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高效液相色谱-三重四级杆/复合线性离子阱质谱法测定饮用水中22种邻苯二甲酸酯
Determination of 22 Phthalate Esters in Drinking Water by Liquid Chromatography-Triple Quadrupole Linear Ion Trap Mass Spectrometry
投稿时间:2020-02-18  修订日期:2020-05-19
DOI:10.19316/j.issn.1002-6002.2020.04.16
中文关键词:  高效液相色谱-三重四极杆/复合线性离子阱质谱  饮用水  邻苯二甲酸酯  捕集柱
英文关键词:high performance liquid chromatography-triple quadrupole linear ion trap mass spectrometry  drinking water  phthalate esters  trap column
基金项目:
作者单位
窦筱艳 青海省生态环境监测中心,国家环境保护青藏高原生态环境监测与评估重点实验室,青海省生态环境监测与评估重点实验室,青海西宁810007 
王静 浙江省生态环境监测中心,浙江杭州310012 
孙静 重庆市生态环境监测中心,重庆401147 
钟丹丹 青海省生态环境监测中心,国家环境保护青藏高原生态环境监测与评估重点实验室,青海省生态环境监测与评估重点实验室,青海西宁810007 
柳春辉 青海省生态环境监测中心,国家环境保护青藏高原生态环境监测与评估重点实验室,青海省生态环境监测与评估重点实验室,青海西宁810007 
李红红 青海省生态环境监测中心,国家环境保护青藏高原生态环境监测与评估重点实验室,青海省生态环境监测与评估重点实验室,青海西宁810007 
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中文摘要:
      建立了一种同时测定饮用水中22种邻苯二甲酸酯(PAEs)的高效液相色谱-三重四级杆/复合线性离子阱质谱方法:饮用水样品经针头过滤器过滤,选用Biphenyl液相色谱柱进行分离,以含0.1%甲酸的水溶液和含0.1%甲酸的甲醇溶液为流动相,电离模式为电喷雾正离子,选用多反应监测触发增强子离子扫描模式进行检测。结果表明,22种PAEs的灵敏度良好,定量限为0.001~0.1 μg/L。配制浓度为0.1~100.0 μg/L的混标溶液进行进样分析,分析结果显示,22种PAEs在该范围内的线性关系良好,相关系数均大于0.995,方法的平均回收率为82.9%~108.9%,相对标准偏差为0.9%~11.2%。同时,使用增强子离子扫描谱图进行搜库匹配,定性准确性高。该方法适用于饮用水中PAEs的检测。
英文摘要:
      A high performance liquid chromatography-tandem mass spectrometric method for the determination of 22 phthalate esters in drinking water was developed.The sample was filtered with syringe filter,separated on biphenyl liquid chromatographic column with gradient elution using methanol (0.1% formic acid) and water (0.1% formic acid) as mobile phases water,then analyzed under the multiple reaction monitoring-information-dependent acquisition-enhanced product ion scanning (MRM-IDA-EPI) mode with positive-ion electron spray ionization (ESI).The result showed that the method had good linear relationships with correlation coefficient more than 0.995,and the limits of quantification (LOQ) were 0.001-0.1 μg/L.The average recoveries of 22 phthalate esters were 82.9%-108.9% and the RSD were 0.9%-11.2%.Then EPI was used for the library matching,the accuracy of qualitative results was high.The method is suitable for the determination of phthalates esters in drinking water.
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