Spectrophotometric study on praseodymium complex with alizarin complex. | Proceedings of Pakistan Academy of Sciences 1990

Author(s)

Nasef B. El-Assy Faculty of Education, Suez Canal University, Port Said, Egypt

Gad B. El-Hefnawy Chemistry Department, Faculty of Science, University of Tanta, Tanta, Egypt

Safaa H. Etaiw Chemistry Department, Faculty of Science, University of Tanta, Tanta, Egypt

Abstract

Alizarin complex (AC) was found to combine with the praseodynium ion in the ratio of 1:1 with the formation of a red coordination complex, exhibiting maximum absorbance at 520 nm. The value of the constant of this complex has been calculated using two different spectrophotometric methods, the continuous variation method and optimum blank compensation method, and was found to be 4. 8 and 4. 5 respectively. The type of bonding has been established on the basis of it spectra of the complex.

Publication Details

Page(s) 311-320

DOI DOI not available

Published Journal: Proceedings of Pakistan Academy of Sciences, Volume: 27, Issue: 4, Year: 1990

Keywords

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