<?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">sodium arsenite</topic></authority><related type="broader"><topic>sodium compounds</topic></related><related type="broader"><topic>herbicide</topic></related><variant type="other"><topic>arsenite, sodium</topic></variant> <note xml:lang="en"><![CDATA[ Grayish white poisonous powder once commonly used as an herbicide and insecticide but retired due to its high toxicity. It is currently used for preservation of color in zoological and botanical specimens; in taxidermy, as ingredient in soap used for cleaning and sterilizing hides. ]]></note></mads>