THE INVESTIGATION OF THE CHEMICAL AND STRUCTURAL VARIATIONS OF COPPER AND SILVER SULPHIDES BY SRS (A CASE STUDY OF MINERALOGICAL AND GEOCHEMICAL APPLICATIONS OF X-RAY ABSORPTION SPECTROSCOPY)

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RAZMARA M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Iranian Journal of Crystallography and Mineralogy Year:2003 | Volume:11 | Issue:2 Page(s): 109-120

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Title

THE INVESTIGATION OF THE CHEMICAL AND STRUCTURAL VARIATIONS OF COPPER AND SILVER SULPHIDES BY SRS (A CASE STUDY OF MINERALOGICAL AND GEOCHEMICAL APPLICATIONS OF X-RAY ABSORPTION SPECTROSCOPY)

Author(s)

RAZMARA M. | Issue Writer Certificate

Keywords

SYNCHROTRON RADIATIONQ4

EXAFS (X-RAY ABSORPTION FINE STRUCTURE)Q4

XANES (X-RAY ABSORPTION NEAR EDGE STRUCTURE)Q3

X-RAY K-EDGEQ4

SULPHO-SALTQ4

MIARGYRITEQ4

SMITHITEQ4

EMPLECTITEQ4

Abstract

The ABS2 sulphides (A=Cu, or Ag), B=As, Sb, Bi) are a naturally occurring group of minerals, typically found in polymetallic vein deposits. Behind chemically simple, the minerals have a complex structure and undergo several temperature/composition phase transitions. In this study, SYNCHROTRON RADIATION is used to collect Ag, As, Bi, Cu, Cd, Hg and Sb K-edge EXAFS data from a series of synthetic sulphosalts. EXAFS are used to characterize and determine the local structure behavior. Analysis of the spectra has provided direct evidence about the coordination environment, the structural and electronic environments of major and minor cations within the substituted phases. In this study, M (metal or semimetal)-S bond distances of EMPLECTITE, chalcosibite, MIARGYRITE and SMITHITE minerals were determined by EXAFS and XANES methods.

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APA: Copy

RAZMARA, M.. (2003). THE INVESTIGATION OF THE CHEMICAL AND STRUCTURAL VARIATIONS OF COPPER AND SILVER SULPHIDES BY SRS (A CASE STUDY OF MINERALOGICAL AND GEOCHEMICAL APPLICATIONS OF X-RAY ABSORPTION SPECTROSCOPY). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 11(2), 109-120. SID. https://sid.ir/paper/3913/en

Vancouver: Copy

RAZMARA M.. THE INVESTIGATION OF THE CHEMICAL AND STRUCTURAL VARIATIONS OF COPPER AND SILVER SULPHIDES BY SRS (A CASE STUDY OF MINERALOGICAL AND GEOCHEMICAL APPLICATIONS OF X-RAY ABSORPTION SPECTROSCOPY). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2003;11(2):109-120. Available from: https://sid.ir/paper/3913/en

IEEE: Copy

M. RAZMARA, “THE INVESTIGATION OF THE CHEMICAL AND STRUCTURAL VARIATIONS OF COPPER AND SILVER SULPHIDES BY SRS (A CASE STUDY OF MINERALOGICAL AND GEOCHEMICAL APPLICATIONS OF X-RAY ABSORPTION SPECTROSCOPY),” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 11, no. 2, pp. 109–120, 2003, [Online]. Available: https://sid.ir/paper/3913/en

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