Flame atomic absorption determination of manganese(II) in natural water after cloud point extraction

被引：86
作者：
Doroschuk, VO [1 ]
Lelyushok, SO [1 ]
Ishchenko, VB [1 ]
Kulichenko, SA [1 ]
机构：
[1] Taras Shevchenko Kyiv Univ, Dept Analyt Chem, UA-01033 Kiev, Ukraine
来源：
TALANTA | 2004年 / 64卷 / 04期
关键词：
non-ionic surfactant; cloud point extraction; manganese determination;
D O I：
10.1016/j.talanta.2004.03.056
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The possibility to use 4-(2-pyridylazo)resorcinol (PAR) and 1-(2-pyridylazo)-2-naphthol (PAN) for manganese(II) concentrating by the micellar extraction at cloud point (CP) temperature and subsequent atomic absorption spectrometry (AAS) determination was investigated. Under the optimum conditions, preconcentration of 100 ml of water sample in the presence of 1% non-ionic surfactant (NS) OP-7, 1 x 10(-4) M 1-(2-pyridylazo)-2-naphthol permitted the detection 5 mug l(-1) manganese. The proposed method has been applied to the AAS determination of manganese in water samples after cloud point extraction. (C) 2004 Elsevier B.V. All rights reserved.
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收藏
页码：853 / 856
页数：4
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