<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373671</termId><termName>sodium nitrate</termName><termType>PT</termType><termNote><![CDATA[ Colorless, crystalline compound that forms naturally as caliche in mineral deposits, chiefly in Chile and Peru. Sodium nitrate is used in the manufacture of fertilizers, glass, and explosives. ]]></termNote><termCreatedDate>2026-03-30 20:40:46</termCreatedDate><relation><relationType>UF</relationType><termId>31373672</termId><termName>nitrate, sodium</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343447</termId><termName>sodium compounds</termName><termType>PT</termType></relation></term>  </Zthes>