{"id":1249,"date":"2014-01-02T10:15:47","date_gmt":"2014-01-02T08:15:47","guid":{"rendered":"https:\/\/www.caraa.fr\/?p=1249"},"modified":"2022-07-11T12:25:51","modified_gmt":"2022-07-11T10:25:51","slug":"toxics","status":"publish","type":"post","link":"https:\/\/www.caraa.fr\/en\/toxics\/","title":{"rendered":"Toxic material"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=&#8221;2\/3&#8243;][vc_column_text]<\/p>\n<h5>The experience at CARAA in the analysis of toxic products include to date: the detection of asbestos, mercury and lead in art objects, arsenic in ethnological objects and taxidermy.<\/h5>\n<p>Less known than pigments, metal alloys or ceramics, toxic materials yet exist in art. It is therefore imperative to remove or replace them with more stable and less harmful products.<\/p>\n<h4>Detecting toxic material<\/h4>\n<p>This is the first step prior to any decontamination process. Some products are toxic if inhaled, others are in contact with the skin. All toxic elements are theoretically detectable if the level of detection is enough important. The main chemical elements studied at CARAA are lead, arsenic, mercury and asbestos.<\/p>\n<h4>Where toxic products can be found<\/h4>\n<ul>\n<li>Lead can be found in significant amounts in certain works of art but also in paints, infrastructures and industrial materials. Detection of lead by XRF is one of the specialties at CARAA.<\/li>\n<li>Asbestos has been considered toxic only recently. It has been extensively used in the past in the building sector, but it has also been detected in some historical objects such as magic lanterns (19th century) where it plays the role of thermal insulating or, in books in association with talc (see images below).<\/li>\n<li>Arsenic and mercury are other toxic elements often used in the past and that nowadays are detected in ethnological objects or in taxidermy.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_column_text css=&#8221;.vc_custom_1656596624053{margin-bottom: 80px !important;}&#8221;]ngg_shortcode_0_placeholder[\/vc_column_text]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.blog-shortcode.blog-list-shortcode-id-99380b8528d31e1d8223a61203ee6c2a.content-bg-on.classic-layout-list article {\n  background: #e5dbc6;\n  box-shadow: none;\n}\n.blog-shortcode.blog-list-shortcode-id-99380b8528d31e1d8223a61203ee6c2a.dividers-on.classic-layout-list article {\n  margin-top: 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loading-effect-fade-in\" data-cur-page=\"1\" data-post-limit=\"-1\" data-pagination-mode=\"none\"><article class=\"post project-odd visible no-img post-8051 type-post status-publish format-standard hentry category-materials-en category-67 description-off\" data-name=\"Pigments\" data-date=\"2021-12-02T10:07:38+02:00\">\n\n<div class=\"post-entry-content\">\n\n\t<h3 class=\"entry-title\">\n\t\t<a href=\"https:\/\/www.caraa.fr\/en\/pigments\/\" title=\"Pigments\" rel=\"bookmark\">Pigments<\/a>\n\t<\/h3>\n\n\t\n\t\n\t\n<\/div><\/article><article class=\"post project-odd visible no-img post-8054 type-post status-publish format-standard hentry category-materials-en category-67 description-off\" data-name=\"Metals\" data-date=\"2020-12-02T10:04:24+02:00\">\n\n<div class=\"post-entry-content\">\n\n\t<h3 class=\"entry-title\">\n\t\t<a href=\"https:\/\/www.caraa.fr\/en\/metals\/\" title=\"Metals\" rel=\"bookmark\">Metals<\/a>\n\t<\/h3>\n\n\t\n\t\n\t\n<\/div><\/article><article class=\"post project-odd visible no-img post-8057 type-post status-publish format-standard hentry category-materials-en category-67 description-off\" data-name=\"Glass\" data-date=\"2019-12-02T10:09:34+02:00\">\n\n<div class=\"post-entry-content\">\n\n\t<h3 class=\"entry-title\">\n\t\t<a href=\"https:\/\/www.caraa.fr\/en\/glass\/\" title=\"Glass\" rel=\"bookmark\">Glass<\/a>\n\t<\/h3>\n\n\t\n\t\n\t\n<\/div><\/article><article class=\"post project-odd visible no-img post-8060 type-post status-publish format-standard hentry category-materials-en category-67 description-off\" data-name=\"Stones and Rocks\" data-date=\"2018-12-02T10:12:05+02:00\">\n\n<div class=\"post-entry-content\">\n\n\t<h3 class=\"entry-title\">\n\t\t<a href=\"https:\/\/www.caraa.fr\/en\/rocks\/\" title=\"Stones and Rocks\" rel=\"bookmark\">Stones and Rocks<\/a>\n\t<\/h3>\n\n\t\n\t\n\t\n<\/div><\/article><article class=\"post project-odd visible no-img post-8063 type-post status-publish format-standard hentry category-materials-en category-67 description-off\" data-name=\"Organic material\" data-date=\"2016-12-02T10:14:06+02:00\">\n\n<div class=\"post-entry-content\">\n\n\t<h3 class=\"entry-title\">\n\t\t<a href=\"https:\/\/www.caraa.fr\/en\/organics\/\" title=\"Organic material\" rel=\"bookmark\">Organic material<\/a>\n\t<\/h3>\n\n\t\n\t\n\t\n<\/div><\/article><article class=\"post project-odd visible no-img post-1249 type-post status-publish format-standard hentry category-materials-en category-67 description-off\" data-name=\"Toxic material\" data-date=\"2014-01-02T10:15:47+02:00\">\n\n<div class=\"post-entry-content\">\n\n\t<h3 class=\"entry-title\">\n\t\t<a href=\"https:\/\/www.caraa.fr\/en\/toxics\/\" title=\"Toxic material\" rel=\"bookmark\">Toxic material<\/a>\n\t<\/h3>\n\n\t\n\t\n\t\n<\/div><\/article><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=&#8221;2\/3&#8243;][vc_column_text] The experience at CARAA in the analysis of toxic products include to date: the detection of asbestos, mercury and lead in art objects, arsenic in ethnological objects and taxidermy. Less known than pigments, metal alloys or ceramics, toxic materials yet exist in art. It is therefore imperative to remove or replace them with&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"_FSMCFIC_featured_image_caption":"","_FSMCFIC_featured_image_nocaption":null,"_FSMCFIC_featured_image_hide":null,"footnotes":""},"categories":[67],"tags":[],"class_list":["post-1249","post","type-post","status-publish","format-standard","hentry","category-materials-en","category-67","description-off"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Toxic material at CARAA<\/title>\n<meta name=\"description\" content=\"Experience at CARAA in the analysis of toxic products (asbestos, mercury, lead and arsenic in the objects of arts and ethnological objects)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.caraa.fr\/en\/toxics\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Toxic material at CARAA\" \/>\n<meta property=\"og:description\" content=\"Experience at CARAA in the analysis of toxic products (asbestos, mercury, lead and arsenic in the objects of arts and ethnological objects)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.caraa.fr\/en\/toxics\/\" \/>\n<meta property=\"og:site_name\" content=\"CARAA\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/LaboratoireCaraa\/\" \/>\n<meta property=\"article:published_time\" content=\"2014-01-02T08:15:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-11T10:25:51+00:00\" \/>\n<meta name=\"author\" content=\"abougard\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@CARAA_Center\" \/>\n<meta name=\"twitter:site\" content=\"@CARAA_Center\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"abougard\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/toxics\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/toxics\\\/\"},\"author\":{\"name\":\"abougard\",\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/#\\\/schema\\\/person\\\/14189abfeddca50e721e0a25b5f084c6\"},\"headline\":\"Toxic material\",\"datePublished\":\"2014-01-02T08:15:47+00:00\",\"dateModified\":\"2022-07-11T10:25:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/toxics\\\/\"},\"wordCount\":332,\"publisher\":{\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/#organization\"},\"articleSection\":[\"Materials\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/toxics\\\/\",\"url\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/toxics\\\/\",\"name\":\"Toxic material at CARAA\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/#website\"},\"datePublished\":\"2014-01-02T08:15:47+00:00\",\"dateModified\":\"2022-07-11T10:25:51+00:00\",\"description\":\"Experience at CARAA in the analysis of toxic products (asbestos, mercury, lead and arsenic in the objects of arts and ethnological objects)\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.caraa.fr\\\/en\\\/toxics\\\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/\",\"name\":\"CARAA\",\"description\":\"Centre d&#039;Analyses et de Recherche en Art et Arch\u00e9ologie\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.caraa.fr\\\/en\\\/#organization\",\"name\":\"CARAA - 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