NH4+

Na+

K+

Mg2+

Ca2+

Ba2+

Cr3+

Mn2+

Fe2+

Fe3+

Co2+

Ni+2

Cu2+

Ag+

A3+

Zn2+

Cd2+

Hg2+

Al3+

Sn2+

Pb2+

Bi3+

OH-

R

R

R

R

F-

R

R

R

R

R

R

R

R

R

Cl-

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

Br-

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

I-

R

R

R

R

R

R

R

R

R

R

R

R

R

R

S2-

R

R

R

R

SO32-

R

R

R

R

R

SO42-

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

NO2-

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

NO3-

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

PO43-

R

R

R

CO32-

R

R

R

SiO32-

R

R

R

MnO4-

R

R

R

R

R

R

R

R

R

R

R

R

?

R

R

?

R

R

R

CrO42-

R

R

R

R

R

R

?

octan

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R