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. 2023 Feb 16;13(4):747. doi: 10.3390/nano13040747

Figure 2.

Figure 2

The XRD patterns of the pure CaO nanofiber sorbent and Zr-doped CaO nanofiber sorbent. The following compounds were identified: (x)—CaO; (w)—CaZrO3.