Preparation of micron-sized spherical porous iron oxide particles

被引:25
|
作者
Apblett, AW [1 ]
Kuriyavar, SI [1 ]
Kiran, BP [1 ]
机构
[1] Oklahoma State Univ, Dept Chem, Stillwater, OK 74078 USA
关键词
D O I
10.1039/b301259j
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Reaction of the cationic ion exchange resin Dowex 650C with an excess of aqueous ferric chloride yields a material that, upon pyrolysis, is converted to porous, spherical, nanocrystalline hematite particles (average crystallite size 12.0 nm). The resulting iron oxide has a low density (2.4 g cm(-3)) and a relatively high surface area (30 m(2) g-1), and serves as a good sorbent for arsenic.
引用
收藏
页码:983 / 985
页数:3
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