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Proceedings Paper

Chemical Studies On Acid-Base Indicators For The Development Of An Extrinsic Optical Fiber pH Sensor
Author(s): M. Bacci; F. Baldini; A. M. Scheggi
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Paper Abstract

Spectrophotometric behaviour of acid-base indicators immobilized on XAD-2 microspheres are reported and an accurate comparison with the properties of the dye in liquid phase is carried out. On the basis of this study phenol red is chosen as the most suitable dye for pH detection in the physiological range (7.0-7.5). The sensor model for pH measurements is described and experimental results are discussed.

Paper Details

Date Published: 19 January 1989
PDF: 4 pages
Proc. SPIE 0990, Chemical, Biochemical, and Environmental Applications of Fibers, (19 January 1989); doi: 10.1117/12.959977
Show Author Affiliations
M. Bacci, Istituto di Ricerca sulle Onde Elettromagnetiche del C.N.R. (Italy)
F. Baldini, Istituto di Ricerca sulle Onde Elettromagnetiche del C.N.R. (Italy)
A. M. Scheggi, Istituto di Ricerca sulle Onde Elettromagnetiche del C.N.R. (Italy)


Published in SPIE Proceedings Vol. 0990:
Chemical, Biochemical, and Environmental Applications of Fibers
Robert A. Lieberman; Marek T. Wlodarczyk, Editor(s)

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