New metalloporphyrazines as active components of membranes of anion-selective electrodes

被引：6

作者：

Shvedene, N. V. ^{[1
]}

Otkidach, K. N. ^{[1
]}

Gumerov, M. R. ^{[1
]}

Tarakanov, P. A. ^{[2
]}

Tomilova, L. G. ^{[2
]}

机构：

[1] Moscow MV Lomonosov State Univ, Fac Chem, Moscow 119991, Russia

[2] Russian Acad Sci, Inst Physiol Act Subst, Chernogolovka 142432, Moscow Region, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2015年 / 70卷 / 01期

关键词：

metalloporphyrazines; ion-selective electrodes; dihydrogen phosphate; benzylpenicillin; iodide; POTENTIOMETRIC SELECTIVITY; IONOPHORES; TETRAPHENYLPORPHYRIN; PHTHALOCYANINE; MN(III)TPP-CL; ADDITIVES; PVC;

D O I：

10.1134/S1061934815010177

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Nickel(II), manganese(III), and magnesium(II) porphyrazines are synthesized and investigated as active electrode components of polyvinyl chloride plasticized membranes for ion-selective electrodes (ISE). The potentiometric response of membranes based on metalloporphyrazines doped with 1,3-dihexadecylimidazolium chloride (ionic additive) relative to benzylpenicillin and iodide anions is studied. It is found that the introduction of the ionic additive significantly improves the electrochemical characteristics of the ISE: the slope of the electrode function in benzylpenicillinate solutions is (58 +/- 7) mV/dec and c (min) = 7 x 10(-5) M, and in iodide solutions, (55 +/- 2) mV/dec and c (min) = 6 x 10(-6) M. It is shown that the ISE based on manganese(III) porphyrazine with an ionic additive can be used to determine iodide in Iodinol preparation.

引用

页码：72 / 80

页数：9

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