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Determination of Stability Constants of 2-Hydroxy-1-Naphthalidene-2'-Methyl-4'-Nitro-Aniline Complexes with Y3+, La3+, Pr3+, Nd3+, Gd3+ and Dy3+

M. S. MAYADEO, S. S. PUROHIT
1980 Zenodo  

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Department of Chemistry, Ramnarain Ruia College, Bombay-100 019 Manuscript received 2 January 1979, revised 24 January 1980, accepted 26 July 1980 "Potentiometric studies have been carried out on metal complexes of Y3+, La3+, Pr3+, Nd3+, Gd3+ and Dy3+ with 2-hydroxy-1-naphthalidene-2'-methyl-4'-nitroaniline. The dissociation constants (pK1+pK2) of the reagent and the formation constants of its metal complexes have been determined by Bjerrum method at 25°±0.1° and at an ionic strength 0.1M in 75
more » ... : 25 percent (v/v) dioxan-water medium. The validity of Born's relation was examined by studying the plot of Z2/r vs log k values of rare earth complexes of the ligand.
doi:10.5281/zenodo.6372191 fatcat:sjsyss6hxrgxbhbrr4emry7qv4
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M. S. MAYADEO, S. S. PUROHIT. "Determination of Stability Constants of 2-Hydroxy-1-Naphthalidene-2'-Methyl-4'-Nitro-Aniline Complexes with Y3+, La3+, Pr3+, Nd3+, Gd3+ and Dy3+." Zenodo (1980)