<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">time-of-flight mass spectrometry</topic></authority><related type="broader"><topic>mass spectrometry</topic></related><variant type="other"><topic>TOF-MS</topic></variant><variant type="other"><topic>TOF/MS</topic></variant><variant type="other"><topic>spectrometry, time-of-flight mass</topic></variant> <note xml:lang="en"><![CDATA[ A surface-sensitive mass spectrometry technique in which an ion's mass-to-charge ratio is determined by a time measurement. Particles removed from the atomic monolayers of a surface are accelerated into a flight tube and their mass is measured by the time it takes them to reach the detector. ]]></note></mads>