<?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">sodium carboxymethyl cellulose</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31373512</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:40:43</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">CMC</dcterms:alternative> <dcterms:alternative xml:lang="en">carboxymethyl cellulose</dcterms:alternative> <dcterms:alternative xml:lang="en">carboxymethyl cellulose, sodium</dcterms:alternative> <dcterms:alternative xml:lang="en">carboxymethylcellulose</dcterms:alternative> <dcterms:alternative xml:lang="en">cellulose gum</dcterms:alternative> <dcterms:alternative xml:lang="en">cellulose, sodium carboxymethyl</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ A water-soluble polymer, commonly known as carboxymethylcellulose (CMC), composed of the sodium salt of modified cellulose. A viscous gel when dispersed in water at low concentrations, CMC forms a tough, non-soluble film in reaction with heavy metal salts. In conservation, it is used as an adhesive and as a poultice for cleaning stone. ]]></dc:description></metadata>