Table 1 Fe(II), Fe(III) and phosphate content of the biovivianite after acid digestion
From: Assessing microbially mediated vivianite as a novel phosphorus and iron fertilizer
Fertilizer products (Biovivianite) | Acid-extractable Fe (M) | Fe(II)/Fe(total) | Phosphate (M) | |
|---|---|---|---|---|
Fe(II) | Fe(III) | |||
VivInsol6.5 | 1.13 | 0.03 | 0.97 | 0.875 |
VivInsol7.0 | 0.50 | 0.20 | 0.72 | 0.474 |
VivSol | 0.19 | 0.04 | 0.86 | 0.143 |