曾立平,沈锦玉,姚汉强
ZENG Li-ping,SHEN Jin-yu,YAO Han-qiang

• 1:国家纺织服装产品质量监督检验中心

摘要(Abstract)：

建立了纺织品中6种荧光增白剂(FWAs)的超高效液相色谱-质谱-质谱(UPCL-MS-MS)测试法。该方法以三氯甲烷-甲醇(体积比8∶2)为溶剂,二次超声前处理,流动相为乙腈-2.5 mmol/L乙酸胺溶液(p H=5.0),采用串联质谱ESI正模式电离,多反应监测(MRM)模式检测。试验结果表明:该方法能将6种FWAs有效分离,且线性关系较好,线性相关系数均在0.998 4以上,检出限为0.01~0.15 mg/L。方法的平均回收率为89.5%~102.3%,相对标准偏差为1.5%~3.7%。该方法简单、可靠,适用于实际工作中纺织品中FWAs的快速检测。
A method of simultaneous determination of six fluorescent whitening agents(FWAs) in texiles bya ultra-high performance liquid chromatography tandem mass spectrometry(UPCL-MS) was set up. Thesamples were extracted by ultrasonic extraction with trichloromethane-methanol. The analysis was carriedout in a teversed-phase BEH C18 column by gradient elution with acetonitrile-2.5 mmol/L acetate(pH=5.0) as mobile phase. Electrospray ionization mass was operated in the positive mode(ESI~+) using multiplereaction monitoring(MRM).The simulation showed that it could effectively separate the 6 kinds of FWAs,the calibration cuves for the method were linear,the detection limits varied from 0.01 to 0.15 mg/L and thelinear correlation coefficients was higher than 0.9984,the average recoveries were from 89.5% to 102.3%,the relative standard deviation was from 1.5% to 3.7%. The method was accurate,rapid and adapt to the de-termination of the FWAs in textile.

关键词(KeyWords)： 荧光增白剂;超声萃取;超高效液相色谱-质谱联用;检测
fluorescent whitening agent;ultrasonic extraction;ultra-high performance liquid chromatography tandem mass spectrometry;test

Abstract:

Keywords:

基金项目(Foundation): 浙江省质量技术监督系统科研计划项目(20150253)

作者(Author): 曾立平,沈锦玉,姚汉强
ZENG Li-ping,SHEN Jin-yu,YAO Han-qiang

DOI: 10.16090/j.cnki.hcxw.2017.03.013

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