Intra-day accuracy  and  precision

Inter- day accuracy and  precision

Amount of drug added (µg)

Amount of drug  remained (µg)

% of drug recovered

% R.S.D

S.E

Amount of drug  remained (µg)

% of drug recovered (µg)

% R.S.D

S.E

0.1

0.1

100.00

1.46

0.001

0.107

107.60

0.81

0.006

2

1.989

99.45

1.47

0.020

2.05

102.67

1.58

0.023

10

9.992

99.92

1.32

0.01

9.991

99.91

0.10

0.079

15

15.02

99.34

0.17

0.016

15.13

100.90

0.184

0.0197