(DOWNLOAD) "Chelating Behaviour of 4-[N-(3:4-Methylene Dioxy Benzylidene) Amino] Antipyrine Semicarbazone Towards Uranyl Ion." by Bulletin of Pure & Applied Sciences-Chemistry # Book PDF Kindle ePub Free
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eBook details
- Title: Chelating Behaviour of 4-[N-(3:4-Methylene Dioxy Benzylidene) Amino] Antipyrine Semicarbazone Towards Uranyl Ion.
- Author : Bulletin of Pure & Applied Sciences-Chemistry
- Release Date : January 01, 2006
- Genre: Engineering,Books,Professional & Technical,
- Pages : * pages
- Size : 200 KB
Description
INTRODUCTION 4-acyl pyrazolones (Jensen 1959, Zolotov et al 1966, 1968, Karalova and Pyzhova 1968, Monseev and Monokhov 1968) have been shown to be good extraction reagents for metals in acidic solutions. Akama et al (1985,1986) in their systematic study of alkyl substituted-4-acyl derivatives of 3-methyl-1-phenyl pyrazol-5-one showed that due to its slightly lower Pka-values, the 4-benzoyl derivative proved to be more efficient in the extraction of metal ions than the other 4-acyl pyrazolones studied (Akama et al 1985, Akama et al 1986).