Low-Cost Optical Fibre Chemical Sensor for Use in Liquid Acid-Base Titration
A simple low-cost portable optical fibre chemical sensor instrument has been developed in this study by using a laser diode as a light source and solid-state photodiode as a detector. This inexpensive device is shown to have a good response and can be used in three different liquid acid-base titr...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Universiti Putra Malaysia Press
2003
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| Online Access: | http://psasir.upm.edu.my/id/eprint/3785/1/Low-Cost_Optical_Fibre_Chemical_Sensor_for_Use.pdf http://psasir.upm.edu.my/id/eprint/3785/ |
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| Summary: | A simple low-cost portable optical fibre chemical sensor instrument has been
developed in this study by using a laser diode as a light source and solid-state
photodiode as a detector. This inexpensive device is shown to have a good
response and can be used in three different liquid acid-base titration studies Le.
strong acid-strong base, strong acid-weak base and weak acid-strong base, by
using a suitable pH indicator. The results obtained by using this instrument
were found comparable with titration data obtained by using conventional pH
meter. |
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