LIQUID-LIQUID-EXTRACTION OF ALKALINE-EARTH AND ALKALI-METAL IONS WITH ACYLPYRAZOLONES

被引：33

作者：

BUKOWSKY, H ^{[1
]}

UHLEMANN, E ^{[1
]}

GLOE, K ^{[1
]}

MUHL, P ^{[1
]}

机构：

[1] ZENT INST FESTKORPERPHYS & WERKSTOFFORSCH,O-8027 DRESDEN,GERMANY

来源：

ANALYTICA CHIMICA ACTA | 1992年 / 257卷 / 01期

关键词：

ALKALI METALS; ALKALINE EARTH METALS; EXTRACTION; LITHIUM CHLORIDE;

D O I：

10.1016/0003-2670(92)80156-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The extraction of calcium, magnesium and lithium with 1-phenyl-3-methyl-4-stearoylpyrazol-5-one and with 1-phenyl-3-methyl-4-lauroylpyrazol-5-one was studied and separation factors were determined. A good separation of alkaline earth metal ions from lithium chloride can be achieved. 1-Phenyl-3-methyl-4-benzoylpyrazol-5-one in the presence of trioctylphosphine oxide is also suitable as an extractant for lithium whereas other alkali metals are extracted to only a minor extent. The distribution constant of this ligand was obtained for the investigated system. From the extraction data, stability constants of the formed complexes were determined.

引用

页码：105 / 108

页数：4

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