Spectrophotometric Determination of the First Hydrolysis Constant of Praseodymium (III)
DOI:
https://doi.org/10.29356/jmcs.v54i1.965Keywords:
Hydrolysis of Pr(III), Hydrolysis Constants, Spectrophotometric Titrations, SQUADAbstract
The behavior of the trivalent ion praseodymium in 2M of NaCl at 303 K and in CO2 free conditions, was studied. Spectrophotometric titrations of the soluble species were used, in order to obtain the value of the first hydrolysis constant of Pr(III). The data obtained were treated with both the program SQUAD and by a graphic method, respectively. The result obtained using SQUAD was log*ß1 = –8.94 ± 0.03, while it was log*ß1 = –8.77 ± 0.03, when calculated graphically. These results are similar to the value obtained previously with the potentiometric method.
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References
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3. Baes, Jr. Ch. F.; Mesmer, R.E. The Hydrolysis of Cations, Wiley, New York, 1976, 129-149.
4. Moeller, T.; Kremers, H. E. Chem. Rev. 1945, 37, 97-159.
5. Tobias, R.; Garret A. J. Am. Chem. Soc. 1956, 80, 3532-3537.
6. Frolova, U. K.; Kumok, V. N.; Serebrennikov, V. V. Izv. Bysshikh Uchebn. Zavedenii 1966, Khim. Teknol. 9, 176-179; CA: 65, 9816c.
7. Guillaumont, R.; Desiré, B.; Galin, M. Radiochem. Radioanal. Lett. 1971, 8, 189-198.
8. Burkov, K. A.; Bus’ko, E. A.; Pichugina, I. V. Russ. J. Inorg. Chem. 1982, 27, 362-364.
9. Ciavata, L., Porto, R., Vasca, E. Polyhedron 1989, 8, 983-989.
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11. Ramírez-García, J. J.; Solache-Ríos, M.; Jiménez-Reyes, M.; Rojas-Hernández, A. J. Solution Chem. 2003, 33, 879-896.
12. López-González, H.; Jiménez-Reyes, M.; Solache-Ríos, M.; Ramírez-García, J. J.; Rojas-Hernández, A. J. Solution Chem. 2005, 34, 429- 443.
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14. Canham, G. R. Descriptive Inorganic Chemistry, Addison Wesley, Longman, 1996, 465-475.
15. Vickery, R. C. Analytical Chemistry of the Rare Earths, Pergamon Press, New York, 1961, 81-94.
16. Treadwell, F. P. Analytical Chemistry, Vol. I, Qualitative Analysis, Wiley. Chapman and Hall, London, 1942, pp. 468-478.
17. Harris, E. W.; Kratochvil, B. An Introduction to Chemical Analysis, Saunders/CBS, Philadelphia, 1981, 370-423.
18. Burriel, F.; Lucena, F.; Arribas, S.; Hernández, J. Química Analítica Cualitativa, Ed. Paraninfo, México, 2002. Chapter 13.
19. Harris, D. C. Análisis Químico Cuantitativo, Reverté, México, 2001, 499-508.
20. Rouessac, F.; Rouessac, A. Análisis Químico: Métodos y Técnicas Instrumentales Modernas, Mc Graw Hill, España, 2003, pp. 137167.
21. Tuck, D. G. Pure Appl. Chem. 1989, 61, 1161-1163.
22. Pinsuwan, S.; Álvarez-Núñez, F. A.; Tabibi, E.; Yalkowsky, S. H. J. Pharm. Sci. 1999, 88, 535-537.
23. Feldmann, I. Anal. Chem. 1956, 28, 1859-1866.
24. Miller, J. N.; Miller, J. C. Estadística y Quimiometría para Química Analítica, Pearson, Madrid, 2002, pp. 45-55, 263-265.
25. Ayres, G. H. Análisis Químico Cuantitativo, Harla, México, 1975, 333-336.
26. Sangina, Q. A. Rare Metals, Izdatel’stu Metallurgiya, Moskva, 1964, 192-194.
27. Fritz, J. S.; Oliver, R. T.; Pietrzik, D. J. Anal. Chem. 1958, 30, 1111-1114.
28. Charlot, G. Chimie Analytique Quantitative II, Sixième edition, Masson Et Cie, Paris, 1974, 538-539.
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