1959
DOI: 10.1021/j150574a042
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Abstract: Reversible oxygen adsorption has been measured on commercial grade titanium dioxide powder at 500, 700 and 900°as a function of the ambient pressure by a weighing technique. No oxygen adsorption is detectable in highly purified Ti02 in the same temperature range. Mass losses have been recorded in a dynamic high vacuum as a function of temperature for highly purified Ti02 "bulk" and also for purified Ti02 containing various quantities of BaO, TiF, and Na20. Details of the techniques employed for carrying out th… Show more

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Cited by 23 publications
(2 citation statements)
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“…However, as compared to TiO 2 P25 from Degussa used in numerous studies (BET area ≈ 50 m 2 /g), the IR transmission at 3800 cm -1 is significantly lower for TiO 2 PC 500 (i.e., 1%) than TiO 2 P 25 (i.e., 10%) for the same amount of solid. The role of the impurities in the adsorption properties of TiO 2 is well-known, 25 and those of PC 500 are 0.34 wt % SO 3 .…”
Section: Methodsmentioning
confidence: 99%
“…However, as compared to TiO 2 P25 from Degussa used in numerous studies (BET area ≈ 50 m 2 /g), the IR transmission at 3800 cm -1 is significantly lower for TiO 2 PC 500 (i.e., 1%) than TiO 2 P 25 (i.e., 10%) for the same amount of solid. The role of the impurities in the adsorption properties of TiO 2 is well-known, 25 and those of PC 500 are 0.34 wt % SO 3 .…”
Section: Methodsmentioning
confidence: 99%
“…On the right side of the phase (containing 40-05% O b.w.) no excess oxygen was found, although there are some reports (Czanderna & Honig, 1959) showing that Ti02, especially preparations of commercial grade absorb oxygen at elevated temperatures. This work was supported by the National Science Foundation under the contract No.…”
Section: Imperfections Within the Tio~-phasementioning
confidence: 95%