SOLVENT-EXTRACTION OF GALLIUM(III) AND INDIUM(III) WITH 1-(4-ETHYLPHENYL)-3-HYDROXY-4-PYRIDONES AND 1-(4-ETHYLPHENYL)-3-HYDROXY-2-METHYL-4-PYRIDONES

被引：7
|
作者：
TSUCHIYA, M [1 ]
KOHATA, K [1 ]
ODASHIMA, T [1 ]
ISHII, H [1 ]
机构：
[1] TOHOKU UNIV,INST CHEM REACT SCI,AOBA KU,SENDAI,MIYAGI 980,JAPAN
来源：
ANALYTICAL SCIENCES | 1995年 / 11卷 / 03期
关键词：
1-(4-ETHYLPHENYL)-3-HYDROXY-4-PYRIDONE; 1-(4-ETHYLPHENYL)-3-HYDROXY-2-METHYL-4-PYRIDONE; GALLIUM(III); INDIUM(III); EXTRACTION EQUILIBRIUM;
D O I：
10.2116/analsci.11.343
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new extracting agent, 1-(4-ethylphenyl)-3-hydroxy-4-pyridone (C2-HPP), was synthesized and used for the extraction of aluminum(III), gallium(III) and indium(III) into 1,2-dichloroethane. The acid dissociation constants, K-a, and the partition coefficient, K-D, of C2-HPP and the extraction constants, K-ex, of its metal complexes were determined. These results obtained were compared with those of 1-(4-ethylphenyl)-3-hydroxy-2-methyl-4-pyridone (C2-HMPP) reported already. The removal of a methyl group from the molecule of C2-HMPP was very effective for increasing the K-a values of C2-HPP and K-ex values of the metal complexes. The extracted species were ML(3) in all the extraction systems, where M denotes the metal ion.
引用
收藏
页码：343 / 347
页数：5
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