首页> 外文期刊>Journal of separation science. >Deep eutectic solvent based homogeneous liquid–liquid extraction coupled with in‐syringe dispersive liquid–liquid microextraction performed in narrow tube; application in extraction and preconcentration of some herbicides from tea

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Deep eutectic solvent based homogeneous liquid–liquid extraction coupled with in‐syringe dispersive liquid–liquid microextraction performed in narrow tube; application in extraction and preconcentration of some herbicides from tea

机译：基于深度溶剂的均匀液 - 液萃取与窄管中的注射器分散液 - 液微萃取相结合; 茶叶中一些除草剂的提取和预浓缩的应用

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Abstract >A homogeneous liquid‐liquid extraction performed in narrow tube coupled to in–syringe‐dispersive liquid‐liquid microextraction based on deep eutectic solvent has been developed for the extraction of six herbicides from tea samples. In this method, sodium chloride as a separation agent is filled into the narrow tube and the tea sample is placed on top of the salt. Then a mixture of deionized water and deep eutectic solvent (water miscible) is passed through the tube. In this procedure, the deep eutectic solvent is realized as tiny droplets in contact with salt. By passing the droplets from the tea layer placed on the salt layer, the analytes are extracted into them. After collecting the solvent as separated layer, it is mixed with another deep eutectic solvent (choline chloride/butyric acid) and the mixture is dispersed into deionized water placed in a syringe. After adding acetonitrile to break up the cloudy state, the collected organic phase is injected into gas chromatography‐mass spectrometry. Under optimal conditions, limits of detection and quantification in the ranges of 2.6–8.4 and 9.7–29?ng/kg, respectively, were obtained. The extraction recoveries and enrichment factors in the ranges of 70–89% and 350–445 were obtained, respectively. </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”>摘要</标题> >在窄管中进行均匀的液体萃取，耦合到注射器分散液 - 已经开发了基于深度共晶溶剂的液体微萃取用于从茶样品中提取六个除草剂。在该方法中，将作为分离剂的氯化钠填充到窄管中，将茶样品置于盐的顶部。然后将去离子水和深共晶溶剂（水混溶）的混合物通过管。在该方法中，深凝胶化溶剂被实现为与盐接触的微小液滴。通过将液滴从放置在盐层上的茶层中，分析物被提取到它们中。收集溶剂作为分离层后，将其与另一个深的共晶溶剂（胆碱/丁酸）混合，并将混合物分散到放入注射器中的去离子水中。在加入乙腈以分解浑浊状态后，将收集的有机相喷射到气相色谱 - 质谱中。在最佳条件下，分别获得了2.6-8.4和9.7-29℃的检测和定量的限制。分别获得70-89％和350-445的提取回收率和富集因子。</ 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>2019年第9期</span><b style="margin: 0 2px;">|</b><span>共9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=Torbati Mohammadali&option=202" target="_blank" rel="nofollow">Torbati Mohammadali;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Farajzadeh Mir Ali&option=202" target="_blank" rel="nofollow">Farajzadeh Mir Ali;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mogaddam Mohammad Reza Afshar&option=202" target="_blank" rel="nofollow">Mogaddam Mohammad Reza Afshar;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Torbati Mostafa&option=202" target="_blank" rel="nofollow">Torbati Mostafa;</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 Food Science and TechnologyTabriz University of Medical SciencesTabriz Iran;</p> <p>Department of Analytical ChemistryUniversity of TabrizTabriz Iran;</p> <p>Food and Drug Safety Research CenterTabriz University of Medical SciencesTabriz Iran;</p> <p>Faculty of DentistryTabriz University of Medical SciencesTabriz 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=deep eutectic solvents&option=203" rel="nofollow">deep eutectic solvents;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=gas chromatography&option=203" rel="nofollow">gas chromatography;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=herbicides&option=203" rel="nofollow">herbicides;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=homogeneous liquid–liquid extraction&option=203" rel="nofollow">homogeneous liquid–liquid extraction;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=in‐syringe dispersive liquid–liquid microextraction&option=203" rel="nofollow">in‐syringe dispersive liquid–liquid microextraction;</a> </p> <div class="translation"> 机译：深度共晶溶剂;气相色谱;除草剂;均相液 - 液萃取;注射器分散液 - 液体微萃取; </div> </li> <li> <span class="lefttit">入库时间</span> <span>2022-08-20 10:07:45</span> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704025846177.html">Deep eutectic solvent based homogeneous liquid–liquid extraction coupled with in‐syringe dispersive liquid–liquid microextraction performed in narrow tube; application in extraction and preconcentration of some herbicides from tea</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Torbati Mohammadali&option=202" 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