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K
I
Na
I
Ba
II
Ca
II
Mg
II
Al
III
Zn
II
Fe
II, III
Pb
II
Cu
I, II
Ag
I
H
I
Cl
I
P
V
O
II
S
II
SO4
II
CO3
II
NO3
I
OH
I
SO3
II
PO4
III