Fig. 8.45 Eh~pH diagram for arsenie, the broken linę represents the boundary
linę for barium arsenale.
HAsO|"
oxidotion
HAsOj'
pH 8-9
pH 6-7 j
Epilimnion
Thermocline
HAsOl'
reduction
■fł
H2AsO«
”// |
^^obsorption |
odsorption |
AS$2 i i Drtci |
'\svsreductiofł>^^ |
preeipilation |
Hypolimnion
A o ' f’®AS04
As2S3 (CHJ, As ^mcthylotion
-5 3
Sediments