Sample

Irradiation time (sec)

Dose (mGy)

1

0

0.00 ± 0.00

2

55

0.24 ± 0.01

3

95

0.40 ± 0.02

4

138

0.60 ± 0.03

5

186

0.80 ± 0.04

6

235

1.02 ± 0.05