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. Author manuscript; available in PMC: 2012 Jul 21.
Published in final edited form as: Environ Sci Technol. 2011 Jan 21;45(4):1399–1406. doi: 10.1021/es103324z

Figure 2.

Figure 2

Comparison of experimental infrared spectra of Fe(III)-montmorillonite clay/pentachlorophenol (PCP) system: (a) observed spectrum after exposure to water vapor, (b) observed spectrum under vacuum, and calculated spectra (c) (d) and (e) for PCP/FeOH2+ (structure 0a of SI 3), PCP/H2O and PCP respectively. Lines 1, 2 indicate the peak shifts of 1420 and 1381cm−1. Lines 3 and 4 indicate new peaks due to formation of radical cation in experimental (b) and calculated (c) spectra. The scaling factor was 0.98.