Adsorbents

[Ca]

[Cu]

[Zn]

[Pb]

[Mg]

$HP{O}_4^{2-}$

100

99.9

95

99.7

77

$C{O}_3^{2-}$

100

97%

98.7

90.9

47.7

Ash

82

99.8

95

88.7

100