1.
J Fluoresc
; 29(4): 1039-1047, 2019 Jul.
Artículo
en Inglés
| MEDLINE
| ID: mdl-31332643
RESUMEN
A quick, simple and efficient method for extraction, preconcentration, and determination of naproxen in water and plasma specimens with acceptable recovery by dispersive liquid-liquid microextraction based on solidified floating organic drop with spectrofluorimetry is presented. Various parameters affecting the extraction efficiency are optimized by the Central Composite Design. Moreover, under optimal conditions (120 µL 1-Undecanol with 1 mL Ethanol, pH = 3.5, 2 mL KCl 10% solution), the calibration curve was linear in the range 10.0-120.0 ng/mL. Finally, for naproxen, the detection limit was 2.4 ng/mL.