In this study, a spectrophotometry method for detection of Al 3+ ion was developed using Alizarin Red S (ARS). ARS in the presence of Al 3+ ion form brown complex solution. Al
ARS complex formation was characterized by using UV-Vis spectrophotometer (UV-Vis). The developed method showed a linear response in the range of 1 ppm to 10 ppm
with an isosbestic point of 436 nm. Moreover, photostability study indicates that ARS exhibited a stable reading for a duration of 6 hours. This method displayed
high selectivity towards Al 3+ ion concentration with no interferences from Pb 2+ , Fe 2+ , Cu 2+ and Zn 2+ ions. The ARS reagent was then immobilized in alginate to form film. Analysis using FTIR spectrophotometer shows that the presence of IR peak for ARS-alginate at 1107.44 cm
-1 , 1474.09 cm -1 , 1637.77 cm and 3405.76 cm -1 .
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Creators: | Creators Email / ID Num. Wan Khalid, Wan Elina Faradilla wan_elina@uitm.edu.my Samsudin, Siti Hamizah UNSPECIFIED Raja Othman, Raja Mohamad Shafiq UNSPECIFIED |
| Divisions: | Universiti Teknologi MARA, Negeri Sembilan > Kuala Pilah Campus > Faculty of Applied Sciences |
| Event Title: | International Jasin Multimedia & Computer Science Invention & Innovation Exhibition (3rd edition) |
| Event Dates: | 17-28 Feb 2020 |
| Page Range: | pp. 77-80 |
| Keywords: | Spectrophotometry; Aluminium; Alizarin Red S |
| Date: | February 2020 |
| URI: | https://ir.uitm.edu.my/id/eprint/424 |
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424.pdf
