Amount spiked*

% of Recovery

Imp C

Imp B

Imp E

Imp H

LOQ

99.4 ± 1.7

98.7± 2.4

98.8 ± 1.9

98.8 ± 1.9

50%

98.5 ± 1.3

98.2 ± 0.8

100.6 ± 1.5

100.1 ± 1.1

100%

98.6 ± 0.8

98.4 ± 0.4

99.2 ± 1.3

99.1 ± 1.2

150%

98.2 ± 1.1

98.7 ± 0.8

97.4 ± 1.6

97.9 ± 1.5

200%

100.1 ± 0.4

98.8 ± 1.9

99.9 ± 1.4

100.4 ± 1.2