水和沉积物中有机质含量对固相萃取和超声辅助萃取提取的雌激素化合物回收率的影响

IF 1 4区 化学 Q4 CHEMISTRY, ANALYTICAL
José Gustavo Ronderos-Lara, Hugo Saldarriaga-Noreña, Mario Alfonso Murillo-Tovar, Violeta Mugica-Álvarez, Iris J. Montoya-Balbás, Verónica Gisela López-Martínez, Khirbet López-Velázquez, Ernesto Sola-Pérez
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引用次数: 0

摘要

本研究考察了有机物对水中和沉积物样品中布洛芬(IBU)、萘普生(NPX)、4-n-壬基酚(4NP)、双酚A (BPA)、17β-雌二醇(E2)和17α-炔雌醇(EE2)的回收率的影响。在pH为7的条件下提取样品,用丙酮-甲醇(3:2)洗脱,固相萃取效果最佳。加样回收率分别为54.24±0.86% (4NP)和89.77±5.40% (EE2)。重复性和再现性分别低于8.1和111.13% (EE2)。以丙酮-甲醇(3:2)为提取溶剂,超声辅助提取效果最佳。回收率在48.8±8.4% (EE2)和112.6±4.3% (NPX)之间振荡。重复性和再现性分别低于17.21%和17.84% (BPA)。应用验证的方法确定了不同来源影响的地表水和沉积物样品中有机质对回收率的影响。结果表明,在有机物含量较高的水样中,IBU、NPX和EE2的回收率分别提高了18%、11%和22%。在沉积物样品中,E2的回收率高达43%。因此,由于样品中存在有机物,建议在分析前先探索样品中的有机物含量,以尽量减少测定浓度的误差。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Organic Matter Content in Water and Sediments on the Recovery of Estrogenic Compounds Extracted by Solid-Phase Extraction and Ultrasound-Assisted Extraction

This work evaluates the effect of organic matter on the recovery of ibuprofen (IBU), naproxen (NPX), 4-n-nonylphenol (4NP), bisphenol A (BPA), 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) in water and sediment samples. The best solid-phase extraction results were obtained with sample extractions at pH 7, and elution was performed using acetone–MeOH (3 : 2). Recoveries varied between 54.24 ± 0.86% (4NP) and 89.77 ± 5.40% (EE2). Repeatability and reproducibility were below 8.1 and 111.13% (EE2), respectively. The best ultrasound-assisted extraction results were obtained using acetone–MeOH (3 : 2) as the extraction solvent. Recoveries oscillated between 48.8 ± 8.4% (EE2) and 112.6 ± 4.3% (NPX). Repeatability and reproducibility were below 17.21 and 17.84% (BPA), respectively. The validated methods were applied to determine the effect of organic matter on recoveries in surface water and sediment samples impacted by different sources. As a result, in water samples with high organic matter content, recoveries for IBU, NPX, and EE2 increased up to 18, 11, and 22%, respectively. In sediment samples, the recovery of E2 increased up to 43%. Thus, due to the presence of organic matter in samples, it is recommended to explore organic matter content in samples before analysis to minimize errors in determined concentrations.

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来源期刊
Journal of Analytical Chemistry
Journal of Analytical Chemistry 化学-分析化学
CiteScore
2.10
自引率
9.10%
发文量
146
审稿时长
13 months
期刊介绍: The Journal of Analytical Chemistry is an international peer reviewed journal that covers theoretical and applied aspects of analytical chemistry; it informs the reader about new achievements in analytical methods, instruments and reagents. Ample space is devoted to problems arising in the analysis of vital media such as water and air. Consideration is given to the detection and determination of metal ions, anions, and various organic substances. The journal welcomes manuscripts from all countries in the English or Russian language.
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