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Related Concept Videos

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 Absorption Spectroscopy: Atomization Methods01:25

Atomic Absorption Spectroscopy: Atomization Methods

Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a nebulizer and spray chamber assembly to combine the sample with a fuel–oxidant mixture, creating a fine aerosol mist that enters a burner. Typically, the fuel and oxidant are combined in an approximately stoichiometric ratio. However, for atoms that are easily oxidized, a fuel-rich mixture may be more advantageous. Only about 5% of the aerosol...
Atomic Absorption Spectroscopy: Lab01:21

Atomic Absorption Spectroscopy: Lab

For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
 Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing nebulizer...
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...
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 Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

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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Related Experiment Video

Updated: Jun 28, 2026

Analysis of Volatile and Oxidation Sensitive Compounds Using a Cold Inlet System and Electron Impact Mass Spectrometry
05:48

Analysis of Volatile and Oxidation Sensitive Compounds Using a Cold Inlet System and Electron Impact Mass Spectrometry

Published on: September 5, 2014

Flow injection on-line electrothermal atomic absorption spectrometry.

E V Alonso1, A García de Torres, J M Pavón

  • 1Department of Analytical Chemistry, Faculty of Sciences, University of Málaga, 29071 Málaga, Spain.

Talanta
|October 31, 2008
PubMed
Summary

Continuous flow injection (FI) systems are now effectively coupled with electrothermal atomic absorption spectrometry (ETAAS) operations. This review covers 109 references on the development and expansion of flow injection–electrothermal atomic absorption spectrometry (FI-ETAAS) methodology.

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Last Updated: Jun 28, 2026

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Area of Science:

  • Analytical Chemistry
  • Atomic Spectroscopy
  • Separation Science

Background:

  • Coupling continuous flow injection (FI) systems with discrete electrothermal atomic absorption spectrometry (ETAAS) presented significant challenges.
  • Recent advancements have overcome previous limitations in integrating these techniques.

Purpose of the Study:

  • To review the development and expansion of the flow injection–electrothermal atomic absorption spectrometry (FI-ETAAS) methodology.
  • To consolidate recent progress in FI-ETAAS systems based on a review of 109 references.

Main Methods:

  • Systematic literature review of 109 relevant publications.
  • Categorization of selected FI-ETAAS systems based on their operational principles.

Main Results:

  • Overcoming major hindrances in coupling continuous FI systems with discrete ETAAS operations.
  • Identification and classification of various FI-ETAAS systems, including on-line preconcentration, separation, aerosol deposition, and in situ trapping techniques.

Conclusions:

  • The integration of FI and ETAAS is now a well-established and expanding methodology.
  • Diverse FI-ETAAS configurations offer versatile solutions for various analytical applications.