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Miniature mass spectrometers are of growing interest due to their potential for in situ chemical analysis combined with rapid response, high sensitivity, and high specificity

Handheld rectilinear ion trap mass spectrometer.

ANALYTICAL CHEMISTRY, no. 17 (2006): 5994-6002

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摘要

A shoebox- sized, 10-kg, handheld mass spectrometer, Mini 10, based on a rectilinear ion trap mass analyzer has been designed, built, and characterized. This instrument has evolved from a decade-long experimental and simulation program in mass spectrometer miniaturization. The rectilinear ion trap has a simplified geometry and high trappi...更多

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简介
  • A shoebox-sized, 10-kg, handheld mass spectrometer, Mini 10, based on a rectilinear ion trap mass analyzer has been designed, built, and characterized.
  • This instrument has evolved from a decade-long experimental and simulation program in mass spectrometer miniaturization.
  • Miniature mass spectrometers are of growing interest due to their potential for in situ chemical analysis combined with rapid response, high sensitivity, and high specificity
  • These characteristics are especially applicable in public safety, environmental protection, and industrial process monitoring.
重点内容
  • A shoebox-sized, 10-kg, handheld mass spectrometer, Mini 10, based on a rectilinear ion trap mass analyzer has been designed, built, and characterized
  • Miniature mass spectrometers are of growing interest due to their potential for in situ chemical analysis combined with rapid response, high sensitivity, and high specificity
  • Almost all types of mass spectrometers have been the subjects of miniaturization, with the effort being concentrated on designing, building, and characterizing miniature mass analyzers
  • ITSIM has been shown to allow mass spectra to be predicted with reasonable accuracy,17 and it forms an appropriate vehicle for enquiry into the effects of miniaturization on performance
  • No damage occurred to the vacuum pumps, and no significant differences in analytical results were found in operation between while moving and when stationary
  • Its performance as a mass spectrometer is compromised, not severely, by the significant decrease in the size of the instrument compared to benchtop mass spectrometers
结果
  • No damage occurred to the vacuum pumps, and no significant differences in analytical results were found in operation between while moving and when stationary.
结论
  • A handheld shoebox-sized rectilinear ion trap mass spectrometer has been developed.
  • This instrument is battery-powered and can perform chemical analysis on air or water samples while being hand-carried.
  • Its performance as a mass spectrometer is compromised, not severely, by the significant decrease in the size of the instrument compared to benchtop mass spectrometers.
  • A program has been developed to control multiple Mini 10 instruments and acquire data through the network and to process and analyze the data in real time to support an alarm system
基金
  • No damage occurred to the vacuum pumps, and no significant differences in analytical results were found in operation between while moving and when stationary
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