<?xml version="1.0" encoding="utf-8"?><Thesaurus
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	xsi:schemaLocation="http://schemas.bs8723.org/XmlSchema/DD8723-5.xsd">	 <dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en</dc:identifier>  <dc:title>Tesaurus d&apos;Art i Arquitectura</dc:title>  <dc:creator>Getty Institute</dc:creator>  <dc:subject></dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:publisher>Getty Institute</dc:publisher>  <dc:date>0000-00-00</dc:date>  <dc:language>en</dc:language><ThesaurusConcept dc:identifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344851">	<dcterms:created>2026-03-30 20:33:00</dcterms:created><PreferredTerm dc:identifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344851" xml:lang="en">	<LexicalValue>calcium chloride</LexicalValue>	<dcterms:created>2026-03-30 20:33:00</dcterms:created></PreferredTerm><ScopeNote xml:lang="en">  <LexicalValue><![CDATA[ The anhydrous form of calcium chloride is very hygroscopic. It is used as a desiccant. Calcium chloride also exists as dihydrate and hexahydrate crystals. These crystalline forms are used in antifreeze solutions, fire extinguishers, fireproofing solutions, wood preservatives, as a gelling agent for starch size and to melt snow and ice from roads. Calcium chloride was used to speed up the rate of cure in mortar, shotcrete, and dry-mix concrete until 1973 when it was replaced by a non-chloride accelerator because it corroded steel reinforcements.  ]]></LexicalValue></ScopeNote><NonPreferredTerm dc:identifier="http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344852" xml:lang="en">	<LexicalValue>CaCl2</LexicalValue>		<dcterms:created></dcterms:created>		<USE>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31344851</USE></NonPreferredTerm><HasHierRelConcept Role="BT">http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31320494</HasHierRelConcept></ThesaurusConcept></Thesaurus>