Amount of Drug added (µg/ml)

Amount of Pioglitazone found (µg/ml)

Accuracy

Amount of Metformin found (µg/ml)

Accuracy

0.55

0.56

102.39

0.58

104.98

0.56

102.52

0.58

105.09

0.56

102.30

0.58

105.98

0.56

102.50

0.58

105.36

0.56

102.66

0.58

105.57

0.57

102.77

0.57

104.14

Average

102.52

105.19

0.9

0.88

98.14

0.88

97.40

0.88

97.81

0.88

98.22

0.88

97.74

0.88

97.62

0.89

99.02

0.88

97.57

0.88

97.92

0.88

97.60

0.88

97.25

0.87

96.25

Average

97.98

97.45

1.1

1.06

96.10

1.11

100.77

1.06

96.41

1.10

99.93

1.06

96.28

1.09

98.95

1.05

95.72

1.09

99.08

1.05

95.79

1.08

98.49

1.06

96.29

1.11

100.56

Average

96.10

99.63