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首页> 外文期刊>Electroanalysis >Determination of Amlodipine and Atenolol by Batch Injection Analysis with Amperometric Detection on Boron-doped Diamond Electrode
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Determination of Amlodipine and Atenolol by Batch Injection Analysis with Amperometric Detection on Boron-doped Diamond Electrode

机译：硼掺杂金刚石电极上分批注射安培法测定氨氯地平和阿替洛尔

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摘要

This work describes the sequential determination of amlodipine (AML) and atenolol (ATN) by batch injection analysis (BIA) with pulsed amperometric detection (BIA-PAD). Boron doped diamond (BDD) was used as working electrode. AML was detected at +1.00 V and ATN at +1.65 V. The proposed BIA method is simple, robust, precise (RSD <3.2%; n=10), presents high analytical frequency (>70 injections h(-1)), generates reduced volume of waste (without use of organic solvent) and requires minimal sample manipulation (dissolution and dilution in electrolyte). The limits of detection were 0.074 and 0.073 mu mol L-1 for AML and ATN, respectively. The results obtained with the proposed BIA method were compared to those obtained by HPLC and similar results were obtained (at 95% of confidence level).
机译：这项工作描述了通过批量注射分析（BIA）和脉冲安培检测（BIA-PAD）进行氨氯地平（AML）和阿替洛尔（ATN）的顺序测定。掺硼金刚石（BDD）用作工作电极。在+1.00 V处检测到AML，在+1.65 V处检测到ATN。建议的BIA方法简单，可靠，精确（RSD <3.2％; n = 10），具有较高的分析频率（> 70次进样h（-1）），产生的废物量减少（无需使用有机溶剂），并且所需的样品处理量最少（在电解质中的溶解和稀释）。 AML和ATN的检出限分别为0.074和0.073μmolL-1。将通过建议的BIA方法获得的结果与通过HPLC获得的结果进行比较，并获得了相似的结果（置信度为95％）。

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