AssayIndex
Mass spectrometry

Time-of-flight (TOF)

A mass analyser measuring the time for ions to traverse a flight tube. High resolving power; calibration is temperature-sensitive.

Related terms

Resolving power
A mass spectrometer's ability to separate two close masses, expressed as m/Δm. A quadrupole gives ~1,000; a TOF 20,000–50,000.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.