应用化学 ›› 1986, Vol. 0 ›› Issue (5): 89-91.
• 研究简报 • 上一篇 下一篇
郭鼎力1, 张强2, 尹光华2
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Guo Dingli1, Zhang Qiang2, Yin Guanghua2
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摘要： 十一烯酸系皮肤病外用药,其药典测定方法为酸碱滴定法。本文以季铵盐7402、336S作定城体,以PVC作支撑体,分别研制了十一烯酸根离子选择性电极。十一烯酸根电极尚未见报道。
Abstract: A radical electrode of PVC membrane based on an associated substance of quaternary ammonium salt 7402 [CH3 (CnH2n+1)3NCl,n=9-11] or 336S [CH3(C8H17)3NCl] and undecylenic acid radical was described. The electrode made of 7402 ammonium salt exhibites a linear response to undecylenic acid anion in alkaline solution with concentration ranging from 1.2?10-5 to 5.2?10-1M. Limit of detection is 7.5?10-6 M.The proposed electrode may be used for pharmaceutical analysis.
郭鼎力, 张强, 尹光华. PVC膜电极的研究—Ⅳ.十一烯酸根药物电极的研制[J]. 应用化学, 1986, 0(5): 89-91.
Guo Dingli, Zhang Qiang, Yin Guanghua. STUDIES ON PVC MEMBRANE ELECTRODES Ⅳ.DEVELOPMENT OF UNDECYLENIC ACID RADICAL PHARMACEUTICAL ELECTRODE[J]. Chinese Journal of Applied Chemistry, 1986, 0(5): 89-91.
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