Concentration of 2,3,4,7,8 PCDF (ppb)

Intra-day Mean + SD (mv*S)

Precision (RSD %)

Inter-day Mean + SD (mv*S)

Precision (RSD %)

0.75

1713.41 ± 381.21

7.19

1823.24 ± 378.12

6.91

1.25

3124.20 ± 431.25

7.12

3463.54 ± 421.23

6.76

2.5

7189.91 ± 581.34

6.19

7235.81 ± 512.23

5.34

5

14,287.32 ± 867.21

5.87

14,342.12 ± 823.12

5.45

10

30,635.65 ± 992.21

4.56

31,759.24 ± 864.29

3.34