Level

Amount of std. TNZ added in the cell in (µg/mL)

Amount of std. TNZ Recovered in (µg/mL)

% Recovery

20 %

4.85

4.81

99.18

120 %

28.44

28.51

100.25

220 %

50.92

50.41

99.00

Mean

99.48

% RSD

0.68