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Citation: WANG Rui-Fen, SUN Zhong, ZHANG Yin. Synthesis and Characterization of Al₅ and Al₉ in Solution of Hydrolyzed Al(Ⅲ)[J]. Chinese Journal of Applied Chemistry, ;2009, 26(7): 878-880. shu

Synthesis and Characterization of Al₅ and Al₉ in Solution of Hydrolyzed Al(Ⅲ)

WANG Rui-Fen ^a,b ,
SUN Zhong ^a,, ,
ZHANG Yin ^b

1.
a College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021;
2.
b College of Rare Earth, Inner Mongolia University of Science and Technology, Baotou

Corresponding author: SUN Zhong,
Received Date: 10 October 2009
Available Online: 4 January 2009
Fund Project: 国家自然科学基金(20563002) (20563002)内蒙古自然科学基金(200508010204) (200508010204)内蒙古教育厅重点项目基金(ZD01070)资助项目 (ZD01070)

Two new polyaluminum compounds,AlCl₃·4Al(OH)₃·7.5H₂O and 2AlCl₃·7Al(OH)₃·18H₂O,were prepared from aluminum powder,aluminum chloride and distilled water by adjusting the reaction temperature,raw material ratio and degree of basification,and evaporation and crystallization.The polyaluminum chlorides were characterized by XRD,chemical analysis and IR.We discovered that the change of reaction with the change of temperature was a reversible process.The optimal formation temperature for AlCl₃·4Al(OH)₃·7.5H₂O and 2AlCl₃·7Al(OH)₃·18H₂O was 75 ℃.The products crystallized very well,and their purities were 99.57% and 88.68% respeatively.
- hydroxy polynuclear aluminum species,
- Al₅,
- Al₉,
- synthesis,
- characterization
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Synthesis and Characterization of Al₅ and Al₉ in Solution of Hydrolyzed Al(Ⅲ)