time of flight (tof) mass analyzer

How Does TOF Mass Analyzer Work?

The principle behind TOF mass spectrometry is relatively straightforward. Ions are generated in the ion source and then accelerated into a field-free drift region. The ions travel through this region and their time of flight is measured. Because the time it takes for an ion to travel a fixed distance is proportional to the square root of its mass-to-charge ratio, lighter ions reach the detector faster than heavier ones. This allows for the separation and identification of ions based on their mass.

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