Chemical State Analysis of Phosphorus by X-Ray Emission Spectroscopy (XES) (CAT#: STEM-ST-0299-WXH)

Introduction

Phosphorus is an essential element for all living systems, being crucial in the transmission of chemical energy through the ATP molecule. Marine primary production and distribution of plankton depend on the availability of phosphorus as a vital nutrient.
Due to its multivalent character, phosphorus forms chemical bonds with variety of atoms of different electronegativity, changing significantly the local electronic structure around the phosphorus atoms.

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Principle Applications Procedure Materials Notes Related Products

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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