Penderia pH Berkomputer Menggunakan Gentian Optik
Ahmad, Sahrim and Ahmad, Musa and Kok Long, Wong (1996) Penderia pH Berkomputer Menggunakan Gentian Optik. Pertanika Journal of Science & Technology, 4 (2). pp. 209-220. ISSN 0128-7680
This paper discusses the development of a pH sensor using optical fibre. Optical fibre was used to guide light from the light source, LED, to the probe and eventually to a photodetector, i.e. solid state photodiode. A few drops of phenolptalin were added to the solution before the measurement was made. This sensor can be used for acid-base titration. The sensor was interfaced to a personal computer to facilitate the data retrieval process.
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