Insights into the precipitation kinetics of CaCO3 particles in the presence of polystyrene sulfonate using in situ small-angle X-ray scattering

Gibaud, A.; Younas, D.; Matthews, L.; Narayanan, T.; Longkaew, K.; Hageberg, I.U.; Chushkin, Y.; Breiby, D.W.; Chattopadhyay, B.

doi:10.1107/S1600576723005356

Journal of Applied Crystallography Journal of Applied
Crystallography

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Figure 8
1D WAXS profiles of CaCO₃ particles obtained during the flow experiment at 9 mM concentration. Top panel: particles with water in the capillary (grey line) and after subtraction of the water capillary at different times showing the increase in the peak intensities of the vaterite particles (for clarity, the intensity of the WAXS data after subtraction of the background has been multiplied by a factor 10⁵). Bottom panel: powder coming from the drying of the aliquot after centrifugation (circles are the observed data, the line is the calculated data using the MAUD software). In the C2/c space group, the first three intense peaks correspond to superimposed reflections with Miller indices 002 & $[\overline 1]$ 12, $[\overline 3]$ 11 & 002 & $[\overline 3]$ 12, and 400 & $[\overline 2]$ 22 & $[\overline 3]$ 13, located at 17.73, 19.23 and 23.19 nm⁻¹, respectively.

JOURNAL OF
APPLIED
CRYSTALLOGRAPHY

ISSN: 1600-5767

Volume 56| Part 4| August 2023| Pages 1114-1124

https://doi.org/10.1107/S1600576723005356

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