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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: Chem Eng J. 2021 Oct 1;421(1):10.1016/j.cej.2021.129816. doi: 10.1016/j.cej.2021.129816

Fig. 5.

Fig. 5.

(a): Optical image of RM sample; (b) Spectra of the particles marked with the circles marked; (c) chemical image showing integration wavelengths specified [84] (reproduced with permission from Elsevier).