<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373512</termId><termName>sodium carboxymethyl cellulose</termName><termType>PT</termType><termNote><![CDATA[ A water-soluble polymer, commonly known as carboxymethylcellulose (CMC), composed of the sodium salt of modified cellulose. A viscous gel when dispersed in water at low concentrations, CMC forms a tough, non-soluble film in reaction with heavy metal salts. In conservation, it is used as an adhesive and as a poultice for cleaning stone. ]]></termNote><termCreatedDate>2026-03-30 20:40:43</termCreatedDate><relation><relationType>UF</relationType><termId>31373513</termId><termName>CMC</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373514</termId><termName>carboxymethyl cellulose</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373515</termId><termName>carboxymethyl cellulose, sodium</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373516</termId><termName>carboxymethylcellulose</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373517</termId><termName>cellulose gum</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373518</termId><termName>cellulose, sodium carboxymethyl</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343235</termId><termName>polymers</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31343447</termId><termName>sodium compounds</termName><termType>PT</termType></relation></term>  </Zthes>