{"id":114435,"date":"2022-02-06T22:25:31","date_gmt":"2022-02-06T21:25:31","guid":{"rendered":"https:\/\/material-properties.org\/rhodium-et-platine-comparaison-proprietes\/"},"modified":"2022-03-22T14:27:35","modified_gmt":"2022-03-22T13:27:35","slug":"rhodium-et-platine-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/rhodium-et-platine-comparaison-proprietes\/","title":{"rendered":"Rhodium et Platine – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du rhodium et du platine, 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 Platine.<\/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 le platine avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

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

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

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

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

\"Tungst\u00e8ne<\/a><\/p>\n

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

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

<\/div>\n
\n

Rhodium et Platine – \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

Platine<\/h3>\n

Le platine est un m\u00e9tal de transition dense, mall\u00e9able, ductile, hautement non r\u00e9actif, pr\u00e9cieux, blanc argent\u00e9.\u00a0Le platine est l’un des m\u00e9taux les moins r\u00e9actifs.\u00a0Il a une r\u00e9sistance remarquable \u00e0 la corrosion, m\u00eame \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es, et est donc consid\u00e9r\u00e9 comme un m\u00e9tal noble.\u00a0Le platine est utilis\u00e9 dans les convertisseurs catalytiques, les \u00e9quipements de laboratoire, les contacts \u00e9lectriques et les \u00e9lectrodes, les thermom\u00e8tres \u00e0 r\u00e9sistance de platine, les \u00e9quipements de dentisterie et les bijoux.<\/p>\n<\/div>

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

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

\n

\"Platine<\/p>\n

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

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

<\/div>\n
\n

Rhodium et Platine – 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

Platine<\/a><\/h3>\n

Le platine est avant tout un m\u00e9tal industriel.\u00a0C’est un mat\u00e9riau critique pour de nombreuses industries et il est consid\u00e9r\u00e9 comme un m\u00e9tal strat\u00e9gique.\u00a0Le platine est utilis\u00e9 comme catalyseur, le platine se trouve principalement dans les convertisseurs catalytiques des v\u00e9hicules qui r\u00e9duisent les produits chimiques d’\u00e9chappement toxiques, ainsi que dans les piles \u00e0 combustible pour augmenter l’efficacit\u00e9.\u00a0L’utilisation la plus courante du platine est comme catalyseur dans les r\u00e9actions chimiques, souvent sous forme de noir de platine.\u00a0Dans les convertisseurs catalytiques, le platine permet la combustion compl\u00e8te de faibles concentrations d’hydrocarbures non br\u00fbl\u00e9s de l’\u00e9chappement en dioxyde de carbone et en vapeur d’eau.\u00a0Le platine a \u00e9t\u00e9 utilis\u00e9 dans les dispositifs \u00e0 thermocouple qui mesurent la temp\u00e9rature avec une grande pr\u00e9cision.\u00a0Le platine est un composant des rev\u00eatements magn\u00e9tiques pour les disques durs haute densit\u00e9 et certains des nouveaux syst\u00e8mes de stockage optique.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Rhodium et Platine – 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>\nPlatine<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n12,45 g\/cm3<\/strong><\/td>\n21,09 g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\n950 MPa<\/strong><\/td>\n150 MPa<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\nN \/ A<\/strong><\/td>\n70 MPa<\/strong><\/td>\n<\/tr>\n
Module de Young<\/td>\n380 GPa<\/strong><\/td>\n168 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\n6<\/strong><\/td>\n3,5<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\n1100 MPa<\/strong><\/td>\n400 MPa<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\n1246 MPa<\/strong><\/td>\n550 MPa<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n1964\u00b0C<\/strong><\/td>\n1772\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n3695\u00b0C<\/strong><\/td>\n3827\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n150W\/mK<\/strong><\/td>\n72W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\n8,2 \u00b5m\/mK<\/strong><\/td>\n8,8 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,242 J\/g\u00b7K<\/span><\/strong><\/td>\n0,13 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n21,5 kJ\/mole<\/strong><\/td>\n19,6 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n493 kJ\/mole<\/span><\/strong><\/td>\n510 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 du platine, 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 Platine. 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 Platine - 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 du platine, 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 Platine.\" \/>\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-platine-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 Platine - 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 du platine, 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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