Zoisite EDS spectrum, 20 keV e- beam, Torpy et al. 2020
Measurement spectrum
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Measurement details
| Description | EDS spectrum of Zoisite |
| Reference | Torpy et al. 2020 Torpy, A., Wilson, N., MacRae, C., Pownceby, M., Biswas, P., Rahman, M., & Zaman, M. (2020). Deciphering the Complex Mineralogy of River Sand Deposits through Clustering and Quantification of Hyperspectral X-Ray Maps. Microscopy and Microanalysis, 26(4), 768-792 https://doi.org/10.1017/S143192762000135X |
| Date measured | 2018-05-01 |
| Material | Zoisite [ Ca2Al3[Si2O7][SiO4]O(OH) ] |
| Analysis technique | Energy dispersive x-ray spectrometry (EDS) |
| Instrument | JEOL 8500F |
| Probe | 20 keV electron beam |
| Beam current | 69.64 nA |
| Probe diameter | 2 μm |
| Detector name | 2× Bruker XFLASH |
| Det. technology | Silicon drift detector (SDD) |
| Real time | 379.562 s |
| Live time | 237.056 s |
| Dead time | 37.5449 % |
| Channel count | 4096 |
| Energy range | -477.548 … 19984.5 eV |
| Gain | 4.99684 eV/channel |
| Intensity range | 1.042×106 counts |
| Integral | 8.0691×107 counts |
Specimen details
Specimen image
Clustered phase map of river sands (D4 shaker), from the Tista River, Bangladesh. From Torpy et al. 2020
© (C) 2020 CSIRO Mineral Resources
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 1 | 9.44 | 16.7 |
| Ti | 0.00602 | 0.0568 | 0.12 |
| Mn | 0.00612 | 0.0577 | 0.14 |
| Fe | 0.171 | 1.61 | 3.98 |
| Al | 1.4 | 13.2 | 15.7 |
| Si | 1.54 | 14.5 | 18 |
| O | 6.48 | 61.1 | 43.2 |