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Citation: JIANG Qi-Ying, DENG Hong-Quan, SHEN Juan, ZHONG Guo-Qing. Synthesis,Characterization and Thermal Decomposition of Complex PrBi(edta)(NO₃)₂·6.5H₂O[J]. Chinese Journal of Applied Chemistry, ;2008, 25(8): 983-985. shu

Synthesis,Characterization and Thermal Decomposition of Complex PrBi(edta)(NO₃)₂·6.5H₂O

1.
Department of Chemistry, Southwest University of Science and Technology, Mianyang 621010

Corresponding author: ZHONG Guo-Qing,
Received Date: 16 July 2007
Available Online: 28 September 2007
Fund Project: 四川省科技厅资助项目(05JY029-113) (05JY029-113)青年基金(ZK043129,ZK053012)资助项目 (ZK043129,ZK053012)

A novel bimetallic complex PrBi(edta)(NO₃)₂·6.5H₂O was synthesized by the reaction of NH₄Bi(edta)·2H₂O with praseodymium nitrate at a stoichiometric ratio of 1:1 in distilled water. The yield was about 45%. The complex is stable at room temperature and nonhydroscopic. The composition and structure of the complex was characterized by elemental analyses, FT-IR, TG-DSC and XRD. The crystal of the complex belongs to monoclinic system with cell parameters: a=0.988 5 nm, b=2.347 2 nm, c=1.375 6 nm, β=93.375°. IR spectrum and thermal analysis indicate that the thermal decomposition of the complex proceeded in several stages, the dehydration, pyrolysis of ligand, and finally the decomposition of the metallic salt, and the residue is an oxide with formula BiPrO₃ at 600℃.
- bimetallic complex,
- bismuth(Ⅲ),
- praseodymium(Ⅲ),
- thermal decomposition
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Synthesis,Characterization and Thermal Decomposition of Complex PrBi(edta)(NO3)2·6.5H2O

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Synthesis,Characterization and Thermal Decomposition of Complex PrBi(edta)(NO₃)₂·6.5H₂O