Analytes Retention time (TR) (min) Capacity factors (K’) Theoretical plates (N) Tailing factor (T) Resolution (R) Separation factor
CAP 3.3 2.13 3200 1.23 3.4 2.48
HCT 3 2.25 3500 1.23 3.5 2.36
FRS 4 2.36 3200 1.36 3.6 2.59
CAP: captopril ;HCT : hydrochlorothiazide; FRS: furosemide
Table 1: System suitability parameters of the proposed method for captopril, hydrochlorothiazide and furosemide.