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Related Experiment Video

Updated: Jun 1, 2026

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

A miniature cylindrical quadrupole ion trap: simulation and experiment.

E R Badman¹, R C Johnson, W R Plass

¹Department of Chemistry, Purdue University, West Lafayette, Indiana 47907-1393.

Analytical Chemistry

|June 8, 2011

Summary

This summary is machine-generated.

A novel cylindrical quadrupole ion trap was developed and optimized for mass spectrometry. This compact instrument achieved a resolution of ~100 and demonstrated potential for on-line reaction monitoring.

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Area of Science:

Analytical Chemistry
Mass Spectrometry
Instrument Development

Background:

Traditional hyperbolic ion traps are often large and complex.
There is a need for more compact and efficient ion trap designs.

Purpose of the Study:

To construct and optimize a cylindrical quadrupole ion trap.
To evaluate its performance for mass spectrometry applications.
To assess its suitability for on-line reaction monitoring.

Main Methods:

Fabrication and geometric optimization of a cylindrical quadrupole ion trap.
Performance evaluation using mass-selective instability scan mode.
Coupling with a membrane introduction system for on-line analysis.
Utilizing ion trap simulation software for validation.

Main Results:

A cylindrical quadrupole ion trap with a significantly smaller volume than commercial hyperbolic traps was successfully built.
Achieved a resolution of approximately 100 (m/Δm, 50% valley definition) for perfluorotributylamine and o-dichlorobenzene.
Demonstrated applicability for on-line reaction monitoring and determination of detection limits when coupled with a membrane introduction system.

Conclusions:

The optimized cylindrical quadrupole ion trap offers a compact and effective alternative for mass spectrometry.
The instrument shows promise for real-time chemical process monitoring.
Simulation results validated experimental findings, aiding in geometric optimization.