On-line preconcentration and determination of Au(III) in various environmental/industrial samples by flame atomic absorption spectrometry
作者： Teslima Daşbaşı , Şerife Saçmacı , Serkan Şahan , Ahmet Ülgen , Şenol Kartal
DOI: 10.1080/03067319.2014.930843
关键词:
摘要: A rapid and simple on-line method is described for the determination of Au(III) in various samples. The based on sorption gold(III) Lewatit MonoPlus TP207 chelating resin including iminodiacetate group, which used as sorbent material packed a minicolumn. chemical variables such pH sample solution, eluent type, interfering ions concentrations reagents, instrumental loading volume, reagents flow rates, tubing length, affect efficiency were studied optimised. was sorbed resin, from it could be eluted with 3 mol L−1 HCl, then introduced directly to nebuliser-burner system FAAS. limit detection 0.2 µg L−1 while relative standard deviation was <4.0% 20 µg L−1 concentration. preconcentration factor found 106 optimised volume 15.3 mL. accuracy verified by an...
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