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Figure 2
Microspheres in the early stages. (a) and (b) TEM images of vaterite microspheres obtained from the syntheses (a) 8 mM 1 g l−1 1 min (i.e. after 1 min of reaction) and (b) 8 mM 1 g l−1 30 min (i.e. after 30 min of reaction). The black arrow shows a crystal of around 60 nm width. (c) CXDI 2D view of 8 mM 1 g l−1 30 min. Scale bar = 1 µm. Note S:Ca = 0.59.

IUCrJ
Volume 9| Part 5| September 2022| Pages 580-593
ISSN: 2052-2525
https://doi.org/10.1107/S2052252522006108