Skip to main content
. 2021 Apr 28;22(9):4614. doi: 10.3390/ijms22094614

Figure 4.

Figure 4

XRD and XPS analyses of commercial CaCO3 and TA-CaCO3 materials. (a) XRD spectra of CaCO3 and TA-CaCO3. (b) Wide scan XPS spectra recorded from CaCO3 and TA-CaCO3.