Green Analytical Methodology Using Indian Almond (Terminalia Catappa L.) Leaf Extract for Determination of Aluminum Ion in Waste Water from Ceramic Factories

The use of natural reagents from plant extracts for chemical analysis is one of the approaches in the development of low cost and environmentally friendly green analytical chemistry methodology. Here, crude extract from Indian Almond (Terminalia Catappa L.) leaves was used for colorimetric determina...

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Bibliographic Details
Published in:Analytical Sciences 2013/06/10, Vol.29(6), pp.655-659
Main Authors: INSAIN, Pimporn, KHONYOUNG, Supada, SOOKSAMITI, Ponlayuth, LAPANANTNOPPAKHUN, Somchai, JAKMUNEE, Jaroon, GRUDPAN, Kate, ZAJICEK, Katja, HARTWELL, Supaporn KRADTAP
Format: Article
Language:English
Subjects:
Aluminum - analysis
Analytical Chemistry
Ceramics
Chemistry
Chemistry Techniques, Analytical
Colorimetry
Flow Injection Analysis - methods
Green Chemistry Technology - economics
Ions
Molecular Structure
Plant Leaves
Prunus
Terminalia
Time Factors
Waste Water - chemistry
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Summary:The use of natural reagents from plant extracts for chemical analysis is one of the approaches in the development of low cost and environmentally friendly green analytical chemistry methodology. Here, crude extract from Indian Almond (Terminalia Catappa L.) leaves was used for colorimetric determination of aluminum by monitoring the absorbance of the Al3+-extract complex at 435 nm. Dry leaves and freeze-dried fresh leaf extract can be kept for extended use. A simple flow injection analysis (FIA) system was also employed for rapid analysis (approximately 180 injections/h). The linear working range up to 100 mg L−1 was established with a detection limit (blank + 3SD) of 0.8 mg L−1, a limit of quantitation (blank + 10SD) of 2.4 mg L−1, and a relative standard deviation of 3 – 5%. This simple green analytical chemistry methodology was applied for the determination of Al3+ in waste water samples from ceramic factories. The results agreed well with the results obtained from the ICP-OES technique.
ISSN:0910-6340
1348-2246
DOI:10.2116/analsci.29.655