引用本文:
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, 3(5): 89-91.
Citation: 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, 3(5): 89-91.
Citation: 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, 3(5): 89-91.
PVC膜电极的研究Ⅳ.十一烯酸根药物电极的研制
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[1]。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[2-3]。
English
STUDIES ON PVC MEMBRANE ELECTRODES Ⅳ. DEVELOPMENT OF UNDECYLENIC ACID RADICAL PHARMACEUTICAL ELECTRODE
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.
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