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| Electrocatalytic Oxidation of Salbutamol at SDBS Self-assembled Monolayers and ［BnMIM］PF6 Modified Carbon Paste Electrode and Its Electrochemical Determination |
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| DOI：10.3969/j.issn.1004-4957.年份.月份 |
| KeyWord:salbutamol sodium dodecyl benzenesulfonate(SDBS) ionic liquid modified carbon paste electrode electrocatalytic oxidation |
| Author | Institution |
| 马风凯，包佳丽，马明亮，张艳梅，犹卫，高作宁 |
宁夏大学化学化工学院 |
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| Abstract: |
| The electrocatalytic oxidation behaviors and electrochemical kinetics of salbutamol(SAL) were investigated at sodium dodecyl benzenesulfonate(SDBS) self-assembled-monolayers and 1-benzy-3-methylimidazole hexafluorophosphate(［BnMIM］PF6) modified carbon paste electrode(SDBS-［BnMIM］PF6/CPE).The experimental results indicated that the SDBS-［BnMIM］PF6/CPE showed an excellent electrocatalytic activity toward SAL.The electrochemical kinetic parameters were determined by cyclic voltammetry(CV) and chronoamperometry(CA) at SDBS-［BnMIM］PF6/CPE.The catalytic oxidation peak current of SAL versus its concentration had a good linear relationship in the concentration range of 9.0×10-5-1.0×10-3 mol?L-1 and the detection limit(S/N=3) was 1.08×10-6 mol?L-1 by square wave voltammetric(SWV) method.The proposed method was successfully applied in the electrochemical quantitative determination of SAL content in commercial inhaled salbutamol solution. |
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