Research Article

Sensitive Determination of Terazosin in Pharmaceutical Formulations and Biological Samples by Ionic-Liquid Microextraction Prior to Spectrofluorimetry

Table 4

Comparison of the proposed approach with other reported methods for determination of terazosin.

MethodSampleLOD (μg L−1)R.S.D. (%)LR (μg L−1)References

SpectrofluorimetrySerum, urine2102.5Up to 3486.9[4]
X-ray fluorescence spectrometryDrug732732–843000[5]
HPLC with fluorescence detectionPlasma0.25<7Up to 100[6]
HPLC with electrospray ionization mass spectrometry detectionPlasma0.0625[7]
Square-wave adsorptive cathodic stripping voltammetryPlasma, drug0.0058<1.10.39–11.62[8]
ionic-liquid microextraction spectrofluorimetryUrine, plasma, drug0.0272.40.1–115This work

LOD: limit of detection, LR: linear range, R.S.D.: relative standard deviation.