Table 1 As(V) in solution after 8 h at pH 5, 7, and 9
From: Oxidation of arsenite to arsenate on birnessite in the presence of light
| Â | pH 5 | pH 5 | pH 7 | pH 7 | pH 9 | pH 9 |
|---|---|---|---|---|---|---|
Light | Dark | Light | Dark | Light | Dark | |
Oxic | 197 | 136 | 23 | 23 | – | 6 |
Anoxic | 196 | 145 | 43 | 25 | 13 | – |