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http://dx.doi.org/10.5012/bkcs.2002.23.8.1097

GC-MS/Ms Analysis of Benzo(a)pyrene by Ion Trap Tandem Mass Spectrometry  

Nam, Jae-Jak
Lee, Sang-Hak
Publication Information
Bulletin of the Korean Chemical Society / v.23, no.8, 2002 , pp. 1097-1102 More about this Journal
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 usef ulness 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.
Keywords
PAHs; Benzo(a)pyrene; Ino trap mass spectrometry; CID; MS/MS;
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