{"id":114432,"date":"2022-02-06T21:19:27","date_gmt":"2022-02-06T20:19:27","guid":{"rendered":"https:\/\/material-properties.org\/rhodium-et-argent-comparaison-proprietes\/"},"modified":"2022-03-22T14:21:20","modified_gmt":"2022-03-22T13:21:20","slug":"rhodium-et-argent-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/rhodium-et-argent-comparaison-proprietes\/","title":{"rendered":"Rhodium et Argent – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du rhodium et de l’argent, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Rhodium contre Argent.<\/em><\/p>\n

\"rhodium<\/p>\n

\n
<\/span>Comparer le rhodium avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"Platine<\/a><\/p>\n

\"Or<\/a><\/p>\n

\"Palladium<\/a><\/p>\n

\"Argent<\/a><\/p>\n

\"Rh\u00e9nium<\/a><\/p>\n

\"Iridium<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Comparer l'argent avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"Chlore<\/a><\/p>\n

\"Cobalt<\/a><\/p>\n

\"Nickel<\/a><\/p>\n

\"Cuivre<\/a><\/p>\n

\"Rhodium<\/a><\/p>\n

\"Palladium<\/a><\/p>\n

\"Or<\/a><\/p>\n

\"Platine<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

Rhodium et Argent – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Rhodium<\/h3>\n

Le rhodium est un m\u00e9tal de transition rare, blanc argent\u00e9, dur, r\u00e9sistant \u00e0 la corrosion et chimiquement inerte.\u00a0C’est un m\u00e9tal noble et un membre du groupe du platine.<\/p>\n<\/div>

<\/div><\/div>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Argent<\/h3>\n

L’argent est un m\u00e9tal de transition doux, blanc et brillant, il pr\u00e9sente la conductivit\u00e9 \u00e9lectrique, la conductivit\u00e9 thermique et la r\u00e9flectivit\u00e9 les plus \u00e9lev\u00e9es de tous les m\u00e9taux.\u00a0Le m\u00e9tal se trouve dans la cro\u00fbte terrestre sous forme \u00e9l\u00e9mentaire pure et libre (\u00ab\u00a0argent natif\u00a0\u00bb), en tant qu’alliage avec de l’or et d’autres m\u00e9taux, et dans des min\u00e9raux tels que l’argentite et la chlorargyrite.\u00a0La plupart de l’argent est produit comme sous-produit du raffinage du cuivre, de l’or, du plomb et du zinc.<\/p>\n<\/div>

<\/div><\/div>\n<\/div><\/div>\n
<\/div>\n
\n

\"Rhodium<\/p>\n<\/div><\/div>\n

\n

\"Argent<\/p>\n

<\/p><\/div><\/div>\n

Source : www.luciteria.com<\/p>\n

<\/div>\n
\n

Rhodium et Argent – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Rhodium<\/a><\/h3>\n

L’utilisation principale de l’\u00e9l\u00e9ment (environ 80% de la production mondiale de rhodium) est l’un des catalyseurs des convertisseurs catalytiques \u00e0 trois voies des automobiles.\u00a0Parce que le m\u00e9tal rhodium est inerte contre la corrosion et la plupart des produits chimiques agressifs, et en raison de sa raret\u00e9, le rhodium est g\u00e9n\u00e9ralement alli\u00e9 au platine ou au palladium et appliqu\u00e9 dans des rev\u00eatements r\u00e9sistants aux hautes temp\u00e9ratures et \u00e0 la corrosion.\u00a0Dans les r\u00e9acteurs nucl\u00e9aires, les d\u00e9tecteurs \u00e0 base de rhodium sont souvent utilis\u00e9s pour mesurer le flux neutronique dans le c\u0153ur.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Argent<\/a><\/h3>\n

L’argent a longtemps \u00e9t\u00e9 consid\u00e9r\u00e9 comme un m\u00e9tal pr\u00e9cieux.\u00a0Le m\u00e9tal argent\u00e9 est utilis\u00e9 dans de nombreuses pi\u00e8ces d’investissement, parfois aux c\u00f4t\u00e9s de l’or.\u00a0L’argent a de nombreuses applications technologiques et \u00e9lectroniques importantes et de grande envergure.\u00a0Il est utilis\u00e9 dans tout, des t\u00e9l\u00e9phones portables, des ordinateurs et des semi-conducteurs aux automobiles, aux syst\u00e8mes de purification de l’eau et, parce qu’il est le meilleur conducteur de chaleur de tous les \u00e9l\u00e9ments, aux tuiles de rayonnement solaire des engins spatiaux.\u00a0L’argent est de la plus haute importance dans la photographie (o\u00f9 environ 30\u00a0% de la consommation industrielle am\u00e9ricaine est consacr\u00e9e \u00e0 cette application).\u00a0Les utilisations m\u00e9dicales de l’argent comprennent son utilisation dans les pansements, les cr\u00e8mes et comme rev\u00eatement antibiotique sur les dispositifs m\u00e9dicaux.\u00a0Les pansements contenant de la sulfadiazine d’argent ou des nanomat\u00e9riaux d’argent peuvent \u00eatre utilis\u00e9s sur les infections externes.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Rhodium et Argent – Comparaison dans le tableau<\/h2>\n<\/div><\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u00c9l\u00e9ment<\/td>\nRhodium<\/b><\/td>\nArgent<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n12,45 g\/cm3<\/strong><\/td>\n10,49 g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\n950 MPa<\/strong><\/td>\n110 MPa<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\nN \/ A<\/strong><\/td>\n45 MPa<\/strong><\/td>\n<\/tr>\n
Module d’\u00e9lasticit\u00e9 de Young<\/td>\n380 GPa<\/strong><\/td>\n83 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\n6<\/strong><\/td>\n3,25<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\n1100 MPa<\/strong><\/td>\n210 MPa<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\n1246 MPa<\/strong><\/td>\n251 MPa<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n1964\u00b0C<\/strong><\/td>\n961,78\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n3695\u00b0C<\/strong><\/td>\n2162\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n150 W\/mK<\/strong><\/td>\n430 W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\n8,2 \u00b5m\/mK<\/strong><\/td>\n18,9 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,242 J\/g\u00b7K<\/span><\/strong><\/td>\n0,235 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n21,5 kJ\/mole<\/strong><\/td>\n11,3 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n493 kJ\/mole<\/span><\/strong><\/td>\n250,58 kJ\/mol<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du rhodium et de l’argent, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Rhodium contre Argent. Source : www.luciteria.com<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"yoast_head":"\nRhodium et Argent - Comparaison - Propri\u00e9t\u00e9s - Material Properties<\/title>\n<meta name=\"description\" content=\"Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du rhodium et de l'argent, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments. Rhodium contre Argent.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/material-properties.org\/fr\/rhodium-et-argent-comparaison-proprietes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rhodium et Argent - Comparaison - Propri\u00e9t\u00e9s - Material Properties\" \/>\n<meta property=\"og:description\" content=\"Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du rhodium et de l'argent, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments. 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