Conc.addedµg/mL Conc.found
(µg/mL)
% Found % RSD % Er
Intraday        
1 0.998 99.81±0.10 0.1 0.058
5 4.9895 99.79±0.12 0.12 0.069
10 9.996 99.96±0.10 0.1 0.058
Interday        
1 1.01 100.10±0.26 0.26 0.15
5 4.995 99.90 ±0.30 0.3 0.17
10 10.02 100.2±0.2 0.2 0.11
Each result is the average of three separation determinations
Table 2: Intraday and inter day precision for the proposed method