🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguês中文日本語EntityQ898804· pop 7· linked from 20 articlesGirdler sulfide processIndustrial process for heavy water purificationWikidata factsImageGirdler.svgSources (1)wikidata.orgvia Wikidata · CC0Available in 7 languagesEspañolFrançaisDeutschPortuguêsItalianoNederlandsvia Wikidata sitelinks · CC0ConnectionsRomaniaCountrywaterEntityCategoriesAmerican inventionsGerman inventions of the Nazi periodIndustrial processesIsotope separationName reactions