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. Author manuscript; available in PMC: 2011 Apr 15.
Published in final edited form as: J Colloid Interface Sci. 2010 Jan 18;344(2):298–307. doi: 10.1016/j.jcis.2010.01.021

Figure 5.

Figure 5

Study of void volume of siPCCA. a. Diffraction spectra obtained from the 450 °C heat treated siPCCA in air and with solvent infiltrations of methanol, ethanol, chloroform, and toluene. b. Linear best fit of the diffraction maxima of the 450 °C solvent infiltration data of a versus solvent refractive index. c. SEM image showing wall porosity of siPCCA after 450 °C heat treatment. d. Diffraction dependence on solvent refractive index for 250 °C heat treated sample