1,2,3,4-丁烷四羧酸镧系络合物的制备及热重和红外光谱研究

稀土, 2005, 26(3): 5-46. doi: 10.3969/j.issn.1004-0277.2005.03.002

1,2,3,4-丁烷四羧酸镧系络合物的制备及热重和红外光谱研究

张连惠 ^1, , 张成 ^2, , 姜恒 ^3, , 宫红 ^4, , 苏婷婷 ^5,

1.辽宁石油化工大学,石油化工学院,辽宁,抚顺,113001

2.辽宁石油化工大学,石油化工学院,辽宁,抚顺,113001

3.辽宁石油化工大学,石油化工学院,辽宁,抚顺,113001

4.辽宁石油化工大学,石油化工学院,辽宁,抚顺,113001

5.辽宁石油化工大学,石油化工学院,辽宁,抚顺,113001

基金项目: 辽宁省教育厅资助项目(20051016)

关键词：络合物 , 1,2,3,4-丁烷四羧酸 , 镧系金属 , 热重分析 , 红外光谱

Synthesis, Thermal and Spectral Investigation of Lanthanide(Ⅲ) Complexes with 1,2,3,4-butanetetracarboxylic Acid

1,2,3,4-丁烷四羧酸镧系(Ln = La,Ce,Pr,Nd,Yb)络合物为结晶固体,其通式:Ln4(C8H6O8)3·nH2O,Ln＝Ce、Pr、Nd,n=8;Ln＝La,n=7;Ln＝Yb,n=11.在加热过程中,它们首先失去络合物中所含的水,再进一步加热,开始分一步(Ce,Pr)或两步(La,Yb,Nd,中间产物为Ln2O2CO3)热分解,最终生成镧系金属氧化物.红外光谱研究表明Ln4(C8H6O8)3*nH2O中羧酸盐基团为双齿配位螯合体.

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1,2,3,4-丁烷四羧酸镧系络合物的制备及热重和红外光谱研究

Synthesis, Thermal and Spectral Investigation of Lanthanide(Ⅲ) Complexes with 1,2,3,4-butanetetracarboxylic Acid

参考文献