FAAS DETERMINATION OF LEAD AND CADMIUM IN BUTTON-SHAPED CELL WITH ON-LINE STANDARD ADDITION
摘 要
应用火焰原子吸收光谱(FAAS)法测定了钮扣电池中铅和镉的含量,对测定条件作了较详细的研究.用在线双毛细管标准加入法消除了基体的干扰.按所述方法测定电池样品中铅和镉,测定结果的RSD依次为3.58%和5.87%,铅和镉的浓度水平分别为5.4×10-3%和2.3×10-4%(质量分数),回收率结果为93.0%-100.1%(铅)和95.0%-101.0%(镉).
Abstract
Flame-atomic absorption spectrometry was applied to the determination of lead and cadmium in bulton-shaped cells,and the optimum conditions of the method were studied.Matrix interference was eliminated by the standard addition method,which was performed by the binary capillary technique under on-line mode.The working conditions of the instrument were also described in detail.RSD′s of results obtained by the present method were 3.58% for lead and 5.87% for cadmium at the concentration levels of 5.4×10-3% and 2.3×10-4% respectively.Results of recovery test were in the ranges of 93.0%-100.1% (for Pb) and 95.0%-101.0% (for cadmium).
中图分类号 O657.37
所属栏目 工作简报
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收稿日期 2005/10/18
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备注卫碧文(1970-),女,上海人,高级工程师,主要从事化学检测工作.
引用该论文: WEI Bi-wen,MIAO Jun-wen,GONG Zhi-xiang,HE Pan-hong,XU Hua. FAAS DETERMINATION OF LEAD AND CADMIUM IN BUTTON-SHAPED CELL WITH ON-LINE STANDARD ADDITION[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2006, 42(10): 815~817
卫碧文,缪俊文,龚治湘,贺攀红,许骅. 在线标准加入火焰原子吸收光谱法测定钮扣电池中铅和镉[J]. 理化检验-化学分册, 2006, 42(10): 815~817
被引情况:
【1】贺攀红,龚治湘, "火焰原子吸收光谱法测定矿石中微量钼",理化检验-化学分册 48, 360-361(2012)
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参考文献
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【8】卫碧文,缪俊文,龚治湘,等.微型多功能进样技术在AAS中的应用研究——不锈钢食具容器中微量铬的测定[J].分析试验室,2005,10(24):84-87.
【2】龚文杰,马建明,邬晨阳.溶剂萃取-火焰原子吸收法测定银杏叶提取物中铅镉[J].理化检验-化学分册,2003,39(2):90-91.
【3】郭伊,刘春明,赵晓亮.氨基乙酸纤维离子交换柱分离富集ICP-AES测定海水中痕量钼和钒[J].分析测试学报,1997(16):54-57.
【4】刘春明,郭伊,赵晓亮.EDTA纤维柱同时富集多种痕量元素以及电感耦合等离子体发射光谱法测定[J].光谱学与光谱分析,1997,17(3):69-73.
【5】黄坚,黄茶香.极谱吸附波测定金属锌中微量镉[J].冶金分析,2001,21(5):53-55.
【6】陈宏靖.原子荧光光谱法测定食品中的镉[J].实用预防医学,2002,9(5):562-564.
【7】龚治湘.双毛细管在原子吸收中的应用研究[J].理化检验-化学分册,2001,3(增刊):130-131.
【8】卫碧文,缪俊文,龚治湘,等.微型多功能进样技术在AAS中的应用研究——不锈钢食具容器中微量铬的测定[J].分析试验室,2005,10(24):84-87.
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