柚皮苷的伏安行为
Voltammetric Behavior of Naringin
摘 要
柚皮苷在pH 8.3的0.05 mol·L-1氯化钾支持电解质溶液中,产生灵敏的线性扫描极谱峰,峰电位为-1.31 V(vs.Ag/AgCl).峰电流与柚皮苷浓度在2.0×10-6~1.5×10-5mol·L-1范围内呈线性关系.用线性扫描和循环伏安法研究体系的伏安行为,结果表明,该电极反应过程为具有吸附性的不可逆过程.
电化学行为
线性扫描
柚皮苷
Voltammetry
Electrochemical behavior
Linear sweeping
Naringin
Abstract
It was found that in a supporting electrolyte solution of 0.05 mol·L-1 KCl (pH 8.3),a sensitive polarographic reduction peak produced by naringin was observed at the peak potential of -1.31 V (vs.Ag/AgCl electrode) using linear sweeping polarography.Linear relationship between values of peak current and concentration of naringin was obtained in the range of 2.0×10-6~1.5×10-5mol·L-1.Based on this electrode reaction,a method for determination of flavonoids was proposed.Voltammetric behavior of the reaction was studied by linear sweeping and cyclic voltammetry.As shown by the experimental results,the electrode reaction was an irreversible process,having adsorptive characteristic..
中图分类号 O657.14
所属栏目 工作简报
基金项目 教育部春晖计划(Z2005-1-65001)
收稿日期 2007/12/28
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备注刘红(1966-),女,新疆人,教授,主要研究方向为分析化学科研及教学工作.
引用该论文: LIU Hong,QIAN Zong-yao,LI Bing-qi,WANG Yin-mei. Voltammetric Behavior of Naringin[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2009, 45(3): 310～312
刘红,钱宗耀,李炳奇,王银美. 柚皮苷的伏安行为[J]. 理化检验－化学分册, 2009, 45(3): 310～312
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参考文献
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