Zhang Yuzhao. ANALYSIS METHOD OF COBALT ON SILICA SUPPORTED COBBALT-PHOSPHINE COMPLEX CATALYST. [J]. Journal of University of Jinan(Social Science Edition) (4):69-72(1995)
Zhang Yuzhao. ANALYSIS METHOD OF COBALT ON SILICA SUPPORTED COBBALT-PHOSPHINE COMPLEX CATALYST. [J]. Journal of University of Jinan(Social Science Edition) (4):69-72(1995)DOI:
ANALYSIS METHOD OF COBALT ON SILICA SUPPORTED COBBALT-PHOSPHINE COMPLEX CATALYST
摘要
硅胶担载的钻膦配合物经矿化之后
钴样在PH=4—7的介质中与4—[(5—chloro—2—pyridyl)azo]—1
3—diaminobenzene生成一种红色配合物
该配合物在酸性介质中颜色加深
利用分光光度法测定钴含量.
Abstract
Cobalt-phosphine complex catalysts supported in silica were acided
the cobolt ions react with 4 - [(5-chloro - 2 - pyridyl) azo] - 1
3 - diaminobenzene in PH=4-7 medium to form colour coordinate compound and the colour get intensive in acidic medium. Cobalt content was measured with spectrophotometry.