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Atomic Emission Spectroscopy: Lab

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: Instrumentation

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: Instrumentation

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 Emission Spectroscopy: Overview

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...

Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle

Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle

Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...

Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview

Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview

In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then passed on to...

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Related Experiment Video

Updated: Jul 18, 2026

Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy

Quantitative Analysis of Vacuum Induction Melting by Laser-induced Breakdown Spectroscopy

Published on: June 10, 2019

Capabilities of surface composition analysis using a long laser-induced breakdown spectroscopy spark.

Kit T Rodolfa¹, David A Cremers

¹Nuclear Materials Management Division, Group NMT-15, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.

Applied Spectroscopy

|December 5, 2006

Summary

This study presents a new laser-induced breakdown spectroscopy (LIBS) method for rapidly mapping elemental distribution on surfaces. The technique creates 3D elemental maps, offering detailed spatial insights into sample composition.

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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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Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants

Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants

Published on: September 23, 2013

Area of Science:

Analytical Chemistry
Materials Science
Spectroscopy

Background:

Accurate elemental analysis of surfaces is crucial for material characterization.
Existing methods for spatial elemental distribution mapping can be time-consuming or lack resolution.

Purpose of the Study:

To develop and evaluate a novel Laser-Induced Breakdown Spectroscopy (LIBS) apparatus for rapid, high-resolution spatial elemental analysis.
To demonstrate the capability of creating three-dimensional (3D) elemental distribution maps of surfaces.

Main Methods:

Utilized cylindrical optics to generate a linear spark for excitation.
Employed a spectrometer and gated charge-coupled device (ICCD) detector to capture emitted light.
Developed a scanning methodology to record spectral data at intervals, enabling 3D mapping.

Main Results:

Successfully generated spatial profiles of elemental composition on sample surfaces.
Demonstrated the creation of 3D elemental distribution maps by analyzing emission intensity versus spatial location.
Presented an analysis of the spatial resolution and representative data from various sample types.

Conclusions:

The developed LIBS apparatus provides a rapid and effective method for determining the spatial distribution of elements on surfaces.
The technique allows for simultaneous investigation of multiple elements and the generation of detailed 3D elemental maps.
This approach enhances material analysis by offering comprehensive spatial insights into elemental composition.