<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31410809</termId><termName>silver bromide</termName><termType>PT</termType><termNote><![CDATA[ A yellow, water-insoluble powder, AgBr, which darkens upon exposure to light, produced by the reaction of silver nitrate with a bromide. It was used chiefly in the manufacture of photographic emulsions from about 1875-1880. ]]></termNote><termCreatedDate>2026-03-30 20:50:27</termCreatedDate><relation><relationType>UF</relationType><termId>31410810</termId><termName>bromide, silver</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31373622</termId><termName>silver halide</termName><termType>PT</termType></relation></term>  </Zthes>