{"id":114448,"date":"2022-02-07T03:12:50","date_gmt":"2022-02-07T02:12:50","guid":{"rendered":"https:\/\/material-properties.org\/arsenic-et-cadmium-comparaison-proprietes\/"},"modified":"2022-03-23T07:55:05","modified_gmt":"2022-03-23T06:55:05","slug":"arsenic-et-cadmium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/arsenic-et-cadmium-comparaison-proprietes\/","title":{"rendered":"Arsenic et Cadmium – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques de l’arsenic et du cadmium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Arsenic contre Cadmium.<\/em><\/p>\n

\"arsenic<\/p>\n

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

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

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

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

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

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

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

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

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

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

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

<\/div>\n
\n

Arsenic et Cadmium – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Arsenic<\/h3>\n

L’arsenic est pr\u00e9sent dans de nombreux min\u00e9raux, g\u00e9n\u00e9ralement en combinaison avec du soufre et des m\u00e9taux, mais aussi sous forme de cristal \u00e9l\u00e9mentaire pur.\u00a0L’arsenic est un m\u00e9tallo\u00efde.
\n<\/p><\/div>

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

Cadmium<\/h3>\n

Le cadmium est un m\u00e9tal mou, blanc bleu\u00e2tre, chimiquement similaire aux deux autres m\u00e9taux stables du groupe 12, le zinc et le mercure.\u00a0Dans l’industrie nucl\u00e9aire, le cadmium est couramment utilis\u00e9 comme absorbeur de neutrons thermiques en raison de la section efficace d’absorption des neutrons tr\u00e8s \u00e9lev\u00e9e de 113Cd.\u00a0Le 113Cd a une section efficace d’absorption sp\u00e9cifique.<\/p>\n<\/div>

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

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

\n

\"Cadmium<\/p>\n

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

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

<\/div>\n
\n

Arsenic et Cadmium – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Arsenic<\/a><\/h3>\n

L’arsenic est utilis\u00e9 comme agent dopant dans les semi-conducteurs (ars\u00e9niure de gallium) pour les dispositifs \u00e0 semi-conducteurs.\u00a0Il est \u00e9galement utilis\u00e9 en bronzage, en pyrotechnie et pour durcir la grenaille.\u00a0Les compos\u00e9s d’arsenic peuvent \u00eatre utilis\u00e9s pour fabriquer du verre sp\u00e9cial et pr\u00e9server le bois.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Cadmium<\/a><\/h3>\n

Le cadmium est principalement consomm\u00e9 pour la production de batteries rechargeables au nickel-cadmium.\u00a0En 2009, 86 % du cadmium \u00e9tait utilis\u00e9 dans les piles, principalement dans les piles rechargeables au nickel-cadmium.\u00a0Les autres utilisations finales comprennent les pigments, les rev\u00eatements et le placage, et comme stabilisants pour les plastiques.\u00a0La fabrication de cellules solaires pourrait devenir un autre march\u00e9 important pour le cadmium \u00e0 l’avenir.\u00a0Dans l’industrie nucl\u00e9aire, le cadmium est couramment utilis\u00e9 comme absorbeur de neutrons thermiques en raison de la section efficace d’absorption des neutrons tr\u00e8s \u00e9lev\u00e9e de 113Cd.\u00a0Le 113Cd a une section efficace d’absorption sp\u00e9cifique.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Arsenic et Cadmium – 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>\nArsenic<\/b><\/td>\nCadmium<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n5,727 g\/cm3<\/strong><\/td>\n8,65 g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\nN \/ A<\/strong><\/td>\n75 MPa<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Module de Young<\/td>\n8 GPa<\/strong><\/td>\n50 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\n3,5<\/strong><\/td>\n2<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\n1440 MPa<\/strong><\/td>\n203 MPa<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n817\u00b0C<\/strong><\/td>\n321,07\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n614\u00b0C<\/strong><\/td>\n767\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n50 W\/mK<\/strong><\/td>\n97 W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\n5,6 \u00b5m\/mK<\/strong><\/td>\n30,8 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,33 J\/g\u00b7K<\/span><\/strong><\/td>\n0,23 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\nN \/ A<\/strong><\/td>\n6,192 kJ\/mol<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n34,76 kJ\/mole<\/span><\/strong><\/td>\n99,57 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 de l’arsenic et du cadmium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Arsenic contre Cadmium. 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":"\nArsenic et Cadmium - 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 de l'arsenic et du cadmium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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