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Abstract:
在pH 5.0的Britton-Robinson缓冲溶液中,马兜铃酸在玻碳电极上产生不可逆的还原波(Vc,p=-0.51 V vs.Ag/AgCl),具有吸附控制特性.利用马兜铃酸的电化学还原性质建立微分脉冲伏安法测定体系.马兜铃酸浓度在8.0×10-7~6.0×10-6 mol/L范围内与还原峰电流呈良好的线性关系,检出限达1.6×10-8mol/L.测定方法简便灵敏,应用于关木通中马兜铃酸总酸含量的快速测定,结果令人满意.
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分析测试学报
ISSN: 1004-4957
CN: 44-1318/TH
Year: 2007
Issue: 5
Volume: 26
Page: 736-738,741
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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