{"id":114514,"date":"2022-02-08T04:51:01","date_gmt":"2022-02-08T03:51:01","guid":{"rendered":"https:\/\/material-properties.org\/phosphore-et-calcium-comparaison-proprietes\/"},"modified":"2022-03-28T07:58:40","modified_gmt":"2022-03-28T06:58:40","slug":"phosphore-et-calcium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/phosphore-et-calcium-comparaison-proprietes\/","title":{"rendered":"Phosphore et Calcium – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du phosphore et du calcium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Phosphore vs Calcium.<\/em><\/p>\n

\"phosphore<\/p>\n

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

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

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

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

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

\"Magn\u00e9sium<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

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

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

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

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

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

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

\"Magn\u00e9sium<\/a><\/p>\n

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

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

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

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

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

<\/div>\n
\n

Phosphore et Calcium – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Phosphore<\/h3>\n

En tant qu’\u00e9l\u00e9ment, le phosphore existe sous deux formes principales – le phosphore blanc et le phosphore rouge – mais comme il est hautement r\u00e9actif, le phosphore ne se trouve jamais sous forme d’\u00e9l\u00e9ment libre sur Terre.\u00a0\u00c0 0,099 %, le phosphore est le pnictog\u00e8ne le plus abondant dans la cro\u00fbte terrestre.
\n<\/p><\/div>

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

Calcium<\/h3>\n

Le calcium est un m\u00e9tal alcalino-terreux, c’est un m\u00e9tal jaune p\u00e2le r\u00e9actif qui forme une couche d’oxyde-nitrure sombre lorsqu’il est expos\u00e9 \u00e0 l’air.\u00a0Ses propri\u00e9t\u00e9s physiques et chimiques sont les plus similaires \u00e0 celles de ses homologues plus lourds, le strontium et le baryum.\u00a0C’est le cinqui\u00e8me \u00e9l\u00e9ment le plus abondant de la cro\u00fbte terrestre et le troisi\u00e8me m\u00e9tal le plus abondant, apr\u00e8s le fer et l’aluminium.<\/p>\n<\/div>

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

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

\n

\"Calcium<\/p>\n

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

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

<\/div>\n
\n

Phosphore et Calcium – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Phosphore<\/a><\/h3>\n

Le phosphore est un nutriment essentiel pour les plantes (le nutriment le plus souvent limitant, apr\u00e8s l’azote), et la majeure partie de toute la production de phosphore se fait dans des acides phosphoriques concentr\u00e9s pour les engrais agricoles, contenant jusqu’\u00e0 70\u00a0% \u00e0 75\u00a0% de P2O5.\u00a0La grande majorit\u00e9 des compos\u00e9s phosphor\u00e9s extraits sont consomm\u00e9s comme engrais.\u00a0Le phosphate est n\u00e9cessaire pour remplacer le phosphore que les plantes retirent du sol, et sa demande annuelle augmente presque deux fois plus vite que la croissance de la population humaine.\u00a0D’autres applications incluent les compos\u00e9s organophosphor\u00e9s dans les d\u00e9tergents, les pesticides et les agents neurotoxiques.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Calcium<\/a><\/h3>\n

La plus grande utilisation de calcium m\u00e9tallique est dans la sid\u00e9rurgie, en raison de sa forte affinit\u00e9 chimique pour l’oxyg\u00e8ne et le soufre.\u00a0Ses oxydes et sulfures, une fois form\u00e9s, donnent des inclusions d’aluminate de chaux liquide et de sulfure dans l’acier qui flottent.\u00a0Les compos\u00e9s de calcium sont utilis\u00e9s dans la fabrication d’insecticides, de peintures, de craie \u00e0 tableau noir, de textiles et de feux d’artifice.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Phosphore et Calcium – 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>\nPhosphore<\/b><\/td>\nCalcium<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n1,823g\/cm3<\/strong><\/td>\n1,55 g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\nN \/ A<\/strong><\/td>\n110 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>\nN \/ A<\/strong><\/td>\n20 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\n0,5<\/strong><\/td>\n1,5<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\nN \/ A<\/strong><\/td>\n170 \u2013 400 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>\n44,1\u00b0C<\/strong><\/td>\n842\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n280\u00b0C<\/strong><\/td>\n1484\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,235 W\/mK<\/strong><\/td>\n200W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\nN \/ A<\/strong><\/td>\n22,3 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,77 J\/g\u00b7K<\/span><\/strong><\/td>\n0,63 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n0,657 kJ\/mole<\/strong><\/td>\n8,54 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n51,9 kJ\/mole<\/span><\/strong><\/td>\n153,3\u00a0kJ\/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 du phosphore et du calcium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Phosphore vs Calcium. 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":"\nPhosphore et Calcium - 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 phosphore et du calcium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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