Table 2 \(\alpha /\beta\) ratios and SERs taken from the corresponding linear quadratic curves in Fig. 7, for a 24 h exposure time

0.117 ± 0.057

0.032 ± 0.008

3.68 ± 1.16

0.125 ± 0.084

0.055 ± 0.012

2.26 ± 0.92

1.27 ± 0.03

1.25 ± 0.30

0.174 ± 0.059

0.024 ± 0.008

7.11 ± 1.96

0.133 ± 0.062

0.038 ± 0.009

3.47 ± 1.04

1.11 ± 0.10

1.09 ± 0.26

0.136 ± 0.009

0.036 ± 0.001

3.75 ± 0.15

0.196 ± 0.009

0.039 ± 0.001

4.98 ± 0.17

1.12 ± 0.01

1.14 ± 0.04

0.165 ± 0.057

0.060 ± 0.008

2.77 ± 0.82

0.251 ± 0.065

0.045 ± 0.009

5.52 ± 1.12

0.97 ± 0.20

1.02 ± 0.18

0.095 ± 0.047

0.025 ± 0.007

3.84 ± 1.25

0.061 ± 0.064

0.028 ± 0.009

2.16 ± 1.37

0.99 ± 0.35

0.98 ± 0.26

0.108 ± 0.041

0.027 ± 0.006

4.06 ± 1.02

0.206 ± 0.085

0.019 ± 0.012

10.70 ± 4.57

1.08 ± 0.31

1.09 ± 0.31