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. Author manuscript; available in PMC: 2020 Jun 9.
Published in final edited form as: Water Res. 2017 Jun 22;123:183–191. doi: 10.1016/j.watres.2017.06.064

Table 1.

Prevalent Arsenic species under pH and redox conditions (Vu et al., 2003).

Reducing Conditions Oxidizing Conditions
pH As(III) pH As(V)
0–9 H3AsO3 0–2 H3AsO4
10–12 H2AsO3− 3–6 H2AsO4−
13 HAsO32− 7–11 HAsO42−