广东省汕头市质量计量监督检测所,广东 汕头 515041
朱 虹,高级工程师,研究方向:产品质量检验检测与研究,E-mail:171053301@qq.com
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杨建英,朱虹,徐宁等.QuEChERS/高效液相色谱-串联质谱法测定护肤品中的21种麻醉剂[J].分析测试学报,2023,42(02):189-196.
YANG Jian-ying,ZHU Hong,XU Ning,et al.Determination of 21 Anesthetics in Skin Care Products by QuEChERS/High Performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2023,42(02):189-196.
杨建英,朱虹,徐宁等.QuEChERS/高效液相色谱-串联质谱法测定护肤品中的21种麻醉剂[J].分析测试学报,2023,42(02):189-196. DOI: 10.19969/j.fxcsxb.22092203.
YANG Jian-ying,ZHU Hong,XU Ning,et al.Determination of 21 Anesthetics in Skin Care Products by QuEChERS/High Performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2023,42(02):189-196. DOI: 10.19969/j.fxcsxb.22092203.
建立了QuEChERS/高效液相色谱-串联质谱(HPLC-MS/MS)同时快速测定护肤品中21种麻醉剂的分析方法。样品用水分散后加入含1.0%(体积分数)甲酸的乙腈溶液超声提取,经无水硫酸镁、十八烷基键合硅胶(C,18,)和N-丙基乙二胺(PSA)净化,采用具有反相(RP)、弱阳离子交换(WCX)和HILIC多种保留机制的Acclaim Mixed-Mode WCX-1色谱柱(150 mm × 2.1 mm,3 μm)分离,以20 mmol·L,-1,甲酸铵溶液(用甲酸调至pH 4.0)和乙腈(含0.035%甲酸)为流动相。在电喷雾正离子模式下,多反应监测(MRM)模式测定,基质匹配标准溶液外标法定量。21种麻醉剂在0.5 ~ 100 ng·mL,-1,质量浓度范围内线性关系良好,相关系数(,r,)均大于0.99,检出限和定量下限分别为0.1 ~ 3 μg·kg,-1,和0.3 ~ 10 μg·kg,-1,。在膏霜、乳液和凝胶3种基质中,3个不同加标水平下的平均回收率为84.3% ~ 109%,相对标准偏差为0.70% ~ 7.1%(,n ,= 6)。该方法操作简便,适用于护肤品中21种麻醉剂的日常检测。
A QuEChERS/high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS) was established for the rapid and simultaneous determination of 21 anesthetics in skin care products.The samples were dispersed with water,then extracted with acetonitrile solution containing 1.0%(by volume) formic acid by ultrasound extraction,and purified with anhydrous magnesium sulfate,octadecyl silane(C,18,) and primary secondary amine(PSA),and finally seperated on an Acclaim Mixed-Mode WCX-1 column(150 mm × 2.1 mm,3 μm) which could offer multiple retention mechanisms including reversed-phase(RP),weak cation-exchange(WCX) and HILIC.The mobile phases were 20 mmol·L,-1, ammonium formate(adjusting to pH 4.0) and acetonitrile(cantaining 0.035% formic acid).The samples were detected in electrospray positive ion mode under multiple reaction monitoring(MRM) mode,and quantified by matrix-matched standard solutions and external standard method.There were good linear relationships for 21 anesthetics in the concentration range of 0.5-100 ng·mL,-1,,with their correlation coefficients(,r,) larger than 0.99.The detection limits and quantitation limits were 0.1-3 μg·kg,-1, and 0.3-10 μg·kg,-1,,respectively.The average recoveries at three spiked levels for the 21 analytes in three matrices ranged from 84.3% to 109%,with relative standard deviations of 0.70%-7.1%(,n ,= 6).The method is simple to operate,and it is suitable for the daily detection of 21 anesthetics in skin care products.
QuEChERS高效液相色谱-串联质谱法(HPLC-MS/MS)麻醉剂护肤品
QuEChERShigh performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS)anestheticskin care product
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