Journal
ANALYTICAL METHODS
Volume 5, Issue 17, Pages 4425-4429Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ay40350e
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A simple, sensitive and low cost, flow injection time-based method was developed for on-line preconcentration and determination of nickel in textile effluent and soil samples. At the optimum pH, the nickel was retained on the sodium dodecyl sulphate coated alumina modified with dithizone, and subsequently eluted with HCl and determined by flame atomic absorption spectrometry. At a sample frequency of 30 h(-1) and a 60 s preconcentration time, the enhancement factor was 100 and the detection limit was 0.54 mu g L-1 (3 sigma). The accuracy of the developed method is sufficient and evaluated with spiked environmental samples.
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