The determination of some heavy metals in food samples by flame atomic absorption spectrometry after their separation-preconcentration on bis salicyl aldehyde, 1,3 propan diimine (BSPDI) loaded on activated carbon.
作者： M. Ghaedi , A. Shokrollahi , A.H. Kianfar , A.S. Mirsadeghi , A. Pourfarokhi
DOI: 10.1016/J.JHAZMAT.2007.10.003
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摘要: A sensitive and simple method for the simultaneous preconcentration of Cr3+, Fe3+, Cu2+, Ni2+, Co2+ and Zn2+ in real samples has been reported. The method is based on the adsorption of analytes on bis salicyl aldehyde, 1, 3 propan diimine (BSPDI) loaded on activated carbon. The adsorbed metals on modified activated carbon were eluted using 8mL of 2molL− 1 nitric acid in acetone or 10mL of 4molL− 1 HNO3. The influences of the analytical parameters including pH and sample volume were investigated. The effects of …
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