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Method and device for detecting ammonia nitrogen by using all-solid ammonia nitrogen sensor
Authors
丁兰
丁家旺
秦伟
Publication date
10 December 2019
Publisher
Abstract
本发明涉及全固态氨氮传感,是一种利用全固态氨氮传感器的检测氨氮的方法及其装置。传感器由氨气敏电极、参比电极和电位测量仪组成,其中,氨气敏电极为电极基地的底部依次粘附传导层、聚合物敏感膜、水凝胶层和防水透气膜。本发明采用水凝胶作为电极的内充液,水凝胶的作用是固定内充液,提高电极的稳定性。在水凝胶的作用下,电极的内充液得到进一步固定,通过透气膜进入到电极内充液的氨气可以在内充液中快速的转换成铵离子,从而使电极达到较快的响应
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Last time updated on 14/02/2024