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

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作者信息

Doroschuk V O, Lelyushok S O, Ishchenko V B, Kulichenko S A

机构信息

Analytical Chemistry Department, Taras Shevchenko Kyiv University, Volodymyrska Str. 64, Kyiv 01033, Ukraine.

出版信息

Talanta. 2004 Nov 15;64(4):853-6. doi: 10.1016/j.talanta.2004.03.056.

DOI:10.1016/j.talanta.2004.03.056

PMID:18969680

Abstract

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 100ml of water sample in the presence of 1% non-ionic surfactant (NS) OP-7, 1x10(-4)M 1-(2-pyridylazo)-2-naphthol permitted the detection 5mugl(-1) manganese. The proposed method has been applied to the AAS determination of manganese in water samples after cloud point extraction.

摘要

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