H+

NH4+

K+

Na+

Ag+

Ba2+

Ca2+

Mg2+

Zn2+

Cu2+

Hg2+

Pb2+

Fe2+

Fe3+

Al3+

OH-

P

P

P

–

P

M

M

H

H

–

H

H

H

H

NO3-

P

P

P

P

P

P

P

P

P

P

P

P

P

P

P

Cl-

P

P

P

P

H

P

P

P

P

P

P

M

P

P

P

S2-

P

P

P

P

H

P

–

–

H

H

H

H

H

H

–

SO32-

P

P

P

P

M

M

M

P

M

–

–

H

M

–

–

SO42-

P

P

P

P

M

H

M

P

P

P

–

M

P

P

P

CO32-

P

P

P

P

H

H

H

H

H

–

H

H

H

–

–

SiO32-

H

–

P

P

H

H

H

H

H

–

–

H

H

–

–

PO43-

P

P

P

P

H

H

H

H

H

H

H

H

H

H

H

CH3COO-

P

P

P

P

P

P

P

P

P

P

P

P

P

P

P