The invention belongs to the technical field of analytical tests, and particularly relates to a fluorinion polymer film potential type sensor and application thereof.In the fluorinion polymer film potential type sensor, tetraphenyl antimony bromide serves as an ion carrier, and a cation exchanger serves as an ion site.The fluorinion polymer film potential type sensor can detect fluorinion in a water body.The sensor is simple in structure, low in cost and high in sensitivity and has good practical application prospects.
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