Page 288 - Handbook of Instrumental Techniques for Analytical Chemistry

278 Handbook of Instrumental Techniques for Analytical Chemistry

Figure 15.21 FTIR diffuse reflectance spectra of silica Figure 15.22 FTIR transmittance spectra of a film with a
treatment of 200 three-layer composition (Primacor–nylon–Primacor).
samples. Spectra before and after TiCl 4
°C pretreated silica and the difference spectrum resulting (a) Outer layer, (b) center layer, and (c) Primacor stan-
from spectral subtraction are shown. (Reprinted from dard. (Reprinted by permission from Spectroscopy, Vol.
Colloids and Surfaces, 63, J. P. Blitz, pp. 11–19, 8, No. 8 by T. I. Shaw, F. S. Karl, A. Krishen and L. E.
copyright 1992, with kind permission from Elsevier Porter, ©1993 by Advanstar Communications.)
Science—NL, Sara Burgerhartstraat 25, 1055 KV
Amsterdam, The Netherlands.)

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