title: Quantitative analysis of pethidine using liquid secondary ion and tandem mass spectrometry.
abstract: A method for the quantatitive determination of pethidine in human urine by liquid secondary ion and tandem mass spectrometry is presented. Quantification was carried out by using ketamine as internal standard. It was found that the collision-induced dissociation (CID) spectrum of the [M + H]+ ion of pethidine exhibited a prominent daughter ion at m/z 220 and ketamine also yielded the same daughter ion at m/z 220. For ((quadrupole)) quantitative analysis, the first quadrupole mass filter was set to transmit m/z 220 and a narrow-range magnet scan yielded a spectrum of parents, including m/z 238 and 248, correspending to ketamine and pethidine, respectively.
authors: National Analytical Research Center of Electrochemistry and Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China.
authors: F
authors: F
authors: Song
authors: M
authors: M
authors: Cui
authors: S
authors: S
authors: Liu
mesh_terms: D002853:Chromatography, Liquid; D006801:Humans; D013058:Mass Spectrometry; D008614:Meperidine / Q000032:analysis* / Q000652:urine
chemical_list: D008614:Meperidine