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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Pourreza, Nahid Marahel, Farzaneh Parham, Hooshang |
| Description | Author Affiliation: Parham H ( Chemistry Department, Faculty of Sciences, Shahid Chamran University, 6135714168 Ahvaz, Iran. Electronic address: hoparham@yahoo.com.); Pourreza N ( Chemistry Department, Faculty of Sciences, Shahid Chamran University, 6135714168 Ahvaz, Iran.); Marahel F ( Chemistry Department, Faculty of Sciences, Shahid Chamran University, 6135714168 Ahvaz, Iran.) |
| Abstract | A sensitive, simple and novel method was developed to determine 2-mercaptobenzothiazole (2MBT) in water samples. This method was based on the interaction between gold nanoparticles (AuNPs) and 2MBT followed by increasing of the resonance Rayleigh scattering (RRS) intensity of nanoparticles. The change in RRS intensity (ΔIRRS) was linearly correlated to the concentration of 2MBT over the ranges of 5.0-100.0 and 100.0-300.0 µg L(-1). 2MBT can be measured in a short time (5 min) without any complicated or time-consuming sample pretreatment process. Parameters that affect the RRS intensities such as pH, concentration of AuNPs, standing time, electrolyte concentration, and coexisting substances were systematically investigated and optimized. Interference tests showed that the developed method has a very good selectivity and could be used conveniently for determination of 2MBT. The limit of detection (LOD) and limit of quantification (LOQ) were 1.0 and 3.0 µg L(-1), respectively. Relative standard deviations (RSD) for 20.0 and 80.0 µg L(-1) of 2MBT were 1.1 and 2.3, respectively. Possible mechanisms for the RRS changes of AuNPs in the presence of 2MBT were discussed and the method was successfully applied for the analysis of real water samples. |
| ISSN | 13861425 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Volume Number | 151 |
| e-ISSN | 18733557 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-01-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Benzothiazoles Analysis Gold Chemistry Metal Nanoparticles Scattering, Radiation Water Pollution, Chemical Limit Of Detection Journal Article Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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