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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 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: 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...
Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle01:19

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...
Atomic Emission Spectroscopy: Interference01:30

Atomic Emission Spectroscopy: Interference

In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
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.

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Related Experiment Video

Updated: Jun 16, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
10:40

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

Reflection spectroscopy by plasma-resonance enhancement.

R P Godwin, M M Mueller

    Applied Optics
    |February 4, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Researchers enhanced plasma resonance effects by layering metals with different plasma frequencies. This technique, demonstrated with potassium and silver on aluminum, offers new insights into solid-state plasma resonances and bounded plasma interactions.

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    Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
    07:17

    Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry

    Published on: August 1, 2017

    Area of Science:

    • Solid-state physics
    • Plasma physics
    • Materials science

    Background:

    • Plasma resonance is a key phenomenon in understanding electromagnetic wave interactions with metals.
    • Previous studies focused on single metal layers, limiting the enhancement of resonance effects.

    Purpose of the Study:

    • To investigate a novel composite metal film configuration for enhanced plasma resonance.
    • To explore the potential of such structures for advanced reflectance measurements and plasma simulations.

    Main Methods:

    • Theoretical calculations were performed for composite metal films.
    • A specific configuration involved depositing a thin metal layer (e.g., potassium or silver) onto a substrate of a second metal with a significantly higher plasma frequency (e.g., aluminum).

    Main Results:

    • The proposed composite structure significantly enhances plasma-resonance effects on reflectance.
    • Sample calculations for potassium/aluminum and silver/aluminum films demonstrate this enhancement.
    • Reflectance measurements on these composite samples show promise for new information.

    Conclusions:

    • Composite metal films with tailored plasma frequencies offer a powerful method to enhance plasma resonance.
    • This approach can yield novel insights into solid-state plasma resonances.
    • The configuration serves as a valuable simulation for electromagnetic radiation interactions with bounded plasmas.