<?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">rhodium</topic></authority><related type="broader"><topic>nonferrous metal</topic></related><related type="broader"><topic>elements</topic></related> <note xml:lang="en"><![CDATA[ A rare silvery-white hard ductile metallic element of the transition series, atomic number 45; Symbol Rh. Rhodium is resistant to acids, and may occur naturally in pure form, but is normally obtained from nickel ores. It is used especially as a catalyst and in platinum alloys. ]]></note></mads>