The invention relates to sensors and in particular relates to a liquid membrane electrode sensing system sensitive to organic boronic acid compounds and a detection method of the sensing system. The liquid membrane electrode sensing system comprises a working electrode, a detector with a potential testing function, an external reference electrode and a stirring device, wherein the working electrode consists of an inner conduction system and a sensitive membrane fixed at one end of the inner conduction system; the inner conduction system is an electrode chamber (a liquid contact type electrode) or a solid electrode (a solid contact type electrode) filled with an inner filling solution and an inner reference electrode; and the sensitive membrane is a phase which is doped with a receptor containing the organic boronic acid compounds and is immiscible with water. According to the liquid membrane electrode sensing system and the detection method disclosed by the invention, the detection of a potential membrane electrode on the nonionic organic boronic acid compounds and corresponding anion state compounds of the nonionic organic boronic acid compounds and corresponding anion state compounds is realized for the first time, and the system has the advantages that the organic boronic acid compounds do not need to be pre-modified, organic boronic acid groups are not damaged, and the like.
; 王学伟
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