<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">secondary neutral mass spectrometry</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31317450</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:25:29</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">SNMS</dcterms:alternative> <dcterms:alternative xml:lang="en">spectrometry, secondary neutral mass</dcterms:alternative> <dcterms:alternative xml:lang="en">sputtered neutral mass spectrometry</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Technique closely related to secondary ion mass spectroscopy (SIMS), varying from it only in the strict separation between emission and ionization of the sputtered particles from the sample surface.  Neutral atoms are detected by post-ionising any atoms that are ejected from the surface. This post-ionisation can be accomplished by using lasers or electron bombardment of the atoms entering the mass analyser.  ]]></dc:description></metadata>