
Speciation of As(III) and As(V) in water samples by graphite furnace atomic absorption spectrometry after solid phase extraction combined with dispersive liquid–liquid microextraction based on the solidification of floating organic drop
Keywords: تجزیه و تحلیل آب; Dispersive liquid–liquid microextraction; Solid-phase extraction; Graphite furnace atomic absorption spectrometry; Arsenic speciation; Water analysis