<?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">alum</topic></authority><related type="other"><topic>aluminum sulfate</topic></related><related type="broader"><topic>mineral</topic></related><variant type="other"><topic>alum, potash</topic></variant><variant type="other"><topic>aluminum potassium sulfate</topic></variant><variant type="other"><topic>potash alum</topic></variant><variant type="other"><topic>potassium alum</topic></variant><variant type="other"><topic>potassium aluminium sulphate</topic></variant><variant type="other"><topic>potassium aluminum sulfate</topic></variant><variant type="other"><topic>sulfate, potassium aluminum</topic></variant> <note xml:lang="en"><![CDATA[ Colorless-to-white crystalline potassium aluminum sulfate; has a wide range of uses, including in treatment of leather and textile, in sizing paper, as a mordant in dyeing, and as a water-purifying agent. ]]></note></mads>