| 应用氢化物发生-原子荧光光谱法测定土壤中砷的方法研究 |
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| 引用本文： | 金丽莉,胡伟滨.应用氢化物发生-原子荧光光谱法测定土壤中砷的方法研究[J].内蒙古环境科学,2008,20(4). |
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| 作者姓名： | 金丽莉 胡伟滨 |
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| 作者单位： | [1]辽宁省葫芦岛市环境监测中心站 [2]辽宁省葫芦岛市环境保护科研所 |
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| 摘 要： | 本文主要讨论应用氢化物发生-原子荧光光谱法,测定土壤中砷的技术。用硝酸-高氯酸分解法对样品进行预处理,探讨了共存离子对测定的影响及干扰的消除,分析了土壤标样Ess-2、Ess-3,进行了方法精密度和回收率试验。在经过优化的试验条件下,砷的检出限:0.02ug/L。回收率在91%~107%之间,相对标准偏差小于或等于7.8%。土壤标样Ess-2、Ess-3测定值与标准值相符,相对标准偏差也低于10%。表明将该法用于土壤中砷的测定操作简便、快速基体干扰少、灵敏度高、分析结果稳定可靠。
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| 关 键 词： | 氢化物发生 原子荧光法 土壤 总砷 |
THE METHOD RESEARCH ON DETERMINATION OF AS IN SOIL WITH, HYDRIDE REACTION- ATOMIC FLUORESCENCE |
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| JIN Lili,HU Weibin.THE METHOD RESEARCH ON DETERMINATION OF AS IN SOIL WITH, HYDRIDE REACTION- ATOMIC FLUORESCENCE[J].Inner Mongolia Environmental Protection,2008,20(4). |
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| Authors: | JIN Lili HU Weibin |
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| Institution: | JIN Lili1 HU Weibin2(1 Hu Lu Dao city Environmental Monitoring Station of Liao Ning Province; Hu Lu Dao 125001; 2 Hu Lu Dao city Institute of Environmental Sciences of Liao Ning Province; Hu Lu Dao 125001); |
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| Abstract: | The technology of determination of As in soil with hydride reaction-atomic fluorescence is discussed.Under the optimal experimental conditions,the examined value of As is 0.02ug/L,and recycling rate is from 91% to 107%,the error compared standard is lower than or equal 7.8%.It showed that characteristics of this method are simple operation,low disturbance and reliable analyzed result. |
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| Keywords: | hydride reaction atomic fluorescence soil total As |
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