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| Names | |
|---|---|
| IUPAC name
Orthotitanic acid
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.039.752 |
| EC Number |
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| MeSH | titanium+hydroxide |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| Ti(OH)4 | |
| Molar mass | 115.90 g/mol |
| Appearance | White crystals |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Titanic acid is a general name for a family of chemical compounds of the elements titanium, hydrogen, and oxygen, with the general formula [TiOx(OH)4−2x]n. Various simple titanic acids have been claimed, mainly in the older literature.[1] No crystallographic and little spectroscopic support exists for these materials. Some older literature refers to TiO2 as titanic acid,[2] and the dioxide forms an unstable hydrate when TiCl4 hydrolyzes.[3]
- Metatitanic acid (H2TiO3),[4]
- Orthotitanic acid (H4TiO4)[5] or Ti(OH)4. It is described as a white salt-like powder under "TiO2·2.16H2O".[6]
- Peroxotitanic acid (Ti(OH)3O2H) has also been described as resulting from the treatment of titanium dioxide in sulfuric acid with hydrogen peroxide. The resulting yellow solid decomposes with loss of O2.[7]
- Pertitanic acid (H2TiO4)[citation needed]
- Pertitanic acid ([TiO(H2O2)]2+)[8]
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References
- ^ Frederick Pearson Treadwell (1916). Qualitative analysis. J.Wiley & sons, Incorporated. p. 538. Retrieved 26 March 2021.
- ^ C. Remigius Fresenius (1887). Qualitative Chemical Analysis. J. & A. Churchill. pp. 115–116.
- ^ Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 421.
- ^ F.P. Dunnington (1891). "On metatitanic acid and the estimation of titanium by hydrogen peroxide". Journal of the American Chemical Society. 13 (7): 210–211. doi:10.1021/ja02124a032.
- ^ Leonard Dobbin, Hugh Marshall (1904). Salts and their reactions: A class-book of practical chemistry. University of Edinburgh.
- ^ Ehrlich, P. (1963). "Titanium(IV) Oxide Hydrate TiO2·nH2O". In Brauer, G. (ed.). Handbook of Preparative Inorganic Chemistry. Vol. 1 (2nd ed.). New York: Academic Press. p. 1218.
- ^ Ehrlich, P. (1963). "Peroxotitanic Acid H4TiO5". In Brauer, G. (ed.). Handbook of Preparative Inorganic Chemistry. Vol. 1 (2nd ed.). New York: Academic Press. p. 1219.
- ^ Fukamauchi, Hisao (1967). "Analysis using fluotitanic acid-hydrogen peroxide reagent: A review". Fresenius' Journal of Analytical Chemistry. 229 (6): 413–433. doi:10.1007/BF00505508. S2CID 92389986.
Further reading
- C.K. Lee; et al. (2004). "Preparation and Characterization of Peroxo Titanic Acid Solution Using TiCl3". Journal of Sol-Gel Science and Technology. 31 (1–3): 67–72. doi:10.1023/B:JSST.0000047962.82603.d9. S2CID 98144172.
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This page was last edited on 30 December 2023, at 00:02