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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 23, Number 8
BKCSDE 23(8)
August 20, 2002

Title	GC-MS/MS Analysis of Benzo(a)pyrene by Ion Trap Tandem Mass Spectrometry
Author	Jae Jak Nam, Sang Hak Lee
Keywords	PAHs, Benzo(a)pyrene, Ion trap mass spectrometry, CID, MS/MS
Abstract	The mass spectrometry using an ion trap tandem mass spectrometer has been investigated to find optimum conditions for the analysis of benzo(a)pyrene (3,4-benzpyrene). The applicability to a real soil sample was also investigated to verify the usefulness of the MS/MS (or collision induced dissociation, CID) analysis. The optimum CID condition was 1.5 and 0.45 for the RF excitation voltage and the q value, respectively. For comparison, CID and EI were applied to the analysis of a soil sample. CID analysis was more sensitive than EI analysis of the soil sample. The limit of detection (LOD) of benzo(a)pyrene was 3.18 ng mL^-1 and 0.85 ng mL,^-1 for EI and MS/MS analysis, respectively. The precision at the soil sample for EI and CID showed relative standard deviations of 6.1% and 4.1%, respectively, and the concentrations were 168 ㎍ kg^-1 and 162 ㎍ kg^-1 , respectively.
Page	1097 - 1102
Full Text	PDF

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