From: Colloid stability of iron compounds in groundwater of Western Siberia
Iron ion concentration, mg/L
DOS concentration, mg/L
Average particle size, nm
ζ- potential, mV
рН
5.6
0.05
91…99
-29
10.0 ± 0.2
0.25
-32
0.5
-38
1.0
4.0
-42