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The 7‐Iodo‐8‐Quinolinol‐5‐Sulfonic Acid Chelates of Some Rare Earth Metal Ions
Author(s) -
Chang TiaoHsu,
Huang MeiHsia
Publication year - 1971
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.197100012
Subject(s) - chemistry , chelation , sulfonic acid , inorganic chemistry , ionic strength , rare earth , metal , acid dissociation constant , metal ions in aqueous solution , chloride , dissociation constant , ion , sodium , dissociation (chemistry) , nuclear chemistry , polymer chemistry , organic chemistry , aqueous solution , mineralogy , biochemistry , receptor
The dissociation constants of 7‐iodo‐8‐quinolinol‐5‐sulfonic acid and the formation constants of it's chelates with La(III), Pr(III), Nd(III), Sm(III), Eu(III), Gd(III), Tb(III), Dy(III), Ho(III), Er(III), Tm(III), Yb(III) and Lu(III) have been determined potentiometrically in 1:1 v/v dioxane‐water medium at 25±0.1°C and at an ionic strength of 1 with respect to sodium chloride.