<?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">porosimetry</topic></authority><related type="narrower"><topic>mercury porosimetry</topic></related><related type="other"><topic>pore size</topic></related><related type="broader"><topic>measuring</topic></related> <note xml:lang="en"><![CDATA[ An analytical technique which measures quantifiable aspects of a stone’s porosity by forcing a non-wetting liquid, such as mercury, into the pores of the material using a porosimeter. The technique is used in archaeological conservation to determine the durability and behavior of ancient stone and the choice of conservation methods ]]></note></mads>