{"id":3958,"date":"2009-03-10T10:44:00","date_gmt":"2009-03-10T10:44:00","guid":{"rendered":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-d-essai-3958"},"modified":"2026-08-26T09:34:52","modified_gmt":"2026-08-26T09:34:52","slug":"2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai","status":"publish","type":"post","link":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958","title":{"rendered":"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ?"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"307\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or-1024x307.png\" alt=\"bulletin d'essai\" class=\"wp-image-5457\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or-1024x307.png 1024w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or-300x90.png 300w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or-768x230.png 768w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png 1250w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Le bulletin d\u2019essai d\u2019un lingot d\u2019or est un document essentiel pour identifier et caract\u00e9riser un lingot, notamment lorsqu\u2019il s\u2019agit d\u2019un lingot d\u2019un kilogramme.&nbsp;Il rassemble plusieurs informations permettant de conna\u00eetre son poids, son titre en or fin, son num\u00e9ro d\u2019essai et l\u2019identit\u00e9 du fondeur.<\/p>\n\n\n\n<p>\u00c9galement appel\u00e9 certificat d\u2019authenticit\u00e9, il permet de faire le lien entre le document et le lingot gr\u00e2ce \u00e0 plusieurs informations \u00e9galement grav\u00e9es ou marqu\u00e9es sur le m\u00e9tal. Il constitue ainsi un \u00e9l\u00e9ment important lors de l\u2019achat ou de la vente d\u2019un lingot d\u2019or.<\/p>\n\n\n\n<p>Quelles informations y figurent ? \u00c0 quoi correspondent le titre, le poids d\u2019or fin ou le num\u00e9ro d\u2019essai ?&nbsp;Voici tout ce qu\u2019il faut savoir sur le bulletin d\u2019essai d\u2019un lingot d\u2019or.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu\u2019est-ce qu\u2019un bulletin d\u2019essai de lingot d\u2019or ?<\/h2>\n\n\n\n<p>Le bulletin d&rsquo;essai (ou certificat d&rsquo;authenticit\u00e9) est un document qui accompagne les lingots d&rsquo;or de 1 kg. Il s&rsquo;agit d&rsquo;un identifiant, d\u00e9livr\u00e9 obligatoirement apr\u00e8s le 2 f\u00e9vrier 1948. On y retrouve des informations indispensables. C&rsquo;est une sorte de \u00ab\u00a0carte d&rsquo;identit\u00e9\u00a0\u00bb du lingot et il permet d&rsquo;<a href=\"https:\/\/blog.ccopera.com\/metaux\/comment-reconnaitre-un-faux-lingot-dor-6932\">authentifier<\/a> le lingot.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Informations figurant sur le bulletin d&rsquo;essai<br><\/h2>\n\n\n\n<ul>\n<li>Le num\u00e9ro du lingot d&rsquo;or (Cela correspond au num\u00e9ro d&rsquo;essai) <\/li>\n\n\n\n<li>Le titre or en grammes par kg (Cela correspond \u00e0 la contenance en or fin. Le titre est au moins \u00e9gal \u00e0 995\/1000)<\/li>\n\n\n\n<li>Le poids brut en gramme<\/li>\n\n\n\n<li>Le poids d&rsquo;or fin en grammes, contenu dans le lingot (Ce poids est obtenu en multipliant le titre par le poids brut. Le poids d&rsquo;or fin doit \u00eatre compris entre 995 et 1005 grammes)<\/li>\n\n\n\n<li>Le nom du fondeur (vous retrouverez la liste des fondeurs fran\u00e7ais reconnus sur les march\u00e9s internationaux ci-dessous) <\/li>\n\n\n\n<li>La signature de l&rsquo;essayeur <\/li>\n\n\n\n<li>La date de l&rsquo;essai <\/li>\n<\/ul>\n\n\n\n<p>Certaines des informations ci-dessus sont \u00e9galement insculp\u00e9es (c&rsquo;est \u00e0 dire grav\u00e9es ou marqu\u00e9es) sur le lingot lui-m\u00eame : <\/p>\n\n\n\n<ul>\n<li>Le num\u00e9ro d&rsquo;essai <\/li>\n\n\n\n<li>Le titre <\/li>\n\n\n\n<li>La marque du fondeur <\/li>\n\n\n\n<li>Le poin\u00e7on de l&rsquo;essayeur <\/li>\n<\/ul>\n\n\n\n<p>Pour avoir plus d&rsquo;informations sur l&rsquo;achat ou la vente d&rsquo;or (que ce soit sous forme de pi\u00e8ces ou lingot d&rsquo;or) consultez nos questions fr\u00e9quentes sur l&rsquo;or  et notre rubrique r\u00e9capitulative regroupant les frais, les taxes, les justificatifs \u00e0 fournir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les fondeurs fran\u00e7ais<\/h2>\n\n\n\n<ul>\n<li>Caplain Saint-Andr\u00e9 <\/li>\n\n\n\n<li>Compagnie des m\u00e9taux pr\u00e9cieux <\/li>\n\n\n\n<li>Comptoir Lyon-Alemand, Louyot &amp; Cie &#8211; Comptoir Lyon Alemand (du 2 f\u00e9vrier 1948 au 20 juillet 1948) <\/li>\n\n\n\n<li>Anciens \u00e9tablissements L\u00e9on Martin <\/li>\n\n\n\n<li>Laboratoires Boudet et Dussaix <\/li>\n\n\n\n<li>Laboratoires Pourqu\u00e9ry (apr\u00e8s le 1er janvier 1967) <\/li>\n\n\n\n<li>Marret Bonin Lebel et Guieu r\u00e9unis (du 2 f\u00e9vrier 1948 au 20 juillet 1948) <\/li>\n\n\n\n<li>Laboratoire Dubois (avant le 31 d\u00e9cembre 1966)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Que faire si vous n&rsquo;avez plus le bulletin d&rsquo;essai ?<\/h2>\n\n\n\n<p>Il peut arriver qu&rsquo;un bulletin d&rsquo;essai se perde. Lors de la revente du lingot, le professionnel devra certifier votre lingot et demander un nouveau bulletin d&rsquo;essai. Le co\u00fbt de cette op\u00e9ration d\u00e9pendra du professionnel. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Le&nbsp;bulletin d\u2019essai d\u2019un lingot d\u2019or&nbsp;rassemble donc les principales informations permettant d\u2019identifier et de caract\u00e9riser le lingot : num\u00e9ro d\u2019essai, poids brut, titre, poids d\u2019or fin, fondeur, signature de l\u2019essayeur et date de l\u2019essai.<\/p>\n\n\n\n<p>Il est important de v\u00e9rifier la coh\u00e9rence entre les informations pr\u00e9sentes sur le bulletin d\u2019essai et celles inscrites directement sur le lingot. En cas d&rsquo;absence de bulletin d&rsquo;essai, une v\u00e9rification professionnelle peut \u00eatre n\u00e9cessaire avant la vente du lingot.<\/p>\n\n\n\n<p>Vous souhaitez acheter ou vendre un lingot d\u2019or ?&nbsp;D\u00e9couvrez \u00e9galement nos conseils pour [<a href=\"https:\/\/blog.ccopera.com\/metaux\/comment-reconnaitre-un-faux-lingot-dor-6932\">reconna\u00eetre un faux lingot d\u2019or<\/a>], comprendre la&nbsp;<strong><a href=\"https:\/\/blog.ccopera.com\/metaux\/fiscalite-de-lor-en-france-quelles-taxes-sur-les-pieces-lingots-et-bijoux-6973\">fiscalit\u00e9 de l\u2019or<\/a><\/strong>&nbsp;et conna\u00eetre les diff\u00e9rents types de&nbsp;<strong><a href=\"https:\/\/www.ccopera.com\/metaux-precieux\/or-de-bourse\/lingots\/prix-vente.html\">lingots et lingotins d\u2019or<\/a><\/strong>&nbsp;disponibles sur le march\u00e9.<\/p>\n\n\n\n<p>Article r\u00e9actualis\u00e9 en 2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le bulletin d&rsquo;essai (ou certificat) est un document qui accompagne les lingots d&rsquo;or de 1 kg. Il s&rsquo;agit d&rsquo;un identifiant, d\u00e9livr\u00e9 obligatoirement apr\u00e8s le 2 f\u00e9vrier 1948, sur lequel sont regroup\u00e9es les informations suivantes :<\/p>\n","protected":false},"author":8,"featured_media":5457,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,20],"tags":[78,82,80],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ? - Blog m\u00e9taux<\/title>\n<meta name=\"description\" content=\"Retrouvez toutes les informations figurant sur le bulletin d&#039;essai d&#039;un lingot d&#039;or de 1kg : num\u00e9ro du lingot, fondeur, poids..\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ? - Blog m\u00e9taux\" \/>\n<meta property=\"og:description\" content=\"Retrouvez toutes les informations figurant sur le bulletin d&#039;essai d&#039;un lingot d&#039;or de 1kg : num\u00e9ro du lingot, fondeur, poids..\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958\" \/>\n<meta property=\"og:site_name\" content=\"Blog m\u00e9taux\" \/>\n<meta property=\"article:published_time\" content=\"2009-03-10T10:44:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-26T09:34:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"375\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"blogccopera\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"blogccopera\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958\"},\"author\":{\"name\":\"blogccopera\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/person\/78268f09e2b3505798c615a82beea618\"},\"headline\":\"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ?\",\"datePublished\":\"2009-03-10T10:44:00+00:00\",\"dateModified\":\"2026-08-26T09:34:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958\"},\"wordCount\":676,\"publisher\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#organization\"},\"image\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png\",\"keywords\":[\"bulletin essai\",\"fondeur\",\"lingot or\"],\"articleSection\":[\"m\u00e9taux\",\"Produits or et argent\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958\",\"url\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958\",\"name\":\"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ? - Blog m\u00e9taux\",\"isPartOf\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png\",\"datePublished\":\"2009-03-10T10:44:00+00:00\",\"dateModified\":\"2026-08-26T09:34:52+00:00\",\"description\":\"Retrouvez toutes les informations figurant sur le bulletin d'essai d'un lingot d'or de 1kg : num\u00e9ro du lingot, fondeur, poids..\",\"breadcrumb\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage\",\"url\":\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png\",\"contentUrl\":\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png\",\"width\":1250,\"height\":375,\"caption\":\"le lingot de 1 kilo or\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/blog.ccopera.com\/metaux\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#website\",\"url\":\"https:\/\/blog.ccopera.com\/metaux\/\",\"name\":\"Blog m\u00e9taux\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.ccopera.com\/metaux\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#organization\",\"name\":\"Blog m\u00e9taux\",\"url\":\"https:\/\/blog.ccopera.com\/metaux\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2023\/09\/logo_512.png\",\"contentUrl\":\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2023\/09\/logo_512.png\",\"width\":512,\"height\":322,\"caption\":\"Blog m\u00e9taux\"},\"image\":{\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/person\/78268f09e2b3505798c615a82beea618\",\"name\":\"blogccopera\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/b45850bc33d94214253c25806fbc13ab?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/b45850bc33d94214253c25806fbc13ab?s=96&d=mm&r=g\",\"caption\":\"blogccopera\"},\"url\":\"https:\/\/blog.ccopera.com\/metaux\/author\/blogccopera\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ? - Blog m\u00e9taux","description":"Retrouvez toutes les informations figurant sur le bulletin d'essai d'un lingot d'or de 1kg : num\u00e9ro du lingot, fondeur, poids..","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958","og_locale":"fr_FR","og_type":"article","og_title":"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ? - Blog m\u00e9taux","og_description":"Retrouvez toutes les informations figurant sur le bulletin d'essai d'un lingot d'or de 1kg : num\u00e9ro du lingot, fondeur, poids..","og_url":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958","og_site_name":"Blog m\u00e9taux","article_published_time":"2009-03-10T10:44:00+00:00","article_modified_time":"2026-08-26T09:34:52+00:00","og_image":[{"width":1250,"height":375,"url":"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png","type":"image\/png"}],"author":"blogccopera","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"blogccopera","Dur\u00e9e de lecture estim\u00e9e":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#article","isPartOf":{"@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958"},"author":{"name":"blogccopera","@id":"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/person\/78268f09e2b3505798c615a82beea618"},"headline":"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ?","datePublished":"2009-03-10T10:44:00+00:00","dateModified":"2026-08-26T09:34:52+00:00","mainEntityOfPage":{"@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958"},"wordCount":676,"publisher":{"@id":"https:\/\/blog.ccopera.com\/metaux\/#organization"},"image":{"@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage"},"thumbnailUrl":"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png","keywords":["bulletin essai","fondeur","lingot or"],"articleSection":["m\u00e9taux","Produits or et argent"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958","url":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958","name":"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ? - Blog m\u00e9taux","isPartOf":{"@id":"https:\/\/blog.ccopera.com\/metaux\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage"},"image":{"@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage"},"thumbnailUrl":"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png","datePublished":"2009-03-10T10:44:00+00:00","dateModified":"2026-08-26T09:34:52+00:00","description":"Retrouvez toutes les informations figurant sur le bulletin d'essai d'un lingot d'or de 1kg : num\u00e9ro du lingot, fondeur, poids..","breadcrumb":{"@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#primaryimage","url":"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png","contentUrl":"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2024\/02\/lingot-1-kg-or.png","width":1250,"height":375,"caption":"le lingot de 1 kilo or"},{"@type":"BreadcrumbList","@id":"https:\/\/blog.ccopera.com\/metaux\/2009-03-10-lingot-d-or-quelles-informations-figurent-sur-le-bulletin-dessai-3958#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/blog.ccopera.com\/metaux"},{"@type":"ListItem","position":2,"name":"Bulletin d\u2019essai lingot d\u2019or : \u00e0 quoi sert-il et quelles informations contient-il ?"}]},{"@type":"WebSite","@id":"https:\/\/blog.ccopera.com\/metaux\/#website","url":"https:\/\/blog.ccopera.com\/metaux\/","name":"Blog m\u00e9taux","description":"","publisher":{"@id":"https:\/\/blog.ccopera.com\/metaux\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.ccopera.com\/metaux\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/blog.ccopera.com\/metaux\/#organization","name":"Blog m\u00e9taux","url":"https:\/\/blog.ccopera.com\/metaux\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/logo\/image\/","url":"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2023\/09\/logo_512.png","contentUrl":"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2023\/09\/logo_512.png","width":512,"height":322,"caption":"Blog m\u00e9taux"},"image":{"@id":"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/person\/78268f09e2b3505798c615a82beea618","name":"blogccopera","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blog.ccopera.com\/metaux\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/b45850bc33d94214253c25806fbc13ab?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/b45850bc33d94214253c25806fbc13ab?s=96&d=mm&r=g","caption":"blogccopera"},"url":"https:\/\/blog.ccopera.com\/metaux\/author\/blogccopera"}]}},"_links":{"self":[{"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/posts\/3958"}],"collection":[{"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/comments?post=3958"}],"version-history":[{"count":9,"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/posts\/3958\/revisions"}],"predecessor-version":[{"id":7105,"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/posts\/3958\/revisions\/7105"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/media\/5457"}],"wp:attachment":[{"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/media?parent=3958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/categories?post=3958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ccopera.com\/metaux\/wp-json\/wp\/v2\/tags?post=3958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}