Chinese Journal of Applied Chemistry ›› 1986, Vol. 0 ›› Issue (5): 89-91.
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Guo Dingli1, Zhang Qiang2, Yin Guanghua2
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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.
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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