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Related Concept Videos

Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

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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...
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Atomic Emission Spectroscopy: Overview01:20

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Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
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Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

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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.
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Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

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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....
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Related Experiment Video

Updated: May 2, 2026

Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy
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[Laser-induced breakdown spectroscopy system for elements analysis in high-temperature and vacuum environment].

Cong-Yuan Pan1, Xue-Wei Du2, Ning An2

  • 1National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China slypan@mail.ustc.edu.cn

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|March 12, 2014
PubMed
Summary

A new Laser-Induced Breakdown Spectroscopy (LIBS) system enables online monitoring of metallurgical composition. This system successfully analyzes molten metal samples under vacuum and high temperatures, validating its performance for advanced material analysis.

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Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants
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Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown
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Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Spectroscopy

Context:

  • Online monitoring of metallurgical composition is crucial for industrial processes.
  • Existing methods face challenges in analyzing materials under extreme conditions like high temperatures and vacuum.
  • Laser-Induced Breakdown Spectroscopy (LIBS) shows promise for such applications.

Purpose:

  • To design and establish a LIBS measurement system for analyzing material composition.
  • To investigate spectral characteristics and quantitative analysis methods under vacuum and high temperatures.
  • To enable experiments with high-temperature or molten samples in a vacuum environment.

Summary:

  • A LIBS system was developed using a Q-switched Nd:YAG laser, focusing optics, spectrometer, and a vacuum system with an induction furnace capable of reaching 1600°C.
  • The system achieved a vacuum of 1x10⁻⁴ Pa and was tested with steel and aluminum samples.
  • Experiments with solid and molten steel under varying vacuum and temperature conditions yielded comparable results to existing literature, confirming system functionality.

Impact:

  • The validated system is suitable for molten metal LIBS experiments in vacuum environments.
  • Provides a robust platform for online monitoring and analysis of materials under demanding conditions.
  • Contributes to advancing quantitative analysis techniques in materials science and metallurgy.