Simultaneous Determination of 4 Antibiotics in Children’s Cosmetics by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry with Solid Phase Extraction
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Simultaneous Determination of 4 Antibiotics in Children’s Cosmetics by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry with Solid Phase Extraction
Journal of Instrumental AnalysisVol. 41, Issue 12, Pages: 1746-1750(2022)
WANG Yi,NIE Ming-xia,JIA Fang,et al.Simultaneous Determination of 4 Antibiotics in Children’s Cosmetics by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry with Solid Phase Extraction[J].Journal of Instrumental Analysis,2022,41(12):1746-1750.
WANG Yi,NIE Ming-xia,JIA Fang,et al.Simultaneous Determination of 4 Antibiotics in Children’s Cosmetics by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry with Solid Phase Extraction[J].Journal of Instrumental Analysis,2022,41(12):1746-1750. DOI: 10.19969/j.fxcsxb.22062904.
Simultaneous Determination of 4 Antibiotics in Children’s Cosmetics by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry with Solid Phase Extraction
An ultra-performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS) was established for the determination of 4 antibiotics in children’s cosmetics.The cosmetic samples were extracted with 70% acetonitrile-water solution,and then purified with a SCX column.The target analytes were separated on a Waters ACQUITY BEH C,18,(2.1 mm × 100 mm,2.5 μm) column using 0.1% formic acid solution and acetonitrile as mobile phases.The analysis was performed under multiple reaction monitoring(MRM) mode.Results showed that there were good linear relationships for 4 antibiotics in the respective concentration ranges with their correlation coefficients(,r,) of 0.999.The limits of detection(LODs) and limits of quantitation(LOQs) of the method were in the range of 0.005-0.250 μg/g and 0.010-0.500 μg/g,respectively. Average recoveries for the 4 antibiotics in 3 kinds of samples at 3 spiked levels ranged from 89.3% to 113%,with relative standard deviations(RSDs,,n ,= 6) of 0.90%-7.2%.The method is effective,accurate and specific,and it could be used for the determination of 4 antibiotics in children’s cosmetics.
关键词
抗生素儿童化妆品超高效液相色谱-串联质谱法(UPLC-MS/MS)净化
Keywords
antibioticchildren’s cosmeticsultra-performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS)purification
references
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