Surface-enhanced resonance Raman spectroscopy as an ancillary high-performance liquid chromatography detector for nitrophenol compounds.
作者： Fan. Ni , Lana. Thomas , Therese M. Cotton
DOI: 10.1021/AC00183A021
关键词:
摘要: In this study, the potential application of surface-enhanced resonance Raman scattering (SERRS) spectroscopy as an off-line secondary detector for HPLC has been evaluated. Four nitrophenol compounds, 2-nitrophenol, 4-nitrophenol, 2,4-dinitrophenol, and 4,6-dinitrocresol were separated by isocratic reverse-phase high-performance liquid chromatography (RP-HPLC) monitored with a conventional UV detector. Resonance (RR) SERRS next used to provide required specificity distinguishing compounds. The detection limit both 2-nitrophenol 4-nitrophenol was calculated be 14 ppb that 2,4-dinitrophenol estimated lie near parts-per-billion level well. This is 2-3 orders magnitude lower than obtained RR spectroscopy.
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