Title :
A simple instrument for measuring total suspended solids in polluted marine waters
Author :
Daraigan, S.G. ; MatJafri, M.Z. ; Abdullah, K. ; Abdul Aziz, A. ; Tajuddin, A.A.
Author_Institution :
Sch. of Phys., Univ. Sains Malaysia, Penang, Malaysia
Abstract :
Measurement of total suspended solids TSS concentration is essential to characterize polluted or turbid marine waters, and to further estimate various water constituents using an optical algorithm. The objective of this work is to design an optical sensor system for measuring the total suspended solids concentration. The proposed instrument measures the radiation scattered by suspended solids in water samples. This optical sensor used light-emitting diodes, LED´s, as sources, and a silicon photodiode as a detector. The readings were measured using a multimeter. The linear correlation coefficient between the estimated total suspended solids and measured TSS was very high and the root mean square error was low.
Keywords :
chemical sensors; elemental semiconductors; light emitting diodes; marine pollution; optical sensors; photodiodes; silicon; spectrochemical analysis; suspensions; Si; light-emitting diodes; linear correlation coefficient; multimeter; optical sensor system; polluted marine waters; root mean square error; silicon photodiode; total suspended solids; turbid marine waters; water constituents; Instruments; Light emitting diodes; Light scattering; Optical design; Optical scattering; Optical sensors; Pollution measurement; Silicon; Solids; Water pollution;
Conference_Titel :
Sensors and the International Conference on new Techniques in Pharmaceutical and Biomedical Research, 2005 Asian Conference on
Print_ISBN :
0-7803-9370-8
DOI :
10.1109/ASENSE.2005.1564543
