<?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">potassium lactate</topic></authority><related type="broader"><topic>potassium compounds</topic></related><variant type="other"><topic>lactate, potassium</topic></variant> <note xml:lang="en"><![CDATA[ A potassium salt of lactic acid used to treat leather to counteract acid present in the leather from manufacturing processes or from air pollution; it is also used to safeguard against future incursion of acid or acid-forming material. Some controversy exists over the possible discoloration potassium lactate may cause to leather as well as its overall effectiveness as a leather/acid buffer. ]]></note></mads>