Injection Retention Time Peak area
Injection-1 2.558 180230
Injection-2 2.557 181075
Injection-3 2.556 181910
Injection-4 2.557 181530
Injection-5 2.556 182350
Injection-6 2.558 181075
Average 2.557 181419.0
Standard Deviation 0.009 814.3
% RSD 0.02 0.5
Table 1: Intra-day precision of the proposed method for Hydrochlorothiazide in plasma.