Citation:
HUANG Ting-Ting, ZHOU Jian-Hua, PENG Qian, LIANG Ru-Ping, CAI Pei-Xiang. A Chlorphenamine Maleate Electrode Immobilized by SiO2 Sol-Gel[J]. Chinese Journal of Applied Chemistry,
;2004, 21(7): 673-677.
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A chlorphenamine maleate (CPM) electrode of potentiometric type has been prepared by drip-coating the surface of disk platinum electrode with SiO2 sol-gel containing chlorphenamine tetraphenylborate ion-pair complex as sensing agent.Experimental results indicate the good electrode performances.The range of linear response is 5.2×10-7~8.0×10-4 mol/L with detection limit of 2.8×10-7 mol/L,the slope is 5.78×10-2 V/pC and the correlation coefficient 0.999.The electrode can be used at pH range of 3.0~8.5 and exhibits an excellent stability and reproducibility.The determination of chlorphenamine maleate in pharmaceuticals also gives satisfactory results.The electrode shows good properties when it is applied to urine sample and gives a good excretion curve of chlorphenamine maleate.
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