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Analytical and Bioanalytical Chemistry Research، جلد ۹، شماره ۴، صفحات ۳۷۳-۳۸۰
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عنوان انگلیسی Ionic Associates of Fuschine Basic Dye as Sensing Probe for Potentiometric Determination of 2,4-Dichlorophenoxy- and 4-Chlorophenoxy Acetic Acids
چکیده انگلیسی مقاله Ionic associates of basic fuchsin have been used as electrochemical sensing probe for the potentiometric determination of 2,4-dichlorophenoxyacetic acid (2,4-D) and 4-chlorophenoxyacetic acid (4-CPA). Influence of the membrane composition on electroanalytical characteristics of the electrodes has been established. Effect of the modifying additive (N,N,N',N'-tetramethylethylenediamine) on the chemical and analytical characteristics of the electrodes is shown. The sensors can be used for the determination of 2,4-D (4-CPA) in an analytical range of 1×10-4 to 3×10-2 M with LOD as 10-5 M. For 2,4-D ISE, a hyper-Nernstian function was observed. The sensors have been applied for the determination of 4-CPA and 2,4-D in model solutions of pesticide preparations.
The ion-selective electrode may be efficiently used in either model or real samples, providing a low detection limit detection;
The electrode may be made more efficient, if the lypophylic basic additive is used for electrode production. Its addition has significant importance for the electrode response.
کلیدواژه‌های انگلیسی مقاله 2,4-Dichlorophenoxyacetic acid,4-Chlorophenoxyacetic acid,Potentiometry,Ion-selective electrodes,Modifying additives
نویسندگان مقاله Zholt Kormosh |
Department of Chemistry, Ecology and Pharmacy, Lesya Ukrainka Volyn National University, Lutsk, 43000 Ukraine

Susheel K Mittal |
School of Chemistry and Biochemistry, Thapar Institute of Engg and Technology (Deemed University), Patiala 147004 India

Volodymyr Tkach |
Department of Organic and Physical Chemistry Chernivtsi National University, Kotsyubyns´ky Str. 2, Chernivtsi, 58000 Ukraine

Oksana Yurchenko |
Department of Chemistry, Ecology and Pharmacy, Lesya Ukrainka Volyn National University, Lutsk, 43000 Ukraine

نشانی اینترنتی https://www.analchemres.org/article_152523_9ab7b3b520597820008d3ded8c831fb4.pdf
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