Section: 6 | Minerals and pigments (MP) | Page: 382 |
IRUG filename: IMP00382 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Hydrotalcite | Chemical/botanical name(s): Hydrated carbonate with hydroxyl or halogen (class), sjorenite (hydrotalcite) (mineral group) |
Source location 1: Snarum, Norway | Sample source 2: Washington State Patrol, Washington State Crime Laboratory | Source location 2: 2203 Airport Way South, Seattle, WA, 98104, US |
Sample identifier 2: BM89358 | Sample source 3: The Natural History Museum, National Museums of Scotland | Source location 3: Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK |
Color: White | Other: Dimorphous with manasseite, spectrum is similar to, but simpler than, that of manasseite, it has an additional peak at 1632 cm-1 in comparison with that in Suhner (5-66 A) hydrotalcite | Application: Transmission FTIR spectroscopy |
Mode: Tran | Literature Reference: Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993. Hernandez Moreno, M. J., M. A. Ulibarri, J. L. Rendon, and C. J. Serna. "IR Chatacteristics of Hydrotalcite-like Compounds." Physics and Chemistry of Minerals 12.1 (1985): 34-38. Idemura, S., E. Suzuki, and Y. Ono. "Electronic State of Iron Complexes in the Interlayer of Hydrotalcite like Materials." Clays and Clay Minerals 37.6 (1989): 553-57. | Originating institution name: Natural History Museum, National Museums of Scotland |
Originating institution acronym: NHM | Linear formula: Mg6Al2(CO3)OH16*4H2O | Other analytical methods: EDS (Mg & Al only), SEM, XRD (8067F NHM std=hydrotalcite + slight impurity) |