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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. 1.

Fig. 1

Arsenic K-edge XAS spectra of traditional medicines containing arsenic around 10 mg.kg−1 or higher (product name is followed by ID in parentheses). Medicines are ordered from top to bottom from most % As(V)–O to least, and dotted lines indicate best fit. Solid vertical lines indicate locations of As–S, As(III)–O, and the usual position of As (V)–O white line. Samples marked with an * contained As(V)–O partially as As(V)–glycerol.