reported in this paper, lithium, sodium, potassium, calcium, magnesium, boron, sulfur and chlorine in brine were determined by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES). Test conditions were optimized, such as the RF power of 1400 W, the torch tube position of -3 and the carrier gas flow rate of 0.60 L/min. The correct analytic lines were selected. According to the ICP-AES in two-way observation mode, low contents of Mg, K, Ca, S, Cl, B and Li were determined by using axial observation and high content of Na, K and Mg were determined with radial observation, which ensured the simultaneous determination of multi-elements in brine. Detection limits of Li, Na, K, Ca, Mg, B and S were 0.07~3.00 mg/L, and the detection limit of Cl was 165 mg/L. The results indicated that the relative standard deviation for all elements was less than 5% in the accuracy test. The recoveries of standard addition were between 92.4% and 109.7% in this method. The determination results of Na, K, Mg, S and Cl were in good agreement with the results of traditional methods. |
| |
| Keywords: | brine simultaneous determination of multi-elements Inductively Coupled Plasma-Atomic Emission Spectrometry |
| 本文献已被 CNKI 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 |
|
