An optical fiber pH sensing probe based on-bleeding pH strips

Authors

  • Nena V. Rodriguez Research Center for the Natural Sciences, University of Santo Tomas, España, Manila
  • Fortunato Sevilla III Research Center for the Natural Sciences, University of Santo Tomas, España, Manila

DOI:

https://doi.org/10.26534/kimika.v6i1.15-20

Keywords:

pH sensor, optical fiber sensor, non-bleeding pH strips

Abstract

Simple, easy-to-construct fiber-optic pH sensors based on commercial non-bleeding pH strips were developed. The response of these sensors was monitored through the reflectance of the indicator strips at 540 nm. The sensors exhibited a linear behavior at the pH ranges of 5.0-6.6 and at 7.0-9.0. The response was highly reproducible, reversible and stable.

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How to Cite

Rodriguez, N. V., & Sevilla III, F. (1990). An optical fiber pH sensing probe based on-bleeding pH strips. KIMIKA, 6(1), 15–20. https://doi.org/10.26534/kimika.v6i1.15-20

Issue

Vol. 6 (1990)

Section

Research Articles

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