Journal
SPECTROSCOPY LETTERS
Volume 43, Issue 7-8, Pages 550-554Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00387010.2010.510695
Keywords
atomic fluorescence spectrometry; green analytical method; mercury; uv-photochemical vapor generation; water
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Funding
- National Natural Science Foundation of China [20835003]
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Direct matrix-assisted UV-photochemical/cold vapor generation for sample introduction was proposed for the determination of trace mercury in natural water by atomic fluorescence spectrometry. The optimal experimental conditions for the determination of mercury including sampling volume, UV irradiation time, carrier flow rate, pH, and the interference from coexisting metal ions were investigated in detail. Under the optimized experimental conditions, the limit of detection for total mercury was 0.03ng mL-1. The accuracy of the proposed method was validated by analyzing two certified reference water samples with satisfactory analytical results. This method is simple, fast, green, highly selective, ultrasensitive, and yet inexpensive.
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