Thorianite SXES spectrum, 5 keV e<sup>-</sup> beam, CSIRO 2016

Thorianite SXES spectrum, 5 keV e^- beam, CSIRO 2016

Description	SXES spectrum of Thorianite
Reference	CSIRO SXES database by C. M. MacRae, N. C. Wilson, and A. Torpy, CSIRO Mineral Resources https://spectroscopy.csiro.au/sxes
Date measured	2016-10-20
Material	Thorianite [ ThO₂ ] A cluster of four, lustrous, black, interpenetrating twinned thorite, from Ambatofotsy pegmatite, Mahavelona Commune, Soavinandriana District, Itasy Region, Antananarivo Province, Madagascar © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
Specimen	ThO₂ Hyper1-38 [CSIRO - Microbeam Lab standard blocks] BSE image of Thorium dioxide [ThO2] in 'ThO2 Hyper1-38' standard (CSIRO). Instrument: JEOL JSM-IT800. © (C) 2024 CSIRO Mineral Resources. All Rights reserved.
Related specimen	P-0127 ThO₂ [CSIRO - Microbeam Lab P-mounts]
Technique	Soft x-ray emission spectroscopy (SXES)
Instrument	JEOL 8530F
Probe	5 keV electron beam
Beam current	100 nA
Grating	200N
Acquisition time	256 s
Channel count	2048
Energy range	49.7705 … 184.838 eV
Intensity range	-19.7334 … 663.981 counts
Integral	131811 counts

Nominal composition of Thorianite [ ThO₂ ].
Element	Atoms	At%	Wt%
Th	1	33.3	87.9
O	2	66.7	12.1