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Related Concept Videos

Mass Analyzers: Common Types01:19

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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...
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Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and reduce chemical noise during analyte detection. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called...
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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...
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Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...
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Related Experiment Video

Updated: Dec 21, 2025

Spatial Separation of Molecular Conformers and Clusters
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Spatial Separation of Molecular Conformers and Clusters

Published on: January 9, 2014

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Correction: A mini mass spectrometer with a low noise Faraday detector.

Yang Tang1, Qian Xu1, Dayu Li2

  • 1School of Life Science, Beijing Institute of Technology, Beijing 100081, China. weixu@bit.edu.cn.

The Analyst
|May 13, 2020
PubMed
Summary

This correction clarifies details for a mini mass spectrometer. It addresses the low noise Faraday detector to ensure accurate scientific reporting.

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Area of Science:

  • Analytical Chemistry
  • Instrumentation Science

Context:

  • A previous publication detailed a novel mini mass spectrometer.
  • The original work featured a low noise Faraday detector.

Purpose:

  • To provide a correction to the original publication.
  • To ensure the accuracy and reproducibility of the reported findings.

Summary:

  • This correction pertains to a mini mass spectrometer with a low noise Faraday detector.
  • It rectifies specific details within the original article published in Analyst.

Impact:

  • Ensures the integrity of scientific data presented in the field.
  • Facilitates accurate understanding and future research utilizing this instrumentation.