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Study of Sulfur-Metal Orbital Hybridization in Sulfur-Bearing Compounds by X-Ray Emission Spectroscopy (XES) (CAT#: STEM-ST-0300-WXH)

Introduction

As a multivalent, nonmetallic chemical element, sulfur plays an important role in various systems. It is an essential component in biochemical systems such as amino acids, vitamins, bacteria, or proteins where iron-sulfur clusters are used for electron transfer and catalysis.
Moreover, in industrial processes, such as the extraction of metals from ore deposits associated with sulfide minerals, the production of fertilizers, explosives, and cosmetics, as well as in issues around preventing poisoning of catalytic converters and in a multitude of other technological applications, sulfur has a great economic importance. A deep knowledge of the sulfur ligand environment is fundamental in order to gain a more detailed understanding of the processes and reactions in which sulfur is primarily involved.




Principle

XES is an element-specific method primarily used to analyze the partially occupied electronic structure of materials. The technique is one of the photon-in-photon-out spectroscopies in which an incident X-ray photon is used to excite a core electron, which leads to the transition of the electron from the ground state to the excited state, and then the excited state of the electron decays with the emission of an X-ray photon in order to fill the core hole.

Applications

Used for the study of electronic structure and for the qualitative and quantitative analysis of substances.

Materials

• X-ray emission spectrometer
• X-ray generating equipment (X-ray tube)
• Collimators
• Monochromators
• X-ray detectors
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