Research Article

Solidified Floating Organic Drop Microextraction for the Detection of Trace Amount of Lead in Various Samples by Electrothermal Atomic Absorption Spectrometry

Table 5

Comparison of the SFODM method with some recent studies on separation and preconcentration of Pb(II) ions reported in the literature.

TechniqueSampleE.FLOD (µgL−1)Liner range (µgL−1)R

CPE-FAASWater and food samples253.42500–10000[17]
Coprecipitation-FAASWater samples409,7[18]
HF-LPME-ETAASEnvironmental and biological samples760.020,04–1[19]
DLPME-GFAASWater and biological samples780.0390.004–0.03[2]
SPE-FAASEnvironmental water and vegetable samples1250.6110–600[20]
SM-DLLME-FAASFood samples0.41–500[21]
SPE-FAASWater samples2051–12[22]
SFODME-GFAASWater and rack samples1130,0580,2–10[23]
SFODME-GFAASWater and food samples3000.0420.05–40This study

CPE: cloud point extraction; DLPME: dispersive liquid phase microextraction; HF-LPME: hollow fiber based-liquid phase microextraction; SPE: solid phase extraction; SFODME: solidified floating organic drop microextraction; ETAAS: electrothermal atomic absorption spectrometry; GFAAS: graphite furnace atomic absorption spectrometry; FAAS: flame atomic absorption spectrometry; LOD: limit of detection; E.F: enrichment factor; SM: supramolecular microextraction; R: reference.