Microanalysis of Cobalt by the Solid Surface Chemiluminesence Technique

Abstract

Abstract: Asolid surface chemiluminescence method using the filter paper with anti-permeate barrier as a solid substrate to measure cobalt based on luminol-H₂O₂-Co(Ⅱ)system is described. The chemiluminescence characteristics of cobalt(Ⅱ) on the solid surface is investigated. The linear range for cobalt is 0.11000 ng. The detection limit is 8 pg/spot, and the relative standard deviation for 0. 1 ng cobalt is 7.2%(n=11). The present method has been successfully applied to the microanalysis of cobalt in the monomineral and steel.

Key words: Solid surface luminescence, Chemiluminescence, Cobalt, Microtechique

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ZHANG Zhu-Jun, YANG Wei-Ping, LU Jiu-Ru. Microanalysis of Cobalt by the Solid Surface Chemiluminesence Technique[J]. Chem. J. Chinese Universities, 1994, 15(8): 1146.

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Microanalysis of Cobalt by the Solid Surface Chemiluminesence Technique

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