Journal
ANALYTICAL LETTERS
Volume 42, Issue 14, Pages 2214-2231Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00032710903137400
Keywords
Dispersive liquid-liquid microextraction; flame atomic absorption spectrometry; microsample introduction; silver; water analysis
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Funding
- Research Council of Iran University of Science and Technology (IUST)
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A new simple and sensitive method has been proposed for rapid determination of trace levels of silver in environmental water samples, using dispersive liquid-liquid microextraction (DLLME) prior to its microsample introduction-flame atomic absorption spectrometry. Under the optimum conditions, the linear range was 0.1-7 mu g L-1 and limit of detection was 0.018 mu g L-1. The relative standard deviation for 0.50 and 5.00 mu g L-1 of silver in water sample was 4.0 and 1.7%, respectively. The relative recoveries of silver from tap, well, river, and seawater samples at spiking levels of 1.00 and 5.00 mu g L-1 were in the range of 86.4-98.6%.
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