<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344529</termId><termName>alum</termName><termType>PT</termType><termNote><![CDATA[ Colorless-to-white crystalline potassium aluminum sulfate; has a wide range of uses, including in treatment of leather and textile, in sizing paper, as a mordant in dyeing, and as a water-purifying agent. ]]></termNote><termCreatedDate>2026-03-30 20:32:55</termCreatedDate><relation><relationType>UF</relationType><termId>31344530</termId><termName>alum, potash</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344531</termId><termName>aluminum potassium sulfate</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344532</termId><termName>potash alum</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344533</termId><termName>potassium alum</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344534</termId><termName>potassium aluminium sulphate</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344535</termId><termName>potassium aluminum sulfate</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344536</termId><termName>sulfate, potassium aluminum</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320469</termId><termName>mineral</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31343475</termId><termName>aluminum sulfate</termName><termType>PT</termType></relation></term>  </Zthes>