Journal
TALANTA
Volume 223, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2020.121767
Keywords
Antimony; Electrochemical; Pre-concentration; Hydride generation
Categories
Funding
- Scientific Grant Agency VEGA of the Slovak Republic [1/0159/20]
- Slovak Research and Development Agency [APVV-15-0355]
- Competence Center for SMART Technologies for Electronics and Informatics Systems and Services [ITMS 26240220072]
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Trace concentrations of antimony in aquatic samples were determined by high resolution continuum-source atomic absorption spectrometry (HR-CS AAS) after electrochemical pre-concentration and electrochemical hydride generation. The method has a detection limit below 0.1 μg/L and precision of 3-5%. Antimony was electrochemically deposited in a microporous glassy carbon electrode as elemental antimony then was electrochemically converted at the same electrode surface to antimony hydride.
Trace concentrations of antimony in aquatic samples were determined by high resolution continuum-source atomic absorption spectrometry (HR-CS AAS) after electrochemical pre-concentration and electrochemical hydride generation. Antimony was electrochemically deposited in a microporous glassy carbon electrode as elemental antimony then was electrochemically converted at the same electrode surface to antimony hydride which was transported by argon gas to the quartz cuvette of the spectrometer. The detection limit and precision of the method are below 0.1 mu g L-1 and 3-5%, respectively. The method was employed for the determination of antimony in a CRM and water samples including surface, underground and waste water.
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