Low-Cost Optical Fibre Chemical Sensor for Use in Liquid Acid-Base Titration

Ahmad, Musa and Kaskandar, Mohd. Rosli and Tan, Teng Wong (2003) Low-Cost Optical Fibre Chemical Sensor for Use in Liquid Acid-Base Titration. Pertanika Journal of Science & Technology, 11 (1). pp. 31-41. ISSN 0128-7680

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Abstract

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.

Item Type:Article
Publisher:Universiti Putra Malaysia Press
ID Code:3785
Deposited By: Nur Izyan Mohd Zaki
Deposited On:01 Dec 2009 07:29
Last Modified:27 May 2013 07:11

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