Samples

Water soluble Hg

(%)

Acid soluble Hg

(%)

H₂O₂ soluble Hg

(%)

Residual Hg

(%)

Dry FGD by-product

59.02

11.48

16.39

13.11

Wet FGD gypsum 1

13.04

4.35

34.78

47.83

Wet FGD gypsum 1

17.31

11.54

40.38

30.77

Wet FGD gypsum 2

20.27

13.51

29.73

36.49

Wet FGD gypsum 3

25.00

17.65

27.94

29.41

Wet FGD gypsum 4

18.37

12.24

36.73

32.65

Wet FGD gypsum 5

15.38

7.69

30.77

46.15