Muscovite EDS spectrum, 20 keV e- beam, Torpy et al. 2020
Measurement details
| Description | EDS spectrum of Muscovite |
| 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 | Muscovite [ KAl2(Si3Al)O10(OH)2 ] |
| Specimen | Tista 2020 D4 Shaker [CSIRO], Teesta River, Bangladesh |
| 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 | 240.929 s |
| Live time | 151.91 s |
| Dead time | 36.9482 % |
| Channel count | 4096 |
| Energy range | -477.548 … 19984.5 eV |
| Gain | 4.99684 eV/channel |
| Intensity range | 773164 counts |
| Integral | 5.1313×107 counts |
| Related measurement | Muscovite CL spectrum, 20 keV e- beam, Torpy et al. 2020 (co-measured) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| K | 1 | 4.91 | 8.41 |
| Na | 0.0748 | 0.368 | 0.37 |
| Mg | 0.119 | 0.583 | 0.62 |
| Ti | 0.0282 | 0.138 | 0.29 |
| Fe | 0.163 | 0.802 | 1.96 |
| Al | 3 | 14.7 | 17.4 |
| Si | 3.51 | 17.2 | 21.2 |
| O | 12.5 | 61.2 | 42.9 |
Measurement spectrum
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