{"id":114500,"date":"2022-02-07T23:42:30","date_gmt":"2022-02-07T22:42:30","guid":{"rendered":"https:\/\/material-properties.org\/argon-et-krypton-comparaison-proprietes\/"},"modified":"2022-03-28T07:42:08","modified_gmt":"2022-03-28T06:42:08","slug":"argon-et-krypton-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/argon-et-krypton-comparaison-proprietes\/","title":{"rendered":"Argon et Krypton – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques de l’argon et du krypton, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Argon contre Krypton.<\/em><\/p>\n

\"argon<\/p>\n

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

\"H\u00e9lium<\/a><\/p>\n

\"N\u00e9on<\/a><\/p>\n

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

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

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

\"X\u00e9non<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

Argon et Krypton – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Argon<\/h3>\n

L’argon est le troisi\u00e8me gaz le plus abondant dans l’atmosph\u00e8re terrestre, \u00e0 0,934 % (9340 ppmv).\u00a0Il est plus de deux fois plus abondant que la vapeur d’eau (qui est en moyenne d’environ 4000 ppmv, mais varie consid\u00e9rablement), 23 fois plus abondant que le dioxyde de carbone (400 ppmv) et plus de 500 fois plus abondant que le n\u00e9on (18 ppmv).\u00a0L’argon est principalement utilis\u00e9 comme gaz de protection inerte dans le soudage et d’autres proc\u00e9d\u00e9s industriels \u00e0 haute temp\u00e9rature o\u00f9 des substances habituellement non r\u00e9actives deviennent r\u00e9actives;\u00a0par exemple, une atmosph\u00e8re d’argon est utilis\u00e9e dans les fours \u00e9lectriques \u00e0 graphite pour emp\u00eacher le graphite de br\u00fbler.
\n<\/p><\/div>

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

Krypton<\/h3>\n

Le krypton fait partie des \u00e9l\u00e9ments du groupe 18 (gaz nobles).\u00a0Gaz noble incolore, inodore et insipide, le krypton est pr\u00e9sent \u00e0 l’\u00e9tat de trace dans l’atmosph\u00e8re et est souvent utilis\u00e9 avec d’autres gaz rares dans les lampes fluorescentes.<\/p>\n<\/div>

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

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

\n

\"Krypton<\/p>\n

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

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

<\/div>\n
\n

Argon et Krypton – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Argon<\/a><\/h3>\n

Les principales applications de l’argon sont les suivantes\u00a0: lampes \u00e9lectriques comme gaz de remplissage, soudage, tubes \u00e0 d\u00e9charge, lasers \u00e0 argon et lasers \u00e0 colorant \u00e0 l’argon.\u00a0L’argon est principalement utilis\u00e9 comme gaz de protection inerte dans le soudage et d’autres proc\u00e9d\u00e9s industriels \u00e0 haute temp\u00e9rature o\u00f9 des substances habituellement non r\u00e9actives deviennent r\u00e9actives;\u00a0par exemple, une atmosph\u00e8re d’argon est utilis\u00e9e dans les fours \u00e9lectriques \u00e0 graphite pour emp\u00eacher le graphite de br\u00fbler.\u00a0L’argon est \u00e9galement utilis\u00e9 dans l’\u00e9clairage incandescent, fluorescent et autres tubes \u00e0 d\u00e9charge.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Krypton<\/a><\/h3>\n

Les multiples lignes d’\u00e9mission de Krypton font appara\u00eetre les d\u00e9charges de gaz de krypton ionis\u00e9 blanch\u00e2tres, ce qui rend les ampoules \u00e0 base de krypton utiles en photographie comme source de lumi\u00e8re blanche.\u00a0Le krypton est utilis\u00e9 dans certains flashs photographiques pour la photographie \u00e0 grande vitesse.\u00a0Le krypton est \u00e9galement utilis\u00e9 dans les techniques d’IRM\/CT.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Argon et Krypton – 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>\nArgon<\/b><\/td>\nKrypton<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,00178g\/cm3<\/strong><\/td>\n0,00375g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/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>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n-189,2\u00b0C<\/strong><\/td>\n-157,36\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n-185,7\u00b0C<\/strong><\/td>\n-153,22\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,01772 W\/mK<\/strong><\/td>\n0,00949 W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,52 J\/g\u00b7K<\/span><\/strong><\/td>\n0,248 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n1,188 kJ\/mole<\/strong><\/td>\n1,638 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n6,447 kJ\/mol<\/span><\/strong><\/td>\n9,029 kJ\/mole<\/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’argon et du krypton, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Argon contre Krypton. 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":"\nArgon et Krypton - 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'argon et du krypton, 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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