Intra-day  precision                                             Inter-day precision

Amount of  drug
added (µg/mL)

Amount of
drug remaining
(µg/mL)

%  of drug
recovered

%  RSD

Amount of
drug
remaining
( µg/mL)

 % of drug
recovered

%  RSD

0.2

0.192

96.22

0.25

0.198

99.00

0.67

01

1.004

100.42

0.63

1.06

106.00

0.254

02

1.970

98.97

0.241

1.98

99.00

0.18
Table 6: Intra-and inter-day precision and recovery studies of HPLC method (n=6): Celecoxib.