Research Article

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

Table 1

The experimental conditions for terazosin determination.

Microextraction parametersStudied rangeSelected condition

Amount of NaPF6 (mg)0–400350
Amount of [Hpy][BF4] (mg)25–400150
Equilibration temperature (°C)5–40Room temperature
Centrifugation time (min)1–155
Ionic strength (% w/v)0–40NEa

Instrumental parameters
Excitation wavelength (nm)200–350330
Emission wavelength (nm)350–700376
Excitation and emission slit widths (nm)5–2010

aNo effect.