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Chemiluminescence system of Ce(IV)-RhB-bismerthiazol |
| HE Shuhua1, HE Deyong2, ZHANG Zhujun3 |
| 1.Department of Chemistry, Yangtze Normal University; 2.College of Chemistry and Chemical Engineering, Jinggangshan University; 3.College of Chemistry and Chemical Engineering, Southwest University; |
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Abstract A novel chemiluminescence system for the determination of bismerthiazol is first described in this paper. It is based on the chemiluminescence reaction of bismerthiazol and Ce(IV) in nitric acid solution. The emission intensity could be enhanced greatly by Rhodamine B. The chemiluminescence intensity was proportional to bismerthiazol concentration over the range 30–1000 ?g/L. The detection limit was 12 ?g/L (3?) and the relative standard deviation is 2.4% for 500 ?g/L of bismerthiazol (n = 11). The proposed method was successfully applied to the determination of bismerthiazol in water and in rice. The recovery was 96.4%–104.1%.
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Issue Date: 05 December 2008
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