Rapid analysis of ultraviolet filters using dispersive liquid–liquid microextraction coupled to headspace gas chromatography and mass spectrometry

Pierson Stephen A.; Trujillo‐Rodríguez María J.; Anderson Jared L.

摘要

Abstract >An ionic‐liquid‐based in situ dispersive liquid–liquid microextraction method coupled to headspace gas chromatography and mass spectrometry was developed for the rapid analysis of ultraviolet filters. The chemical structures of five ionic liquids were specifically designed to incorporate various functional groups for the favorable extraction of the target analytes. Extraction parameters including ionic liquid mass, molar ratio of ionic liquid to metathesis reagent, vortex time, ionic strength, pH, and total sample volume were studied and optimized. The effect of the headspace temperature and volume during the headspace sampling step was also evaluated to increase the sensitivity of the method. The optimized procedure is fast as it only required ～7–10?min per extraction and allowed for multiple extractions to be performed simultaneously. In addition, the method exhibited high precision, good linearity, and low limits of detection for six ultraviolet filters in aqueous samples. The developed method was applied to both pool and lake water samples attaining acceptable relative recovery values. </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</标题> >基于离子分散液 - 液微萃取方法，耦合到顶空气相色谱法和质谱是为了快速分析紫外线过滤器而开发。五种离子液体的化学结构专门设计成掺入各种官能团以良好地提取靶分析物。提取参数包括离子液体物质，离子液体与复分解试剂的摩尔比，涡旋时间，离子强度，pH和总样品体积进行研究。还评价了顶空温度和体积在顶空抽样步骤期间的影响，以提高该方法的灵敏度。优化的步骤快，只需每次提取只需要〜7-10？分钟，并且允许同时进行多种提取。此外，该方法表现出高精度，良好的线性度和水性样品中六个紫外线过滤器的低限制。将开发的方法应用于池和湖水样品，达到可接受的相对恢复值。</ 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15期</span><b style="margin: 0 2px;">|</b><span>共8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=Pierson Stephen A.&option=202" target="_blank" rel="nofollow">Pierson Stephen A.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Trujillo‐Rodríguez María J.&option=202" target="_blank" rel="nofollow">Trujillo‐Rodríguez María J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Anderson Jared L.&option=202" target="_blank" rel="nofollow">Anderson Jared L.;</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 ChemistryIowa State UniversityAmes IA USA;</p> <p>Department of ChemistryIowa State UniversityAmes IA USA;</p> <p>Department of ChemistryIowa State UniversityAmes IA USA;</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=gas chromatography with mass spectrometry&option=203" rel="nofollow">gas chromatography with mass spectrometry;</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> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=ultraviolet filters&option=203" rel="nofollow">ultraviolet filters;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=water analysis&option=203" rel="nofollow">water analysis;</a> </p> <div class="translation"> 机译：分散液 - 液体微萃取;气相色谱法;质谱;离子液体;紫外线过滤器;水分分析; 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