Fabrication of a Praseodymium(III) PVC-Membrane Sensor Based on N'1,N'2-Bis(2-oxo-1,2-diphenylethylidene) ethanedihydrazide

被引：62
作者：
Zamani, Hassan Ali [1 ]
Masrournia, Mahbobeh [2 ]
Sahebnasagh, Sara [2 ]
Ganjali, Mohammad Reza [3 ,4 ]
机构：
[1] Islamic Azad Univ, Dept Appl Chem, Quchan Branch, Quchan, Iran
[2] Islamic Azad Univ, Mashhad Branch, Dept Chem, Fac Sci, Mashhad, Iran
[3] Univ Tehran, Fac Chem, Ctr Excellence Electrochem, Tehran, Iran
[4] Univ Tehran Med Sci, Endocrine & Metab Res Ctr, Tehran, Iran
来源：
ANALYTICAL LETTERS | 2009年 / 42卷 / 03期
关键词：
Ion-selective electrode; N'1; N'2-bis(2-oxo-1; 2-diphenylethylidene)ethanedihydrazide; potentiometry; PVC membrane; sensor; SELECTIVE ELECTROCHEMICAL SENSOR; 4F ELECTRON TRANSITIONS; RARE-EARTH MIXTURES; SEDIMENT SAMPLES; SPECTROPHOTOMETRIC DETERMINATION; NEUTRAL IONOPHORE; COPPER(II)-SELECTIVE ELECTRODE; DYSPROSIUM(III) ION; ABSORPTION-SPECTRA; SCHIFFS BASE;
D O I：
10.1080/00032710802677092
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A polyvinyl chloride membrane sensor for praseodymium(III) ions was prepared based on N'1,N'2-bis(2-oxo-1,2-diphenylethylidene)ethanedihydrazide (BEH) as a membrane carrier. This electrode has a wide linear dynamic range from 1.010-6 to 1.010-2M with a Nernstian slope of 19.60.4mV per decade and a low detection limit of 4.310-7M between the pH values of 2.8 and 8.7; additionally, the response time was about 10s and usage was 2 months without any potential divergence. Moreover, the recommended selective sensor revealed a comparatively satisfactory selectivity regarding most of the alkali and alkaline earths and some transition- and heavy-metal ions. It was employed as an indicator electrode in the potentiometric titration of Pr(III) ions with EDTA. The membrane sensor was also applied to the Pr3+ recovery from different water samples and the determination of fluoride ions in mouthwash samples.
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收藏
页码：555 / 570
页数：16
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