<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373620</termId><termName>silver nitrate</termName><termType>PT</termType><termNote><![CDATA[ A white, crystalline water-soluble, bitter, corrosive, poisonous powder AgNO3, produced by the reaction of silver and dilute nitric acid. It was chiefly used in the manufacture of photographic emulsions and mirrors. ]]></termNote><termCreatedDate>2026-03-30 20:40:45</termCreatedDate><relation><relationType>UF</relationType><termId>31373621</termId><termName>nitrate, silver</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343444</termId><termName>silver compounds</termName><termType>PT</termType></relation></term>  </Zthes>