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Proceedings Paper

PH control of water flowing in micro structure by local electrical field method
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Paper Abstract

We have tried to control water pH by a micro pH control system. We fabricate the micro chip system for pH control constructed with a photoresist channel and integrated electrodes. In this system, the micro channels are set onto the electrodes and electrical field is applied to the electrodes. As a result, the pH of de-ionized (DI) water is can be changed from 7.0 to 7.4. In a macro system using a glass beaker and Al electrodes, the water pH can be changed from 7.3 to 8.6. We believe that this study can contribute to bio-electronics, medical and agriculture fields.

Paper Details

Date Published: 14 December 2009
PDF: 9 pages
Proc. SPIE 7520, Lithography Asia 2009, 752033 (14 December 2009); doi: 10.1117/12.841129
Show Author Affiliations
Akihiro Takano, Nagaoka Univ. of Technology (Japan)
Akira Kawai, Nagaoka Univ. of Technology (Japan)


Published in SPIE Proceedings Vol. 7520:
Lithography Asia 2009
Alek C. Chen; Woo-Sung Han; Burn J. Lin; Anthony Yen, Editor(s)

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