
Separation/preconcentration of trace copper by extraction into [C4mim] [PF6] RITL containing p-tert-butyl-calix[4]arene functionalized with o-phenanthroline prior to flame absorption atomic spectrometry
Keywords: طیف سنجی جذب اتمی شعله; Copper(II); Room temperature ionic liquid; p-tert-butyl-calix[4]arene; Liquid-liquid extraction; Flame atomic absorption spectrometry;