- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
Article Detail
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Structural characterization and degradation efficiency of degradation products of iopromide by electron beam irradiation
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2014, v.27 no.6, pp.292-299
https://doi.org/10.5806/AST.2014.27.5.292
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(2014). Structural characterization and degradation efficiency of degradation products of iopromide by electron beam irradiation. Analytical Science and Technology, 27(6), 292-299, https://doi.org/10.5806/AST.2014.27.5.292
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Abstract
Iopromide is an X-ray contrast agent that has been detected frequently with high concentration levelin surface waters. Structural characterization of degradation products and measurement of degradation efficiencyof iopromide by an electron beam irradiation were performed. For the fortified sample with iopromide, electronbeam irradiation (UELV-10-10S, klysotrn, 10 MeV, 1 mA and 10 kW) was performed. The chemical structuresof I_D_665 and I_D_663, which are degradation products of iopromide, were proposed by interpretation ofmass spectra and chromatograms by LC/ESI-MS/MS. The mass fragmentation pathways of mass spectra intandem mass spectrometry were also proposed. Iopromide was degraded 30.5~98.4% at dose of 0.3~5 kGy,and 97.8~30% in the concentration range 0.5~100 μg/kg at electron beam dose of 0.3 kGy, respectively. Thus,increased degradation efficiency of iopromide by electron beam irradiation was observed with a higher doseof electron beam and lower concentration.
- keywords
- iopromide, electron beam, degradation products, degradation efficiency
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