Titanite EDS spectrum, 20 keV e<sup>-</sup> beam, Torpy <i>et al.</i> 2020

Titanite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020

Description	EDS spectrum of Titanite
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	Titanite [ CaTiSiO₅ ] Titanite on amphibole, from Wannenköpfe, Ochtendung, Eifel region, Germany. Image width: 2mm © 2010 Fred Kruijen (via Wikimedia Commons), CC-BY-SA-3.0
Specimen	Tista 2020 D4 Shaker [CSIRO], Teesta River, Bangladesh Clustered phase map of river sands (D4 shaker), from the Tista River, Bangladesh. From Torpy et al. 2020 © (C) 2020 CSIRO Mineral Resources
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	522.9 s
Live time	326.77 s
Dead time	37.5081 %
Channel count	4096
Energy range	-477.548 … 19984.5 eV
Gain	4.99684 eV/channel
Intensity range	1.2675×10⁶ counts
Integral	1.0934×10⁸ counts
Related measurement	Titanite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 (co-measured)

Composition from this measurement.
Element	Atoms	At%	Wt%
Ca	1.04	12.3	20.2
Ti	1	11.8	23.2
Fe	0.0177	0.21	0.48
Si	1.08	12.8	14.7
O	5.33	62.9	41.3