<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31456170</termId><termName>diamond black</termName><termType>PT</termType><termNote><![CDATA[ A form of carbon black that is an aniline pigment, in which a primary aromatic amine, aniline, is converted into a diazonium salt that is an intermediate in the preparation of dyes. ]]></termNote><termCreatedDate>2026-03-30 21:02:47</termCreatedDate><relation><relationType>UF</relationType><termId>31456171</termId><termName>black, diamond</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31437245</termId><termName>carbon black</termName><termType>PT</termType></relation></term>  </Zthes>