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首页> 外文期刊>Journal of chromatography, A: Including electrophoresis and other separation methods >Bar adsorptive microextraction coated with multi-walled carbon nanotube phases - Application for trace analysis of pharmaceuticals in environmental waters
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Bar adsorptive microextraction coated with multi-walled carbon nanotube phases - Application for trace analysis of pharmaceuticals in environmental waters

机译:具有多壁碳纳米管阶段的酒吧吸附微萃取 - 用于追踪环境水域的药物痕量分析

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摘要

Bar adsorptive microextraction devices were modified with multi-walled carbon nanotubes for the first time. A bar adsorptive microextraction method followed by microliquid desorption and high-performance liquid chromatography with diode array detection was developed for the determination of trace levels of ketoprofen, diclofenac, gemfibrozil and mefenamic acid in water samples. The mean parameters affecting the bar adsorptive microextraction and microliquid desorption efficiency were studied and optimized using a univariate optimization strategy. The methodology was validated in terms of linearity, limits of detection and quantification, recovery, intra- and inter-day precision, accuracy, and matrix effect.
机译:第一次用多壁碳纳米管改性棒状吸附微萃取装置。 用于微升解吸和具有二极管阵列检测的微升沉和高效液相色谱,用于测定水样中的酮洛芬,双氯芬酸,梅花酸甲酸的微量阵列检测和高性能液相色谱法。 使用单变量优化策略研究和优化影响棒状吸附微萃取和微覆盖解吸效率的平均参数。 该方法在线性,检测和定量限制,恢复,日内和日常精度,准确性和矩阵效应方面进行了验证。

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