🌐EnglishEnglishDeutschFrançaisItalianoالعربيةEntityQ471729· pop 6· linked from 206 articlesMass deacidificationmeasure against the degradation of books made of acidic paperAvailable in 6 languagesFrançaisDeutschItalianoالعربيةBanglavia Wikidata sitelinks · CC0ConnectionsbookEntitylightEntityCategoriesChemical processesPaperPreservation (library and archival science)