Journal
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
Volume 30, Issue 5, Pages 1364-1374Publisher
ELSEVIER
DOI: 10.1016/S1003-6326(20)65302-X
Keywords
sphalerite; marmatite; Fe; Zn; analysis methods; imaging
Categories
Funding
- National Natural Science Foundation of China [51764022, 51404119]
- Fok Ying Tong Education Foundation, China [161046]
- China Postdoctoral Science Foundation [2018M632810]
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The contents of Fe and Zn in natural sphalerite samples were determined by chemical titration and spectroscopic techniques (portable X-ray fluorescence (P-XRF) spectrometry, electron probe microanalysis with energy dispersive spectroscopy (EPMA-EDS), electron probe microanalysis with wavelength dispersive spectroscopy (EPMA-WDS), and time-of-flight secondary ion mass spectrometry (ToF-SIMS)). Besides, the distribution of Fe and Zn in sphalerite samples was analyzed by imaging EPMA-WDS and imaging ToF-SIMS. The results show that Fe and Zn contents determined by each spectroscopic technique have good linearity with those determined by chemical titration (R-2 >0.77), and the R-2 values of Fe are generally greater than those of Zn. The imaging analysis results revealed that Fe and Zn are not uniformly distributed in the sphalerite.
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