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. Author manuscript; available in PMC: 2021 Feb 22.
Published in final edited form as: Mater Sci Energy Technol. 2019;2(2):150–160. doi: 10.1016/j.mset.2019.01.009

Fig. 5.

Fig. 5.

XPS analysis of MnFe2O4 15PVA catalyst. The peaks for 4 different elements shown are a) C(1s), b) O(1s), c) Fe(2p), and d) Mn(2p).