Monazite-(Ce) EDS spectrum, 20 keV e- beam, Torpy et al. 2020
Measurement details
| Description | EDS spectrum of Monazite-(Ce) |
| 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 | Monazite-(Ce) [ CePO4 ] |
| 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 | 462.704 s |
| Live time | 262.93 s |
| Dead time | 43.1753 % |
| Channel count | 4096 |
| Energy range | -477.548 … 19979.5 eV |
| Gain | 4.99562 eV/channel |
| Intensity range | 642828 counts |
| Integral | 1.0559×108 counts |
| Related measurement | Monazite-(Ce) CL spectrum, 20 keV e- beam, Torpy et al. 2020 (co-measured) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 0.137 | 0.851 | 0.88 |
| U | 0.0173 | 0.107 | 0.66 |
| Th | 0.137 | 0.848 | 5.08 |
| Gd | 0.0644 | 0.399 | 1.62 |
| Sm | 0.0753 | 0.466 | 1.81 |
| Nd | 0.442 | 2.74 | 10.2 |
| Pr | 0.137 | 0.85 | 3.09 |
| Ce | 1 | 6.19 | 22.4 |
| La | 0.468 | 2.9 | 10.4 |
| Y | 0.0999 | 0.619 | 1.42 |
| Fe | 0.0123 | 0.0763 | 0.11 |
| P | 2.56 | 15.9 | 12.7 |
| O | 11 | 68.1 | 28.1 |
Measurement spectrum
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