<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">black light bulbs</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31379726</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:42:26</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">black light bulb</dcterms:alternative> <dcterms:alternative xml:lang="en">black lightbulbs</dcterms:alternative> <dcterms:alternative xml:lang="en">black lights</dcterms:alternative> <dcterms:alternative xml:lang="en">bulbs, black light</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Fluorescent lamps, available in two types, with ultraviolet emitting phosphors. Used in the ultraviolet investigation of cultural materials, conservation, and in many scientific contexts. Filtered black light blue bulbs produce a dark violet glow with phosphors releasing near 404.7 nm; non-filtered black light bulbs emit a light blue light with phosphors releasing near 360 nm. ]]></dc:description></metadata>