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Related Concept Videos

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used.
Atomic Absorption Spectroscopy: Instrumentation01:22

Atomic Absorption Spectroscopy: Instrumentation

An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
The atomizer used in AAS can be either a flame atomizer or an...
Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
Atomic Absorption Spectroscopy: Overview01:27

Atomic Absorption Spectroscopy: Overview

Atomic absorption spectroscopy (AAS) is a technique used to analyze elements by measuring electromagnetic radiation (EMR) absorbed by atoms, which causes them to transition to a higher-energy orbit. The most crucial step in AAS is atomization, where the analyte is converted into gas-phase atoms, typically through a flame or furnace. Some of these atoms become thermally excited in the flame, while most remain in the ground state.
When irradiated by EMR of a particular wavelength, these...
Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
Atomic Spectroscopy: Absorption, Emission, and Fluorescence01:23

Atomic Spectroscopy: Absorption, Emission, and Fluorescence

Atomic spectroscopy is a vital tool in elemental analysis, both qualitatively and quantitatively. It can be broadly divided into optical spectroscopy, mass spectroscopy, and X-ray spectroscopy methods. The optical spectroscopic methods are atomic absorption spectroscopy (AAS), atomic emission spectroscopy (AES), and atomic fluorescence spectroscopy (AFS). The first step in all three methods is atomization, where the solid, liquid, or solution-phase samples are converted into gas-phase atoms and...

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Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
07:44

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Published on: April 28, 2016

High-resolution spectroscopy on an X-ray absorption beamline.

Jean Louis Hazemann1, Olivier Proux, Vivian Nassif

  • 1Institut Néel, CNRS, 25 avenue des Martyrs, 38042 Grenoble Cedex 9, France. jean-louis.hazemann@grenoble.cnrs.fr

Journal of Synchrotron Radiation
|February 26, 2009
PubMed
Summary

A new bent-crystal spectrometer was installed to enhance X-ray spectroscopy performance. This setup improves fluorescence detection for complex samples in environmental science research.

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Area of Science:

  • Synchrotron-based X-ray spectroscopy
  • Materials characterization
  • Environmental science applications

Background:

  • Bent-crystal spectrometers are crucial for high-resolution X-ray measurements.
  • The BM30b/FAME beamline at ESRF offers advanced synchrotron radiation capabilities.
  • Improving fluorescence detection is key for analyzing complex matrices.

Purpose of the Study:

  • To install and test a bent-crystal spectrometer on the BM30b/FAME beamline.
  • To enhance the spectrometer's performance and energy resolution.
  • To enable advanced X-ray spectroscopy techniques for challenging samples.

Main Methods:

  • Utilized Rowland circle geometry for spectrometer design.
  • Integrated the spectrometer onto the BM30b/FAME synchrotron beamline.
  • Performed tests to evaluate energy resolution and detection capabilities.

Main Results:

  • Successfully installed and tested the bent-crystal spectrometer.
  • Achieved improved energy resolution for enhanced spectroscopic measurements.
  • Demonstrated the spectrometer's suitability for X-ray absorption, resonant inelastic X-ray scattering, and X-ray Raman scattering.

Conclusions:

  • The new spectrometer significantly improves X-ray spectroscopy performance.
  • Its design facilitates easy implementation on standard X-ray absorption beamlines.
  • Enhanced fluorescence detection is vital for environmental science studies involving complex matrices.