<?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">flash photolysis</topic></authority><related type="other"><topic>spectrophotometry</topic></related><related type="broader"><topic>analysis and testing techniques</topic></related><variant type="other"><topic>photolysis, flash</topic></variant> <note xml:lang="en"><![CDATA[ Experimental technique used to analyze short-lived chemical intermediates created when molecules are split by an intense flash of light. Analysis by spectrophotometry follows during a second, less intense, flash. This technique is useful in the study of the mechanisms of fast chemical reactions. ]]></note></mads>