{"id":5287,"date":"2022-03-18T12:55:08","date_gmt":"2022-03-18T12:55:08","guid":{"rendered":"https:\/\/www.solids-solutions.com\/?page_id=5287"},"modified":"2022-10-21T13:04:22","modified_gmt":"2022-10-21T13:04:22","slug":"lanalyse-de-densite-par-pycnometrie-a-lhelium","status":"publish","type":"page","link":"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/lanalyse-de-densite-par-pycnometrie-a-lhelium\/","title":{"rendered":"L\u2019analyse de densit\u00e9 par pycnom\u00e9trie \u00e0 l\u2019h\u00e9lium"},"content":{"rendered":"<div class=\"gb-container gb-container-df6281b1\"><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\">L&rsquo;analyse de densit\u00e9 par pycnom\u00e9trie \u00e0 l\u2019h\u00e9lium est utilis\u00e9e pour la vraie densit\u00e9 de mati\u00e8res solides. Puisque l&rsquo;h\u00e9lium, qui peut entrer dans les moindres pores ou vides, est utilis\u00e9 pour mesurer le volume inconnu d&rsquo;un mat\u00e9riel ayant un certain poids, le r\u00e9sultat final est souvent \u00e9voqu\u00e9 \u00e9tant la densit\u00e9 osseuse. En combinant les r\u00e9sultats de cette technique de pycnom\u00e9trie avec les valeurs de densit\u00e9 vrac ou densit\u00e9 apparente issues d&rsquo;autres techniques, telles que la Porosim\u00e9trie au mercure, des informations sur la porosit\u00e9 peuvent&nbsp;\u00e9galement \u00eatre obtenus. Les mesures de densit\u00e9 par pycnom\u00e9trie \u00e0 l\u2019h\u00e9lium sont effectu\u00e9es sur un Quantachrome penta pycnom\u00e8tre. En utilisant des diff\u00e9rentes tailles de cellules d\u2019analyse, une large gamme de volumes, de formes et de poids d&rsquo;\u00e9chantillons peuvent \u00eatre analys\u00e9es avec pr\u00e9cision.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outre la densit\u00e9 osseuse, notre infrastructure permet \u00e9galement la d\u00e9termination de la densit\u00e9 tass\u00e9e ou non tass\u00e9e, variant de la densit\u00e9 volum\u00e9trique ou apparente. Ces param\u00e8tres sont d\u2019importants descripteurs pour d\u00e9crire les propri\u00e9t\u00e9s de flot de poudres.<\/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=\"267\" height=\"200\" src=\"https:\/\/www.solids-solutions.com\/wp-content\/uploads\/Helium-pycnometry.jpg\" alt=\"\" class=\"wp-image-4152\"\/><\/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\"><li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/\"><\/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><li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/\"><\/a><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><li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/\"><\/a><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><li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/\"><\/a><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><li><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/analyse-de-la-porosite-avec-porosimetrie-par-intrusion-de-mercure\/\"><\/a><a href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/etudes-de-mouillabilite\/\">\u00c9tudes de mouillabilit\u00e9<\/a><\/li><\/ul>\n<\/div>\n<\/div>\n\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>L&rsquo;analyse de densit\u00e9 par pycnom\u00e9trie \u00e0 l\u2019h\u00e9lium est utilis\u00e9e pour la vraie densit\u00e9 de mati\u00e8res solides. Puisque l&rsquo;h\u00e9lium, qui peut entrer dans les moindres pores ou vides, est utilis\u00e9 pour mesurer le volume inconnu d&rsquo;un mat\u00e9riel ayant un certain poids, le r\u00e9sultat final est souvent \u00e9voqu\u00e9 \u00e9tant la densit\u00e9 osseuse. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"L\u2019analyse de densit\u00e9 par pycnom\u00e9trie \u00e0 l\u2019h\u00e9lium\" class=\"read-more button\" href=\"https:\/\/www.solids-solutions.com\/fr\/rd\/porosite-et-surface-specifique\/lanalyse-de-densite-par-pycnometrie-a-lhelium\/#more-5287\" aria-label=\"En savoir plus sur L\u2019analyse de densit\u00e9 par pycnom\u00e9trie \u00e0 l\u2019h\u00e9lium\">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-5287","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - 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