<?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 sulfite</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31410872</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:50:28</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">sulfite, sodium</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ A soluble sodium salt of sulfurous acid (sulfite), appearing as small crystals or powder. Sodium sulfite is used in multiple industries and exhibits bleaching, reducing, de-sulfurizing, and dechlorinating functions. In the food industry it is used to maintain the appearance of freshness, and to preserve meat. It is also a component in many drugs, to help stabilize and maintain potency. It is used in the pulp and paper industry as a water treatment, and in photography it has been used in developer solutions, and as a hypo clear solution. ]]></dc:description></metadata>