Research Article

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

Table 2

Determination of terazosin in tablets by the proposed methodology and by a reported voltammetric method [8].

Claimed (mg/tablet)Proposed methodology (mg)aReported method (mg)aError (%)bError (%)c

21.95 (±0.08)2.07 (±0.10)−2.5−5.8
55.1 (±0.21)5.27 (±0.37)+2.0−3.2

aValues in parenthesis show the standard deviation based on three replicates.
bError against the declared value.
cError against the reported method.