Bahan Penderia untuk Pengesanan Aluminium Berasaskan Reagen Kolorimetrik Terdop dalam Filem Sol-Gel

Ahmad, Musa and Abdul Manaf, Norleen (2002) Bahan Penderia untuk Pengesanan Aluminium Berasaskan Reagen Kolorimetrik Terdop dalam Filem Sol-Gel. Pertanika Journal of Science & Technology, 10 (1). pp. 99-109. ISSN 0128-7680

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Abstract

Sol-gel technique was used in this study for sensing material preparation which could be used for aluminium detection in aqueous environment. Two organic reagents i.e. eriochrome cyanine R (ECR) and chrome azurol S (CAS), which are sensitive to aluminium were used in this study. The precursors used for the sol-gel solution preparation were tetraethyl orthosilicate (TEOS), water and ethanol in the volume ratio of 30:31:30. Dip-coating method was used to deposit the sol-gel solution onto microscope slide glass support to produce a thin sol-gel film. The study shows that the immobilised reagents have a good photo-stability, still maintaining their chemical properties as in free solution and regenerable by using NaF solution. The study also indicates that the reagen doped in sol-gel film still react with the analyze and could be potentially used as sensing material for aluminium detection.

Item Type:Article
Keyword:Filem sol-gel, bahan penderia, mengesan aluminium
Publisher:Universiti Putra Malaysia Press
ID Code:3716
Deposited By: Nur Izzati Mohd Zaki
Deposited On:01 Dec 2009 03:06
Last Modified:27 May 2013 07:10

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