<?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">macro x-ray fluorescence</topic></authority><related type="broader"><topic>spectroscopy</topic></related><variant type="other"><topic>MA-XRF</topic></variant><variant type="other"><topic>fluorescence, macro x-ray</topic></variant><variant type="other"><topic>macro XRF</topic></variant><variant type="other"><topic>macro-XRF</topic></variant> <note xml:lang="en"><![CDATA[ A variation of XRF imaging that allows visualization of the distribution of elements in a flat, macroscopic sample, up to several square meters, in a non-destructive manner. ]]></note></mads>