Related Concept Videos
01:22Atomic 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.
01:29Atomic 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...
01:19Gas Chromatography: Types of Detectors-II
In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
01:26Inductively 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.
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.
01:20Atomic 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...
01:30Atomic 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,...
You might also read
Related Articles
Articles linked to this work by shared authors, journal, and citation graph.
Sort by
Same author
Cell-Autonomous Role of EGFR in Spontaneous Duodenal Tumors in LRIG1 Null Mice.
Cellular and molecular gastroenterology and hepatology·2021
Same author
Compliance of referral and hospital documentation with National Institute of Health and Care Excellence guidelines for the extraction of third molars: a comparative analysis of two NHS Trusts.
The British journal of oral & maxillofacial surgery·2017
Related Experiment Video
Updated: Jun 16, 2026
06:53
Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
Published on: July 27, 2018
Discharge emission identification by photoelectron spectroscopy.
Applied Optics
|February 4, 2010
Summary
This study shows a photoelectron spectrometer can act as a pseudo-ultraviolet monochromator. Researchers identified intense emissions from helium, neon, and argon discharges that can cause errors in spectra.
Area of Science:
- Atomic and Molecular Physics
- Spectroscopy
- Physical Chemistry
Background:
- Photoelectron spectroscopy is a powerful analytical technique.
- Understanding spectral emissions is crucial for accurate measurements.
- Noble gas discharges are common sources in spectroscopic studies.
Purpose of the Study:
- To evaluate a photoelectron spectrometer's capability as a pseudo-ultraviolet (UV) monochromator.
- To identify specific emission lines from helium, neon, and argon discharges.
- To determine which emissions interfere with photoelectron spectra.
Main Methods:
- Utilized a photoelectron spectrometer.
- Investigated emissions from helium (He), neon (Ne), and argon (Ar) gas discharges.
Main Results:
- Demonstrated the photoelectron spectrometer's utility as a pseudo-UV monochromator.
- Identified numerous intense emission lines from He, Ne, and Ar discharges.
- Cataloged emissions strong enough to potentially generate spurious signals in photoelectron spectra.
Conclusions:
- The photoelectron spectrometer is effective for pseudo-UV monochromation.
- Knowledge of noble gas discharge emissions is vital for interpreting photoelectron spectra.
- This work aids in preventing spectral artifacts in related research.