| 碱消解法测定固体废物中六价铬的研究 |
| |
| 引用本文： | 马微,周勤,朱林珍,王琳,季蕴佳.碱消解法测定固体废物中六价铬的研究[J].环境保护科学,2012,38(6):41-43. |
| |
| 作者姓名： | 马微 周勤 朱林珍 王琳 季蕴佳 |
| |
| 作者单位： | 上海市环境监测中心,上海,200030 |
| |
| 基金项目： | 国家环境保护部国家环境保护标准制修订项目 |
| |
| 摘 要： | 用碱性消解液对固体废物进行预处理,所得消解溶液用火焰原子吸收光谱法进行测定。结果表明:该方法在0.00~8.00mg/L范围内呈良好线性关系,检出限为2.00mg/kg(样品以计2.5g计)。实际样品测定的RSD为1.37%~9.35%,加标回收率为85.5%~125%。消解溶液同时用二苯碳酰二肼分光光度法进行测定,结果显示,两种方法测定的结果没有显著差异,进一步说明了采用火焰原子吸收光谱法测定固体废物中Cr6+的准确性与可靠性。
|
| 关 键 词： | 碱消解 火焰原子吸收光谱 固体废物 Cr~(6+) |
Research on Determination of Hexavalent Chromium in Solid Wastes by Alkaline Digestion |
| |
| Ma Wei, Zhou Qin, Zhu Linzhen, Wang Lin,Ji Yunjia.Research on Determination of Hexavalent Chromium in Solid Wastes by Alkaline Digestion[J].Environmental Protection Science,2012,38(6):41-43. |
| |
| Authors: | Ma Wei Zhou Qin Zhu Linzhen Wang Lin Ji Yunjia |
| |
| Institution: | Ma Wei, Zhou Qin, Zhu Linzhen, Wang Lin,Ji Yunjia |
| |
| Abstract: | Solid wastes were digested with alkaline solution and determined by flame atomic absorption spectrometry. The results showed that, the method had a good linear relation in the range of 0.00~8.00 mg/L.The detection limit was 2.00 mg/kg (sample:2.5g). RSD of the samples was in the range of 1.37%~9.35% and recoveries were in the range of 85.5%~125%. It was compared with dipehenylcarbohydrazide spectrophotometry in measuring Cr6+. The results showed that: there were no obvious difference in two methods, which indicated the accuracy and reliability of determining Cr6+ in solid wastes by flame atomic absorption spectrometry. |
| |
| Keywords: | Alkaline Digestion Flame Atomic Absorption Spectrometry Solid Wastes Cr6+ |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
