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Dependence of the properties of luminescent zinc sulfide ceramic on copper concentration

✍ Scribed by F. K. Volynets; E. I. Gorokhova; V. P. Kolobkov

Publisher
Springer US
Year
1979
Tongue
English
Weight
437 KB
Volume
31
Category
Article
ISSN
0021-9037

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Effect of iron impurity in zinc sulfide
Effect of iron impurity in zinc sulfide concentrates on the rate of dissolution
✍ Frank K. Crundwell πŸ“‚ Article πŸ“… 1988 πŸ› American Institute of Chemical Engineers 🌐 English βš– 688 KB

The rate of dissolution of sphalerite is shown to be directly proportional to the concentration of substitutional iron impurity in the solid. This is attributed to the formation of a narrow impurity band within the forbidden band gap of the sphalerite. The impurity band is of iron d-orbital origin.