titanium dioxide

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titanium

 [ti-ta´ne-um]
a chemical element, atomic number 22, atomic weight 47.90, symbol Ti. (See Appendix 6.)
titanium dioxide a white powder used in ointment or lotion as a sunscreen.

ti·ta·ni·um di·ox·ide

TiO2; contains not less than 99.0% and not more than 100.5% of TiO2, calculated on the dry basis; used in creams and powders as a protectant against external irritations and solar rays.

ti·ta·ni·um di·ox·ide

(tī-tānē-ŭm dī-oksīd)
Agent used in creams and powders as a protectant against external irritations and solar rays.

ti·ta·ni·um di·ox·ide

(tī-tānē-ŭm dī-oksīd)
Agent used in creams and powders to protect against external irritations and sun rays.
References in periodicals archive ?
It has been reported to anatase, for example, crystallite sizes of 18 nm and 25 nm, for Ti[O.sub.2] thermally treated by muffle at 400[degrees]C during 5 or 6 hours [23,24].
Table-1: Surface area Crystalline phase and crystalline sizes of various samples (Anatase TiO2).
The (5, 40)-Zr--Ti[O.sub.2] films showed amorphous to anatase phase transition after annealing at 500 [degrees]C, which was sustained up to 700 [degrees]C.
In rutile, anatase, amorph BSA and brookite BSA groups, the highest toxicity to cancer cells was at a concentration of 50 [micro]g/mL nanoparticles for 72 hours.
Furthermore, phase transits from anatase to rutile could be detected using this method.
Anatase can promote apatite nucleation at a faster growth rate than rutile due to its better lattice match with apatite crystals [14].
In order to reflect the spontaneity of interactions between the anatase Ti[O.sub.2] (101) surface and gas molecules, the adsorption energy ([E.sub.ad]) was defined as follows:
XRD patterns (Figures 2(a) and 2(b)) show that the crystalline structures correspond mainly to anatase when acidic solutions with pH 1 were used with both catalysts.
Herein, we proposed freestanding flexible winkled carbon nanofiber-embedded anatase Ti[O.sub.2] nanoparticles (CNF-Ti[O.sub.2]) as anode of SIBs directly without binder and current collector, which can not only increase the energy density but also explore the potential application in flexible devices.
Their frequencies coincide with the frequencies observed in the Raman spectrum of a Ti[O.sub.2] monocrystalline anatase modification [15, 16].
The anatase grade type segment of the global titanium dioxide market is projected to grow at the highest CAGR from 2016 to 2021.