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. Author manuscript; available in PMC: 2018 Mar 19.
Published in final edited form as: Environ Sci Technol. 2017 Aug 30;51(18):10396–10402. doi: 10.1021/acs.est.7b01521

Table 3.

XPS Based Surface Composition of MEDWI and MWI Fly Ashes in Atomic %

Mg Si P S Cl C K Ca O Zn Na
MWI 0–3.7 0–5.3 0 0–8.7 7.1–35.3 15.6–33.7 0–8.5 10.1–16.5 30.7–41.9 0 0–1.8
MEDWI 0 0–6.6 0–0.4 0 0 71.5–82.1 0 0 16.6–21.4 0.5–0.7 0