Tracking Amorphous Calcium Carbonate Crystallization Products with Far-Infrared Spectroscopy
We prepared solution-precipitated amorphous calcium carbonate by two similar methods and tracked structural changes over time as they crystallized. By cross-referencing mid-range infrared (400–4000 cm<sup>−1</sup>) with far-infrared (100–400 cm<sup>−1</sup>) spectral features...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-01-01
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| Series: | Minerals |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2075-163X/13/1/110 |
| Summary: | We prepared solution-precipitated amorphous calcium carbonate by two similar methods and tracked structural changes over time as they crystallized. By cross-referencing mid-range infrared (400–4000 cm<sup>−1</sup>) with far-infrared (100–400 cm<sup>−1</sup>) spectral features, and by comparing with powder X-ray diffraction data for the aged crystallized products, we provide guidelines for—and potential limitations of—using far-infrared spectroscopy to assess multi-phase Mg-containing calcium carbonate samples that include amorphous or poorly crystallized components. |
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| ISSN: | 2075-163X |