Development of poly(3-aminophenylboronic acid) modified graphite rod electrode suitable for fluoride determination

被引：23

作者：

Ciftci, Hakan ^{[1
,2
]}

Oztekin, Yasemin ^{[2
,3
,4
]}

Tamer, Ugur ^{[5
]}

Ramanaviciene, Almira ^{[2
]}

Ramanavicius, Arunas ^{[2
,3
]}

机构：

[1] Kirikkale Univ, Kirikkale Vocat High Sch, Dept Chem & Chem Proc Technol, Kirikkale, Turkey

[2] Vilnius Univ, NanoTechnas, Fac Chem, Ctr Nanotechnol & Mat Sci, Naugarduko 24, LT-03225 Vilnius, Lithuania

[3] Vilnius Univ, Fac Chem, Dept Phys Chem, Vilnius, Lithuania

[4] Selcuk Univ, Fac Sci, Dept Chem, Konya, Turkey

[5] Gazi Univ, Fac Pharm, Dept Analyt Chem, Ankara, Turkey

来源：

TALANTA | 2014年 / 126卷

关键词：

Poly(3-aminophenylboronic acid); Fluoride; Potentiometry; Conducting polymer; Ion-selective electrode; SELECTIVE ELECTRODE; ARYLBORONIC ACIDS; INORGANIC ANIONS; SODIUM-FLUORIDE; COMPLEX; SENSORS; SPECTROMETRY; ABSORPTION; POLYMER; SAMPLES;

D O I：

10.1016/j.talanta.2014.03.018

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Poly(3-aminophenylboronic acid), (PAPBA) film was formed on the graphite rod surface by potential cycling. The PAPBA-modified graphite rod (PAPBA/GR) electrode prepared in this way was used for potentiometric fluoride determination. The linear calibration range was from 5 x 10(-4) to 5 x 10(-2) M with the slope of the linear part of the calibration curve of 42.5 mV/log C. No interference effect of the most common ions such as sodium, potassium, chloride, nitrate, iodide, calcium, zinc, aluminum, sulfate and sorbitol was observed during electrochemical determination of fluoride. On the other hand, the PAPBA/GR electrode showed not only good sensitivity and selectivity, but also relatively rapid response to changes of analyte concentrations in the range of 20 s. The sensor was successfully applied for fluoride determination in real sample - toothpaste. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：202 / 207

页数：6

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