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Abstract:
研究了在碱性介质中金属离子催化邻硝基苯基荧光酮(o-NPF)-H2O2体系的化学发光行为。结果表明,在研究的20多种金属离子中,只有Co2+离子对o-NPF-H2O2体系有较强的催化发光作用,Co2+的浓度与发光强度在2.5×10-9~3.0×10-6g/mL范围内呈良好的线性关系。通过对化学发光光谱、荧光光谱的研究以及用Huckel分子轨道法(HMO)计算了o-NPF的π电子分布和键级,提出了o-NPF可能的化学发光机理.
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分析化学
ISSN: 0253-3820
CN: 22-1125/O6
Year: 1998
Issue: 06
Page: 684-688
1 . 2 0 0
JCR@2023
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