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Related Concept Videos

Mass Analyzers: Common Types01:19

Mass Analyzers: Common Types

The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
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...
Mass Analyzers: Overview01:13

Mass Analyzers: Overview

The mass analyzer is a crucial component of the mass spectrometer. In the ionization chamber, the vaporized sample is bombarded with a high-energy electron beam to generate a radical cation and further fragment into neutral molecules, radicals, and cations. A series of negatively charged accelerator plates accelerate the cations into the mass analyzer. The mass analyzer separates ions according to their mass-to-charge (m/z) ratios and then directs them to the detector. The common types of mass...
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: 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 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...

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Additive Manufacturing-Enabled Low-Cost Particle Detector
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Optimization and performance of electrostatic particle analyzers.

R Jones1

  • 1Physics Department, Stevens Institute of Technology, Hoboken, New Jersey 07030.

The Review of Scientific Instruments
|January 1, 1978
PubMed
Summary
This summary is machine-generated.

This study describes the performance of planar gridded electrostatic particle analyzers. Simple theory and experiments explain analyzer behavior in magnetoplasma environments.

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A Practical Guide on Coupling a Scanning Mobility Sizer and Inductively Coupled Plasma Mass Spectrometer (SMPS-ICPMS)
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Area of Science:

  • Plasma physics
  • Space instrumentation

Background:

  • Electrostatic particle analyzers are crucial for in-situ measurements in space plasmas.
  • Understanding their performance in complex plasma environments like magnetoplasmas is essential for accurate data acquisition.

Purpose of the Study:

  • To provide a comprehensive description of planar gridded electrostatic particle analyzer performance.
  • To correlate experimental observations with theoretical models for magnetoplasma conditions.

Main Methods:

  • Experimental measurements using planar gridded electrostatic particle analyzers.
  • Development and application of a simple theoretical model to interpret analyzer performance.

Main Results:

  • Detailed characterization of analyzer response under various magnetoplasma conditions.
  • Validation of the theoretical model against experimental data, showing good agreement.

Conclusions:

  • The study successfully describes the performance of these analyzers in magnetoplasma.
  • The findings contribute to improved instrument design and data interpretation for space plasma missions.