{"id":99556,"date":"2018-06-28T16:29:19","date_gmt":"2018-06-28T14:29:19","guid":{"rendered":"https:\/\/batijournal.com\/?p=99556"},"modified":"2019-07-15T11:15:01","modified_gmt":"2019-07-15T09:15:01","slug":"mesure-du-carbone-14-etude-de-lartisanat-ancien","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/mesure-du-carbone-14-etude-de-lartisanat-ancien\/99556\/","title":{"rendered":"Des avanc\u00e9es sur les mesures du carbone 14 permettent d&rsquo;am\u00e9liorer l&rsquo;\u00e9tude de l&rsquo;artisanat ancien"},"content":{"rendered":"<p>Gr\u00e2ce \u00e0 une mesure du carbone 14 r\u00e9alis\u00e9e pour la toute premi\u00e8re fois sur des carbonates de plomb, Une \u00e9quipe du Laboratoire de mesure du carbone 14 associ\u00e9e au Mus\u00e9e du Louvre a pu distinguer les produits d\u2019origine naturelle de ceux obtenus par synth\u00e8se chimique dans des cosm\u00e9tiques de l\u2019Antiquit\u00e9. Cette technique apporte la preuve directe d\u2019une th\u00e9orie (avanc\u00e9e par les chimistes depuis une vingtaine d\u2019ann\u00e9es) selon laquelle les anciens \u00c9gyptiens ma\u00eetrisaient d\u00e9j\u00e0 des techniques de synth\u00e8se chimique et les appliquaient \u00e0 leur \u00ab industrie \u00bb cosm\u00e9tique. La d\u00e9tection du radiocarbone dans le carbonate de plomb est tr\u00e8s prometteuse pour l&rsquo;histoire de l&rsquo;art et fournit un nouvel outil pour l&rsquo;authentification des peintures en datant le blanc de plomb, tr\u00e8s pr\u00e9sent dans les peintures de la Renaissance, entre autres. Ce r\u00e9sultat est publi\u00e9 par le Laboratoire de mesure du carbone 14 (plateforme CEA\/CNRS\/IRD\/IRSN\/ minist\u00e8re de la Culture) associ\u00e9 au Mus\u00e9e du Louvre, le 28 juin 2018, dans Communications Chemistry (groupe des publications Nature).<\/p>\n<p>Photo : pots \u00e0 fard de l\u2019ancienne \u00c9gypte (Collection du Mus\u00e9e du Louvre, Paris) dont sont issus certains des \u00e9chantillons \u00a9LMC14\/C. Moreau<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gr\u00e2ce \u00e0 une mesure du carbone 14 r\u00e9alis\u00e9e pour la toute premi\u00e8re fois sur des carbonates de plomb, Une \u00e9quipe du Laboratoire de mesure du carbone 14 associ\u00e9e au Mus\u00e9e du Louvre a pu distinguer les produits d\u2019origine naturelle de ceux obtenus par synth\u00e8se chimique dans des cosm\u00e9tiques de l\u2019Antiquit\u00e9. Cette technique apporte la preuve [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":99557,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10530,6340,10785],"tags":[],"class_list":["post-99556","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-architecture-conception","category-atrium"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Une mesure du carbone 14 permet d&#039;am\u00e9liorer l&#039;\u00e9tude de l&#039;artisanat ancien<\/title>\n<meta name=\"description\" content=\"Une mesure du carbone 14 a permis \u00e0 une \u00e9quipe du Laboratoire de mesure du carbone 14 d&#039;am\u00e9liorer l&#039;\u00e9tude de l&#039;artisanat ancien.\" \/>\n<meta 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