26 November 1996 Low-cost fiber optic pH sensor for the in-situ measurement of groundwater
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Abstract
A very simple pH sensor is described which is suitable for in-situ measurement of groundwater. It uses fiber optics to transmit and receive light to and from a sensor which is based on the use of bleed-proof pH paper. The typical components for a single channel cost around 20 pounds.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Roderick J. Lynch, Roderick J. Lynch, Malcolm D. Bolton, Malcolm D. Bolton, } "Low-cost fiber optic pH sensor for the in-situ measurement of groundwater", Proc. SPIE 2835, Advanced Technologies for Environmental Monitoring and Remediation, (26 November 1996); doi: 10.1117/12.259775; https://doi.org/10.1117/12.259775
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