A low cost fiber optic p11 sensor for the in-situ measurement of groundwater.

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 2835, Issue , 1996, Pages 221-227

  Lynch, R J ^a   Bolton, M D ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

Fiber optic; Groundwater; PH sensor

Indexed keywords

COSTS; ENVIRONMENTAL TECHNOLOGY; FIBER OPTICS; GROUNDWATER; PH;

IN-SITU MEASUREMENT; LOW COSTS; SINGLE CHANNELS;

PH SENSORS;

EID: 0345499550     PISSN: 0277786X     EISSN: 1996756X     Source Type: Conference Proceeding    
DOI: 10.1117/12.259775     Document Type: Conference Paper

References (15)

1. Y B Acar, Y B Hamed, A N Alshawabkeh and R J Gale, "Removal of cadniium(ll) from saturated kaolinite by the application of electric current", Geotechnique, VoL 44, p. 239, (1994).
2. R J Lich and M Penn, in preparation.
3. C Camara, M C Moreno and G Orellana, Review: "Chemical Sensing with Fiberoptic Devices" in Biosensors with Fibreoptics, Wise and Wingard Editors, 1991, Hunmna Press Inc.
4. M H Maher and M R Shahriari, "A fiber-optic chemical sensor for the measurement of groundwater PH", Journal ofTesting andEvaluation VoL 21 No. 5, p. 448, (1993).
5. T Y Hao, X K Xing and C C Liu, "A pH sensor constructed with 2 types of optical fibres-The configuration and the initial results", Sensors andActuators B, Vol 10, No. 2, p. 155, (1993).
6. C Muller, B Hitzmann, F Schubert and T Scheper, pH based optic biosensors for use in chemical and biotechnical applications, SPIE, VoL 2388, p. 558, (1995).
7. Z M Hale and F P Payne, "Fluorescent sensors based on tapered single-mode optical fibres", Sensors andActuators B, Vol 17, p. 233, (1994).
8. R B Thompson and J R Lakowicz, "A fiber optic pH sensor based on phase fluorescence lifetimes, Analytical Chemistry" VoL 65, p. 853, (1993).
9. W C Mitcliie, B Cuishaw, I McKenzie, et aL "A distributed sensor for water and pH measurements using fiber optics and swellable polymeric systems", Optics Letters, Vol. 20, p. 103, (1995).
10. P C Hauser, and J C Litten, 'Plow injection analysis with bulk extraction based optical sensor membranes", Analytica Chimica Acta, Vol 294, No. 1, p. 49, (1994).
11. S F Zhang, Y A B D Wickramasinghe and P Rolfe, "Investigation of an optical fibre pH sensor with the membrane based on phospholipid copolymer", Biosensors andBioelectronics, VoL 1 1, p. 1 1, (1996).
12. Z J Zhang, Z Shakhsher and W R Seitz, "Aminated polystyrene membranes for a fiberoptic pH sensor based on reflectance changes accompanying polymer swelling" Microchimica Acta, Vol 121, p. 41, (1995).
13. D F Cui, , Q Cao, J H Han, J G Cai, Y T Li and ZMZhu, "Optical fiber pH sensor" Sensors and ActuatOrs B VoL12, p. 2, (1993).
14. GE Badini, K T V Grattan and A C C Tseung, "Impregnation of a pH sensitive dye into sol-gels for fiber optic chemical sensors", Analyst, VoL 120, p. 1025, (1995).
15. T F Liebert and D R Walt, "Synthesis of pH sensitive modified cellulose ether halfesters and their use in pH detecting systems based on fiber optics' Journal of Controlled Release, VoL 35, p. 155, (1995).