FAAS DETERMINATION OF LEAD IN INDUSTRIAL WASTE WATER
摘 要
研究了利用十二烷基磺酸钠(SDS)的增感作用,火焰原子吸收光谱法测定工业废水中微量铅.考察了各试验参数及共存元素对铅测定的影响,探讨了SDS增感机理.方法用于工厂废水中铅的测定,测定结果的相对标准偏差为0.8%~1.2%,检出限为0.11 mg·L-1,加标回收率为94%~104%.
Abstract
The sensitization effect of SDS on the FAAS determination of lead in industrial waste water was studied and its mechanism discoussed.Interferences of common co-existing elements and the working parameters of the method were also studied and optimized.Detection limit of the method was found to be 0.11 mg·L-1.In the analysis of some substantial waste water samples.RSD′s obtained were in the range of 0.8%-1.2%,and recoveries were in the range of 94%-104%.
中图分类号 O657.31
所属栏目 工作简报
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收稿日期 2005/4/12
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备注杜晓光(1965-),男,山东沂水人,副教授,主要从事光谱分析和色谱分析的研究.
引用该论文: DU Xiao-guang. FAAS DETERMINATION OF LEAD IN INDUSTRIAL WASTE WATER[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2006, 42(12): 1023~1024
杜晓光. 火焰原子吸收光谱法测定工业废水中铅[J]. 理化检验-化学分册, 2006, 42(12): 1023~1024
被引情况:
【1】陆建平,布静龙,覃梦琳,卢秀芳,李广良,梁海青, "黄原酯棉纤维柱分离-氢化物发生-原子荧光光谱法测定大米中的镉和铅量",理化检验-化学分册 52, 147-150(2016)
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参考文献
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【3】郭德济,宗开梅,卜玲.火焰原子吸收法测定钢铁中铅时阴离子表面活性剂的增感效应及其机理探讨[J].光谱实验室,1997,14(3):45.
【4】高舸,陶锐.表面活性剂在火焰原子吸收光谱法中的增感效应[J].预防医学情报杂志,1998,14(2):89.
【5】Kodama M,Miyagawa S.Enhancing and Suppressing effects of surfactants in atomic absorption flame spectrometry[J].Anal Chem,1980,52:2358.
【6】Kornahrens H,Cook K D.Mechanism of enhancement of analyte sensitivity by surfactants in flame atomic spectrometry[J].Anal Chem,1982,54:1325.
【7】张悟铭,严正银,王俊德.火焰原子吸收光度法中表面活性剂作用的探讨[J].分析化学,1991,19(1):47.
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