<?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">hydrochloric acid</topic></authority><related type="narrower"><topic>aqua regia</topic></related><related type="broader"><topic>acid</topic></related><variant type="other"><topic>acid, hydrochloric</topic></variant><variant type="other"><topic>acid, muriatic</topic></variant><variant type="other"><topic>muriatic acid</topic></variant><variant type="other"><topic>salt, spirit of</topic></variant><variant type="other"><topic>spirit of salt</topic></variant> <note xml:lang="en"><![CDATA[ A colorless or faintly yellow corrosive, fuming liquid, Hcl, used in chemical and industrial procesess. ]]></note></mads>