Studies on the Cocolouration Effect in Scandium-Rare Earth p-acetylchlorophosphonazo System

Abstract

Abstract: Scandium forms a β-type complex with p-acetylchlorophosphonazo(CPApA)in acidic medium.In the presence of cerium,a cocolouration effect was observed due to the formation of a mixed polynuclei complex[Sc-Ce-(CPApA)₂].In this paper,the transformation reaction between α-complex of scandium-CPApAand β-complex was studied kinetically and the mechanism of the formation of the ternary complex was discussed.Finally,the cocolouration effect of scandium on RE-CPApAsystem has also been discussed.

Key words: Scandium, Rare earth, p-Acetylchlorophosphonazo, Cocolouration effect

TrendMD:

LIU Shuang-Cheng, XU Zhong-Jun, PAN Jiao-Mai. Studies on the Cocolouration Effect in Scandium-Rare Earth p-acetylchlorophosphonazo System[J]. Chem. J. Chinese Universities, 1996, 17(7): 1056.

References

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