Abstract
WE have examined the mechanism of adsorption from solution in benzene of some organic molecules on titanium dioxide pigments. Pigments were allowed to come to equilibrium in 0.015–0.030 M solutions in benzene of the compounds. The pigment was filtered off, under reduced pressure, and made into self-supporting disks; their infrared spectra were measured at 30° C with a Unicam SP100 spectrophotometer, using a rock-salt prism-grating double monochromator (1,000–3,650 cm−1) and a silica prism (3,600–3,800 cm−1). Compensation for scatter by the sample was achieved by placing either metal gauzes or blank pigment disks in the reference beam.
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SMITH, I. Infra-red Spectra of Polar Molecules adsorbed on Titanium Dioxide Pigments. Nature 201, 67–68 (1964). https://doi.org/10.1038/201067a0
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DOI: https://doi.org/10.1038/201067a0
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