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首页> 外文期刊>Journal of separation science. >Comparison of three different dispersive liquid–liquid microextraction modes performed on their most usual configurations for the extraction of phenolic, neutral aromatic, and amino compounds from waters
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Comparison of three different dispersive liquid–liquid microextraction modes performed on their most usual configurations for the extraction of phenolic, neutral aromatic, and amino compounds from waters

机译：三种不同的分散液 - 液体微萃取模式对酚类，中性芳族和氨基化合物的最常规配置进行了对水的最常规配置

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Abstract >In this work we seek clues to select the appropriate dispersive liquid–liquid microextraction mode for extracting three categories of compounds. For this purpose, three common dispersive liquid–liquid microextraction modes were compared under optimized conditions. Traditional dispersive liquid–liquid microextraction, in situ ionic liquid dispersive liquid–liquid microextraction, and conventional ionic liquid dispersive liquid–liquid microextraction using chloroform, 1‐butyl‐3‐methylimidazolium tetrafluoroborate, and 1‐hexyl‐3‐methylimidazolium hexafluorophosphate as the extraction solvent, respectively, were considered in this work. Phenolic, neutral aromatic, and amino compounds (each category included six members) were studied as analytes. The analytes in the extracts were determined by high‐performance liquid chromatography with UV detection. For the analytes with polar functionalities, the in situ ionic liquid dispersive liquid–liquid microextraction mode mostly led to better results. In contrast, for neutral hydrocarbons without polar functionalities, traditional dispersive liquid–liquid microextraction using chloroform produced better results. In this case, where dispersion forces were the dominant interactions in the extraction, the refractive index of solvent and analyte predicted the extraction performance better than the octanol/water partition coefficient. It was also revealed that none of the methods were successful in extracting hydrophilic analytes (compounds with the log octanol/water partition coefficient?2). The results of this study could be helpful in selecting a dispersive liquid–liquid microextraction mode for the extraction of various groups of compounds. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> >我们寻求线索选择适当的分散液 - 液微萃取模式，用于提取三个化合物类别。为此目的，在优化条件下比较了三种常见的分散液 - 液微萃取模式。传统的分散液 - 液体微萃取，原位离子液体分散液 - 液体微萃取，使用氯仿，1-丁基-3-甲基咪唑鎓四氟硼酸盐和1-己基-3-甲基咪唑鎓六氟磷酸酯作为萃取的常规离子液体分散液 - 液微萃取分别在这项工作中分别考虑溶剂。作为分析物研究酚醛，中性芳族和氨基化合物（每个类别包括六个成员）。提取物中的分析物由具有UV检测的高效液相色谱法测定。对于具有极性功能的分析物，原位离子液体分散液 - 液体微萃取模式主要导致更好的结果。相反，对于没有极性函数的中性烃，使用氯仿的传统分散液 - 液体微萃取产生了更好的结果。在这种情况下，其中分散力是萃取中的显着相互作用的影响，溶剂和分析物的折射率预测了优于辛醇/水分配系数的提取性能。还揭示了任何方法都是成功提取亲水性分析物（具有对数辛醇/水分配系数的化合物）。该研究的结果可以有助于选择用于提取各种化合物的分散液 - 液微萃取模式。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-35800/'>《Journal of separation science.》</a> <b style="margin: 0 2px;">|</b><span>2018年第16期</span><b style="margin: 0 2px;">|</b><span>共10页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Saraji Mohammad&option=202" target="_blank" rel="nofollow">Saraji Mohammad;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ghambari Hoda&option=202" target="_blank" rel="nofollow">Ghambari Hoda;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of ChemistryIsfahan University of TechnologyIsfahan Iran;</p> <p>Department of ChemistryIsfahan University of TechnologyIsfahan Iran;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/159.html" title="化学">化学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=dispersive liquid‐liquid microextraction&option=203" rel="nofollow">dispersive liquid‐liquid microextraction;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=green sample preparation&option=203" rel="nofollow">green sample preparation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=ionic liquids&option=203" rel="nofollow">ionic liquids;</a> </p> <div class="translation"> 机译：分散液 - 液体微萃取;绿色样品制备;离子液体; 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