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. Author manuscript; available in PMC: 2016 Jan 22.
Published in final edited form as: Environ Sci Nano. 2015 Apr 27;2(3):251–261. doi: 10.1039/C5EN00033E

Fig. 7.

Fig. 7

FT-IR spectra of precalcined polymer PVP composite (PVP01) and the calcined Al2O3 fibres at various soak temperatures (S650–S950). (A) Full spectra 500–1400 cm−1; (B) and (C) are reduced spectra ranges as indicated by boxes in (A).