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. 2019 Dec 2;14(12):e0225475. doi: 10.1371/journal.pone.0225475

Fig 14. Absorbance spectra of 25 mM Iron (III) chloride and visual representation of the color change as a function of increased microwave power (Mw) (A) and the integrated absorbance between 350nm-750-nm (B) post microwave irradiation without Lyse-It for 60 seconds.

Fig 14

As microwave power increases, Fe3+ gets progressively oxidized to iron oxide.