Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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...
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 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.
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 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...
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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Applying graphics processor units to Monte Carlo dose calculation in radiation therapy.

Journal of medical physics·2010
Same author

High spatial resolution schlieren photography.

Applied optics·2010
Same author

Outcome of stage I carcinoma of the breast at the University Hospital of the West Indies (1982-1988).

The West Indian medical journal·1994
Same author

Wiskott-Aldrich syndrome in a Jamaican.

The West Indian medical journal·1993
Same author

The POEMS syndrome.

The West Indian medical journal·1991
Same author

Glanzmann's thrombasthenia and pregnancy.

The West Indian medical journal·1990

Related Experiment Video

Updated: Jul 11, 2026

Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy
08:49

Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy

Published on: December 1, 2023

Spark discharge: application multielement spectrochemical analysis.

J P Walters

    Science (New York, N.Y.)
    |November 25, 1977
    PubMed
    Summary

    Spark discharge is a cyclic energy dissipation process where each spark influences subsequent ones. Spectroscopic analysis reveals ordered light emission with distinct chemical mechanisms shaping its topography for improved spectrochemical analysis.

    Area of Science:

    • Analytical Chemistry
    • Physical Chemistry
    • Atomic and Molecular Physics

    Background:

    • Spark discharge is a complex phenomenon involving energy dissipation.
    • Understanding the spatial and temporal characteristics of spark discharges is crucial for analytical applications.
    • Previous studies have not fully elucidated the detailed structure and chemical processes within spark discharges.

    Purpose of the Study:

    • To investigate the cyclic nature of spark discharge as an energy dissipation process.
    • To characterize the spatial and spectral distribution of light emission in spark discharges.
    • To identify the chemical mechanisms responsible for the observed spectroscopic topography and explore its application in spectrochemical analysis.

    Main Methods:

    • Utilized spectroscopic instruments with high temporal, spatial, and spectral resolution.

    More Related Videos

    Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds
    11:44

    Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds

    Published on: October 18, 2018

    Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs
    07:51

    Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

    Published on: August 27, 2019

    Related Experiment Videos

    Last Updated: Jul 11, 2026

    Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy
    08:49

    Multimodal Nonlinear Hyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency Generation Microscopy

    Published on: December 1, 2023

    Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds
    11:44

    Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds

    Published on: October 18, 2018

    Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs
    07:51

    Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

    Published on: August 27, 2019

  • Employed Schlieren data to visualize the post-discharge environment.
  • Analyzed the spatial coincidence of ionized species and their emission characteristics relative to the spark channel.

    • Main Results:

    • Spark discharge exhibits a cyclic process influenced by preceding sparks.
    • Light emission shows cylindrical symmetry around the spark channel, with ionized species distribution correlating with excitation levels.
    • Observed full line reversals in magnesium ions, indicating significant light absorption.
    • Identified toroidal structures in the post-discharge environment and proposed charge transfer, Penning ionization, and sensitized fluorescence as key chemical mechanisms.

    Conclusions:

    • The spectroscopic topography of spark discharges is highly ordered and governed by specific chemical processes.
    • This topography can be leveraged to develop more sensitive and simpler spectrochemical analysis methods.
    • The findings provide a deeper understanding of spark discharge physics and chemistry, with practical implications for analytical techniques.