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Titanic acid

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Title: Titanic acid  
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Subject: Titanium compounds, Mohai Agnes mineral water, Lead titanate, Mineral acids, Titanium dioxide
Collection: Hydroxides, Mineral Acids, Titanium Compounds
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Titanic acid

Titanic acid
Identifiers
 Y
ChemSpider  Y
EC number 243-744-3
Jmol-3D images Image
MeSH
PubChem
Properties
TiH
4
O
4
Molar mass 115.896 g mol−1
Appearance White crystals
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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. No crystallographic and little spectroscopic support exists for these materials. Some older literature including Brauer's Handbook refers to TiO2 as titanic acid.[1]

  • Metatitanic acid (H
    2
    TiO
    3
    ),[2]
  • Orthotitanic acid (H
    4
    TiO
    4
    ).[3] It is described as a white salt-like powder under "TiO3•2.16H2O."[4]
  • Peroxo titanic acid (Ti(OH)
    3
    O
    2
    H
    ) 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.[5]

References

  1. ^ C. Remigius Fresenius (1887). Qualitative Chemical Analysis. J. & A. Churchill. pp. 115–116. 
  2. ^ F.P. Dunnington (1891). "On metatitanic acid and the estimation of titanium by hydrogen peroxide". Journal of the American Chemical Society 13.  
  3. ^ Leonard Dobbin, Hugh Marshall (1904). Salts and their reactions: A class-book of practical chemistry. University of Edinburgh. 
  4. ^ P. Ehrlich "Titanium(IV) Oxide Hydrate TiO2•nH2O" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1218.
  5. ^ P. Ehrlich "Peroxotitanic Acid H4TiO5" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1219.

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.  


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