Compound

Amount taken (mg)

Relative error %

RSD (%)

Recovery (%)

I

0.05

−4.8

2.7

95.2

0.5

−2.8

0.8

97.2

2.0

0.8

0.2

100.8

II

0.05

−3.6

5.1

96.4

0.5

−0.4

3.2

99.6

2.0

+0.5

0.2

100.5

III

0.05

−1.2

4.1

98.8

0.5

−0.4

3.2

99.6

2.0

+0.1

0.8

100.1