surface_data FeOH.dat
decouple Fe+++
swap Hematite for Fe+++
1 free gram Hematite
ph 5.3
2.4 mg/kg Ca++
3.5 mg/kg Mg++
0.04 mg/kg Ba++
0.4 mg/kg Na+
1.2 mg/kg Zn++
15.0 mg/kg SO4--
8 mg/kg Cl-
go