铁氧化物

化学式

比表面积(m²·g⁻¹)

pH_zpc

溶度积logK_sp

水铁矿

5Fe₂O₃·9H₂O

100~700

7.8~8.8

−37~−39

针铁矿

α-FeOOH

8~200

7.5~9.4

−44

赤铁矿

α-Fe₂O₃

2~115

7.5~9.5

−43.9 ± 0.2

纤铁矿

γ-FeOOH

15~260

6.7~7.5

−38.7~−40.6