METAL-CHELATES WITH SOME CELLULOSE DERIVATIVES .2. PREPARATION AND CHARACTERIZATION OF CO(II)-CMC COMPLEXES

被引:34
作者
ABDELHADI, AK [1 ]
HOSNY, WM [1 ]
BASTA, AH [1 ]
ELSAIED, H [1 ]
机构
[1] NATL RES CTR,DEPT CELLULOSE & PAPER,CAIRO,EGYPT
关键词
D O I
10.1080/03602559408013108
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Complexes of three grades of sodium carboxymethyl cellulose (CMC) with cobalt(II) chloride have been prepared and characterized by elemental analysis, magnetic measurements, and infrared (IR) and electronic spectroscopy. The studies revealed that CMCs react with cobalt(II) in the stoichiometric ratio 1:1 (metal ion:ligand). The ligand field parameters of the octahedral Co(II) complexes were calculated. The stability of these complexes was studied in DMF medium using spectrophotometric methods. The optimum conditions favoring complex formation are critically evaluated.
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页码:781 / 791
页数:11
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