Silver nanoparticles as a cyanide colorimetric sensor in aqueous media
Publish place: 1st National Conference on Nano Science and Technology
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NNTC01_722
تاریخ نمایه سازی: 8 آبان 1389
Abstract:
We report here a simple, cost effective, rapid, sensitive and selective colorimetric sensor for the detection of cyanide using silver nanoparticles. The sensitivity and selectivity was also investigated. We suggest that cyanide can bound to the Ag NPs surface, and moved SDS away from the silver surface. As a result, it is expected that a redox reaction can occurs between silver and O2 of air .There is a linear rela(onship (y=7644.1x+0.0099, R2 =0.9968) between the absorbance intensity of the Ag NPS and concentra(on of CN- ion over the range from 16.7μMto 133μM at the absorp(on of 394nm. The proposed has been successfully used for the determina(on of cyanide in different water samples.
Authors
Salahaddin hajizadeh
Department of Chemistry, Faculty of Science, Urmia University, Urmia, Iran
Khalil Farhadi
Department of Chemistry, Faculty of Science, Urmia University, Urmia, Iran
Reza Emamali- Sabzi
Department of Chemistry, Faculty of Science, Urmia University, Urmia, Iran
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