Illustrating the basic functioning of mass analyzers in mass spectrometers with ball-rolling mechanisms

Ryo Horikoshi, Fumitaka Takeiri, Riho Mikita, Yoji Kobayashi, Hiroshi Kageyama

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A unique demonstration with ball-rolling mechanisms has been developed to illustrate the basic principles of mass analyzers as components of mass spectrometers. Three ball-rolling mechanisms mimicking the currently used mass analyzers (i.e., a quadrupole mass filter, a magnetic sector, and a time-of-flight) have been constructed. Each mechanism was designed to separate balls with three different weights (representing three ionized analytes with different weights) in an attempt to imitate the separation process employed by real mass analyzers. This demonstration helped students understand the basic principles of mass analyzers.
Original languageEnglish (US)
Pages (from-to)1502-1506
Number of pages5
JournalJournal Of Chemical Education
Volume94
Issue number10
DOIs
StatePublished - Oct 10 2017
Externally publishedYes

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