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Merck
CN

718467

Sigma-Aldrich

氧化钛(IV)

nanopowder, 21 nm primary particle size (TEM), ≥99.5% trace metals basis

别名:

Aeroxide® P25, 二氧化钛

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About This Item

线性分子式:
TiO2
CAS号:
分子量:
79.87
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.23

质量水平

方案

≥99.5% trace metals basis

表单

nanopowder

表面积

35-65 m2/g , BET

一次粒径

21 nm (TEM)

mp

1850 °C
>350 °C (lit.)

密度

4.26 g/mL at 25 °C (lit.)

SMILES字符串

O=[Ti]=O

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

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一般描述

Our titanium(IV) oxide nanopowder is a fine white powder composed of titanium dioxide nanoparticles with an average particle size of 21 nm, resulting in a high surface area of 35-65 m2/g. Two main physico-chemically distinct polymorphs of TiO2 are anatase and rutile. Anatase has a higher photocatalytic activity than rutile but is thermodynamically less stable.

应用

TiO2 纳米颗粒被用于研究光催化己烷蒸气降解。它已被用作去除砷的吸附剂。TiO2 纳米颗粒适合作为光催化剂修复废水中的抗菌成分。它还被用于研究二氧化钛纳米颗粒对DNA寡核苷酸的吸附作用。

储存分类代码

13 - Non Combustible Solids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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Remediation of Antiseptic Components in Wastewater by Photocatalysis Using TiO2 Nanoparticles
Das R, et al.
Industrial & Engineering Chemistry Research, 53(8), 3012-3020 (2014)
Removal of arsenic from aqueous solution by two types of nano TiO2 crystals.
Ma L and Tu SX
Environmental Chemistry Letters, 9(4), 465-472 (2011)
Photocatalytic degradation of hexane vapors in batch and continuous systems using impregnated ZnO nanoparticles
Saucedo-Lucero JO and Arriaga S
Chemical Engineering Journal, 218, 358-367 (2013)
Xu Zhang et al.
Langmuir : the ACS journal of surfaces and colloids, 30(3), 839-845 (2014-01-07)
Titanium dioxide (TiO2) or titania shows great promise in detoxification and drug delivery. To reach its full potential, it is important to interface TiO2 with biomolecules to harness their molecular recognition function. To this end, DNA attachment is an important
Shanshan Zhang et al.
Archives of toxicology, 94(4), 1173-1190 (2020-03-13)
Titanium dioxide nanoparticles (TiO2NPs) have been widely used as food additives in daily life. However, the impact of oral intake of TiO2NPs on the nervous system is largely unknown. In this study, 7-week-old mice were treated with either vehicle or

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