{"id":5291,"date":"2022-03-18T12:31:31","date_gmt":"2022-03-18T12:31:31","guid":{"rendered":"https:\/\/www.solids-solutions.com\/?page_id=5291"},"modified":"2023-08-30T11:38:33","modified_gmt":"2023-08-30T11:38:33","slug":"analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure","status":"publish","type":"page","link":"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/","title":{"rendered":"Analyse de la porosit\u00e9 avec porosim\u00e9trie par intrusion de mercure"},"content":{"rendered":"<div class=\"gb-container gb-container-c8d7239b\"><div class=\"gb-inside-container\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:65%\">\n<p class=\"wp-block-paragraph\">La Porosim\u00e9trie par intrusion de mercure utilise la propri\u00e9t\u00e9 du mercure pour obtenir les caract\u00e9ristiques de la porosit\u00e9 des mat\u00e9riaux solides: la porosit\u00e9, la distribution de la taille des pores et la densit\u00e9. Tandis que l&rsquo;intrusion de mercure dans les &nbsp;macropores se produit d\u00e9j\u00e0 \u00e0 basse pression, une pression plus \u00e9lev\u00e9e est n\u00e9cessaire pour forcer l&rsquo;intrusion du mercure dans les pores plus petites. De cette fa\u00e7on, une large \u00e9tendue dynamique de la taille des pores peut \u00eatre mesur\u00e9e et une distribution de taille de pore peut \u00eatre obtenu \u00e0 partir de 4 nm (pression = 400 MPa) jusqu&rsquo;\u00e0 env. 800 \u03bcm (sous vide). En cons\u00e9quence, la Porosim\u00e9trie par intrusion de mercure convient particuli\u00e8rement&nbsp; aux mat\u00e9riaux \u00e0 large distribution de pores ou ayant principalement des macropores.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e9alablement \u00e0 l&rsquo;analyse, le d\u00e9gazage sous vide ou sous azote sont utilis\u00e9s pour \u00e9liminer l&rsquo;humidit\u00e9 de la structure poreuse. Outre des informations sur la porosit\u00e9 obtenue par les pores situ\u00e9s dans le solide, \u00e9galement l&rsquo;espace vide entre les particules (porosit\u00e9 inter particulaire) peut \u00eatre d\u00e9riv\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les analyses a basse et haute pression d\u2019intrusion de mercure sont effectu\u00e9s en notre laboratoire&nbsp; avec un CE Pascal 140 et 440 ou Micromeritics Autopore 9505. Le rapport comprend une repr\u00e9sentation graphique de l&rsquo;intrusion de mercure et d&rsquo;extrusion et de la courbe de la distribution de la taille des pores accompagn\u00e9e par des donn\u00e9es sur le volume des pores, la taille des pores, la densit\u00e9, et la porosit\u00e9.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:35%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"446\" src=\"https:\/\/www.solids-solutions.com\/wp-content\/uploads\/Mercury-porosimetry.jpg\" alt=\"\" class=\"wp-image-4141\" srcset=\"https:\/\/www.solids-solutions.com\/wp-content\/uploads\/Mercury-porosimetry.jpg 400w, https:\/\/www.solids-solutions.com\/wp-content\/uploads\/Mercury-porosimetry-269x300.jpg 269w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.solids-solutions.com\/rd\/porosity-and-surface-area-analysis\/porosity-analysis-by-mercury-porosimetry\/\"><\/a><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/\">Analyse de la porosit\u00e9 avec porosim\u00e9trie par intrusion de mercure<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/lanalyse-de-densite-par-pycnometrie-a-lhelium\/\">L&rsquo;analyse de densit\u00e9 par pycnom\u00e9trie \u00e0 l\u2019h\u00e9lium<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/catalyseur-caracterisation-par-adsorption-chimique\/\">Catalyseur caract\u00e9risation par adsorption chimique<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/adsorption-physique-physisorption-pour-analyser-de-la-porosite-et-surface-bet\/\">Adsorption physique (physisorption) pour analyser de la porosit\u00e9 et surface BET<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/etudes-de-mouillabilite\/\">\u00c9tudes de mouillabilit\u00e9<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>La Porosim\u00e9trie par intrusion de mercure utilise la propri\u00e9t\u00e9 du mercure pour obtenir les caract\u00e9ristiques de la porosit\u00e9 des mat\u00e9riaux solides: la porosit\u00e9, la distribution de la taille des pores et la densit\u00e9. Tandis que l&rsquo;intrusion de mercure dans les &nbsp;macropores se produit d\u00e9j\u00e0 \u00e0 basse pression, une pression plus &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Analyse de la porosit\u00e9 avec porosim\u00e9trie par intrusion de mercure\" class=\"read-more button\" href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/#more-5291\" aria-label=\"En savoir plus sur Analyse de la porosit\u00e9 avec porosim\u00e9trie par intrusion de mercure\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":5279,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5291","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Analyse de la porosit\u00e9 avec 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