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. Author manuscript; available in PMC: 2011 Nov 27.

Published in final edited form as: Sci Total Environ. 2011 Aug 23;409(21):4545–4552. doi: 10.1016/j.scitotenv.2011.07.059

Fig. 3 — Percent arsenic species vs. percent bioaccessibility for ◆ As(V)–O species (sum of species matching KH₂AsO₄ +As(V)–glycerol), As(V)–O+As(III)–O, and □ As–S, based on samples (n=9) analyzed by XANES. The correlations of the data are significant (p<0.05, see text for r values), showing that the As(V)–O and As(III)–O species are likely the bioaccessible ones, whereas the As–S species are not.

Inline graphic — Percent arsenic species vs. percent bioaccessibility for ◆ As(V)–O species (sum of species matching KH₂AsO₄ +As(V)–glycerol), As(V)–O+As(III)–O, and □ As–S, based on samples (n=9) analyzed by XANES. The correlations of the data are significant (p<0.05, see text for r values), showing that the As(V)–O and As(III)–O species are likely the bioaccessible ones, whereas the As–S species are not.