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低成本的光学pH传感器,具有基于商用现成 (COTS) 组件的聚氨酸 (PANI) 敏感层

Serguei Stoukatch1, Marc Debliquy2, Francois Dupont1

  • 1Microsys Laboratory, Department of Electrical Engineering and Computer Science (Montefiore Institute), University of Liège, 4000 Liège, Belgium.

Micromachines
|December 23, 2023
PubMed
概括

我们开发了一种低成本,紧的pH传感器,使用聚氨 (PANI) 薄膜. 这种简单的功能设备具有广泛的pH值范围的灵敏度,并且需要最小的样本体积,因此非常适合各种应用.

关键词:
在COTS组件中,COTS的组件是:颜色测量表征的色度表征.一个光学pH值传感器.这是一个光学传感器.聚氨酸氨酸是一种聚氨酸.

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Certain organic substances change color in dilute solution when the hydronium ion concentration reaches a particular value. For example, phenolphthalein is a colorless substance in any aqueous solution with a hydronium ion concentration greater than 5.0 × 10−9 M (pH < 8.3). In more basic solutions where the hydronium ion concentration is less than 5.0 × 10−9 M (pH > 8.3), it is red or pink. Substances such as phenolphthalein, which can be used to determine the pH of a solution, are...
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