应用电化学方法,系统研究keggin结构稀土取代衍生物Ln(MW_(11)_2(M=As,Ti,Ga,Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Dy)在溶液中的氧化还原性质,得其氧化顺序,提出还原机理。
王为清
,
张秀媚
. 电分析化学在杂多酸(盐)研究中的应用──稀土钨砷、钨镓及钨钛杂多配合物氧化还原性质的研究[J]. 电化学, 1995
, 1(4)
: 422
-426
.
DOI: 10.61558/2993-074X.1314
The redox properties of Ln(MW_(11))_2(M=As, Ti, Ga; Ln=La,ce,pr,Nd,Sm,Eu,Gd , Dy ) are systematically studied.It has been found that the redox order is La(AsW_(11))_2>La(TiW_(11))_2>La(GaW_(11))_2.The reduction process of Ln(MW_(11))_2 anion has been discussed.
1NoritakaMizuno,MakotoMisono.Heteropolyanionsincatalysis.J.Mol.Catal.,1994,86(1-3):319~3422KeitaB.NadjoL.Surfacemodicationswithheteropolyandisopolyoxometalates.J.Electroanal.Chem.,1990,287:149~1573HyunkyungSungetal.Polypyrrolewithheteropolytungstateanions.ElectrochimicaActa.,1994,39(5):645~6504王宝新,董绍俊.同多酸和杂多酸修饰微电极的电化学研究.分析化学,1992,20(9):1069~10735王恩波等.Keggin结构和Dawson结构杂多酸(盐)及其衍生物的氧化还原性质研究.中国科学(B辑),1990,2:130~1366刘景福等.镧系元素的杂多钨砷酸盐的合成与性质研究.高等学校化学学报,1986,7(7):565~5687JingfuLiuetal.SynthesisandcharacterizationofBis(undecatungstogallate)Lanthanatesofpotassium.Inorg.Chim.Acta.1989(164):179~1838JingfuLiuetal.SynthesisandCharacterizationofundecatungstotitanatesincorporatingalanthanideoratransitionmetal.TransitionMet.Chem.,1991,16:169~172