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- W2361379454 abstract "A gas chromatography-mass spectrometric(GC-MS) method was established to simultaneously detect 5 kinds of fruit preservatives including p-methyl hydroxybenzoate,p-ethyl hydroxybenzoate,ethyl naphthol,4-phenyl phenol and diphenyl ether.The samples were extracted with ether,concentrated by nitrogen blowing,and purified with activated carbon column.The analysis of target compounds was performed by GC-MS under the selected ion mode(SIM),and quantified by the external standard method.Under the optimized conditions,the calibration curves of the 5 preservatives were linear in the range of 0.2-4.0 mg/L with correlation coefficients(r2) more than 0.991.The spiked recoveries ranged from 80.4% to 104.5% with relative standard deviations(RSDs) of 1.2%-6.4%.The limit of detection of diphenyl ether was 0.05 mg/kg,and those of the other analytes were all 0.1 mg/kg.The method was simple,rapid and cheap,and the impurities like pigments in fruit samples could be diminished with activated carbon column.Therefore,the method was suitable for the determination of the 5 preservatives residues in fresh fruits with high sensitivity and selectivity." @default.
- W2361379454 created "2016-06-24" @default.
- W2361379454 creator A5067937296 @default.
- W2361379454 date "2013-01-01" @default.
- W2361379454 modified "2023-09-23" @default.
- W2361379454 title "Simultaneous Determination of 5 Preservatives Residues in Fresh Fruit by Gas Chromatography-Mass Spectrometry" @default.
- W2361379454 hasPublicationYear "2013" @default.
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