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. Author manuscript; available in PMC: 2015 May 2.
Published in final edited form as: J Chromatogr A. 2014 Mar 16;1340:109–114. doi: 10.1016/j.chroma.2014.03.033

Figure 3.

Figure 3

Oxidation of LANL-IPF sample with 30% H2O2 evaluated on Dowex 1X-8 (100–200 mesh). Eluent of fractions: 0 = sample addition; 1–4 = water; 5–8 = 0.03 M HNO3 (pH 1.5); 9–12 = 0.6 M HNO3 (pH 0.2). Arsenate elutes in fractions 5 and 6, while selenate elutes in fractions 9–11.