Sensitive Voltammetric Method for Piroxicam Determination in Pharmaceutical, Urine and Tap Water Samples using an Anodically Pretreated Boron-Doped Diamond Electrode

被引：1
作者：
Rosseto, Hallyssonn Augusto Pires [1 ]
Matos, Roberto [2 ]
Medeiros, Roberta Antigo [2 ]
机构：
[1] Univ Estadual Oeste Parana Unioeste, Ctr Engn & Ciencias Exatas, BR-85903000 Toledo, PR, Brazil
[2] Univ Estadual Londrina, Ctr Ciencias Exatas, Dept Quim, CP 10-011, BR-86057970 Londrina, PR, Brazil
来源：
BRAZILIAN JOURNAL OF ANALYTICAL CHEMISTRY | 2018年 / 5卷 / 18期
关键词：
anti-inflammatory; anodic pretreatment; BDD electrode; square-wave voltammetry; electroanalytical method;
D O I：
10.30744/brjac.2179-3425.2018.5.18.40-50
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple and rapid voltammetric method for piroxicam (PRX) determination was developed using an anodically pretreated boron-doped diamond electrode and the square-wave voltammetric technique. Analytical curves were obtained for PRX concentrations from 0.50 to 11.0 mu mol L-1, with detection limits of 0.16 mu mol L-1. The proposed method was successfully applied in the determination of PRX in pharmaceutical formulations (tablets), with results similar to those obtained using a reference spectrophotometric method (at a confidence level of 95%), and in the recovery of PRX in synthetic urine and tap water samples. Comparative to other electroanalytical methods based on different electrodes, the method yielded good results, being adequate for PRX determination in different samples with the advantage that it involves the use of a non-modified electrode.
引用
收藏
页码：40 / 50
页数：11
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