Samples

6-MP spiked (μM)

6-MP founded (μM)a

Recovery (%)

R.S.D. (%)b

1

0.00

0.00

-

-

2

5.51

5.49

99.6

1.92

3

24.52

24.38

99.4

2.01

4

30.22

30.39

100.6

1.85