Low-temperature synthesis of Hausmannite Mn3O4

被引:75
作者
Al Sagheer, FA [1 ]
Hasan, MA [1 ]
Pasupulety, L [1 ]
Zaki, MI [1 ]
机构
[1] Kuwait Univ, Fac Sci, Dept Chem, Kuwait 13060, Kuwait
关键词
D O I
10.1023/A:1006620114539
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Hausmannite, Mn3O4, was synthesized by the hydrothermal oxidation of suspended Mn(OH)2 at ambient air at room temperature. The hausmannite exhibited thermal stability up to 250 °C. The formation of the Mn3O4 at such low-temperature regime avoids the undesirable effects of sintering on the surface accessibility. The low-temperature Mn3O4 assumes a relatively higher specific area than the Mn3O4(R) synthesized by calcination at 1050 °C.
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页码:209 / 211
页数:3
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