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Study on the Chemiluminescence System of 1,10-Phenanthroline-1- Oxide-Copper(Ⅱ)- Peroxide

Zhu changqing; Wang Lun;Wu jialiang(Department of chemistry )  
The optimum reaction conditions of 1.10-phenanthroline-1-oxide (phenNO)-Cu(Ⅱ)-H_2O_2 chemiluminescence system were studied. A method for determina-tion of trace Cu is proposed. The method, with a detection limit of 7.9×10 ̄(-9)mol/L,produces a good curve range for trace Cu between 1. 6×10 ̄(-8)~1. 6×10 ̄(-6)mol/L. The ef-fect of foreign ions was tested. It can be applied to the determination of copper in hair.tea, selected copper ore with satisfactory results. The authors have discussed the possi-ble mechanism of chemiluminescence in the system.
【Fund】: 省教委科研基金
【CateGory Index】: O644.1
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