| 连续流动氢化物发生原子荧光法测定水中硒 |
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| 引用本文： | 樊智虹.连续流动氢化物发生原子荧光法测定水中硒[J].环境科学与技术,2011,34(1):117-120,123. |
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| 作者姓名： | 樊智虹 |
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| 作者单位： | 大同市环境监测站,山西大同,037006 |
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| 摘 要： | 文章介绍连续流动一氢化物发生一原子荧光测定水中硒的方法,研究了盐酸浓度、硼氢化钾浓度、灯电流、光电倍增管负高压、泵速、载气和屏蔽气流量等对测定硒的影响,找出测定水中硒最佳条件,在最佳条件下,校准曲线相关系数为0.9999.方法检出限为0.0095μg/L,方法的测量范围为0.038-300μg/L,回收率在91.8%-...
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| 关 键 词： | 连续流动 氢化物发生 原子荧光法 硒 水 |
Determination of Selenium in Water Sample by Continuous Flow-Hydride Generation-Atomic Fluorescence Spectrometric Method |
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| FAN Zhi-hong.Determination of Selenium in Water Sample by Continuous Flow-Hydride Generation-Atomic Fluorescence Spectrometric Method[J].Environmental Science and Technology,2011,34(1):117-120,123. |
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| Authors: | FAN Zhi-hong |
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| Institution: | FAN Zhi-hong(Datong Municipal Environmental Monitoring Station,Datong 037006,China) |
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| Abstract: | A method of continuous flow-hydride generation-atomic fluorescence spectrometric method to determine selenium in water was introduced.Factors that affect determination of selenium such as concentration of hydrochloric acid,concentration of potassium borohydride,lamp current,photomultiplier tube negative high pressure,pumping speed,carrier gas and shielding gas flow rate were studied to find the optimal conditions for determination of selenium in water.Under the optimum conditions,correlation coefficient of ... |
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| Keywords: | continuous flow hydride generation atomic fluorescence spectrometric method selenium water |
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