| 离子色谱法测定多聚磷酸盐中微量氯离子含量 |
| |
| 引用本文： | 周贻兵,林野,刘利亚,张卫国,张明时. 离子色谱法测定多聚磷酸盐中微量氯离子含量[J]. 微量元素与健康研究, 2012, 29(4): 51-52 |
| |
| 作者姓名： | 周贻兵 林野 刘利亚 张卫国 张明时 |
| |
| 作者单位： | 1. 贵州省疾病预防控制中心,贵阳,550004
2. 贵州师范大学山地环境保护重点实验室,贵阳,550001 |
| |
| 摘 要： | 多聚磷酸盐样品,用少量超纯水超声溶解,定容到100 ml,过0.22μm尼龙滤膜,取25μl试样进离子色谱分析测定其微量的氯离子含量,对离子色谱测定的条件进行了优化,该方法的氯离子在0.5~20 mg/L浓度范围内具有良好的线性关系,相关系数为0.9998。方法的最低检出浓度为0.005 mg/L,加入高、中、低三个浓度水平的氯离子测定其加标回收率在94.7%~97.5%之间。方法能简便、快速、准确测定多聚磷酸盐中微量氯离子的含量。
|
| 关 键 词： | 氯离子 离子色谱 多聚磷酸盐 |
Determination of trace amounts of chloride ion in polyphosphate samples by ion chromatography |
| |
| ZHOU Yi-bing , LIN Ye , LIU Li-ya , ZHANG Wei-guo , ZHANG Ming-shi. Determination of trace amounts of chloride ion in polyphosphate samples by ion chromatography[J]. Studies of Trace Elements and Health, 2012, 29(4): 51-52 |
| |
| Authors: | ZHOU Yi-bing LIN Ye LIU Li-ya ZHANG Wei-guo ZHANG Ming-shi |
| |
| Affiliation: | ZHOU Yi - bing1, LIN Ye1, LIU Li - ya1, ZHANG Wei - guoI, ZHANG Ming - shi2 (1. Guizhou provincial Center For Disease Control And Prevention Guiyang, Guizhou, 550004;＇ 2. Guizhou Provincial Laboratory for Mountainous Environment, Guizhou Normal University, Guiyang, Guizhou , 550001, China ) |
| |
| Abstract: | Trace amount of chloride in 25μl processed polyphosphate samples were analyze by IC （ion chromatography） instrument after condition optimization, and the samples were dealt by dissolving in a small amount of ultra - pure water with aid of ultrasonic, fixing 100μl and then filtering with 0.22μm nylon membrane. There was good linearity relation in the concentration between 0.5 - 20 mg/L, correlation coefficient for the method was 0. 9998, minimum detectable concentration was 0. 005 mg/L, spiked recovery was between 94.7 % --97.5 % when three levels of chloride ion concentration were added. The method was simple, rapid, accurate for trace chlorine determination in polyphosphates. |
| |
| Keywords: | chloride ion ion chromatography polyphosphate |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
