{"id":114394,"date":"2022-02-05T01:36:29","date_gmt":"2022-02-05T00:36:29","guid":{"rendered":"https:\/\/material-properties.org\/praseodyme-et-neodyme-comparaison-proprietes\/"},"modified":"2022-03-22T11:38:17","modified_gmt":"2022-03-22T10:38:17","slug":"praseodyme-et-neodyme-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/praseodyme-et-neodyme-comparaison-proprietes\/","title":{"rendered":"Pras\u00e9odyme et N\u00e9odyme &#8211; Comparaison &#8211; Propri\u00e9t\u00e9s"},"content":{"rendered":"<p><em>Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du pras\u00e9odyme et du n\u00e9odyme, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Pras\u00e9odyme vs N\u00e9odyme.<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-107600\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/praseodymium-and-neodymium-comparison.png\" alt=\"pras\u00e9odyme et n\u00e9odyme - comparaison\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/praseodymium-and-neodymium-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/praseodymium-and-neodymium-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/praseodymium-and-neodymium-comparison-768x691.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-modern-light su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Comparer le pras\u00e9odyme avec un autre \u00e9l\u00e9ment<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<p><a href=\"https:\/\/material-properties.org\/Praseodymium-and-Neodymium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec N\u00e9odyme\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Neodymium-properties-price-application-production-150x150.png\" alt=\"N\u00e9odyme - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-modern-light su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Comparer le n\u00e9odyme avec un autre \u00e9l\u00e9ment<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<p><a href=\"https:\/\/material-properties.org\/Neodymium-and-Dysprosium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Dysprosium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Dysprosium-properties-price-application-production-150x150.png\" alt=\"Dysprosium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Praseodymium-and-Neodymium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Pras\u00e9odyme\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Praseodymium-properties-price-application-production-150x150.png\" alt=\"Pras\u00e9odyme - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<div class=\"su-heading su-heading-style-modern-1-dark su-heading-align-left\" id=\"\" style=\"font-size:13px;margin-bottom:20px\"><div class=\"su-heading-inner\">\n<h2>Pras\u00e9odyme et n\u00e9odyme &#8211; \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-icon-text sue-panel-clickable\" data-url=\"https:\/\/material-properties.org\/praseodymium-properties-applications-price-production\/\" data-target=\"self\" style=\"min-height:58px;padding-left:72px;color:#333333\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><img src=\"icon : cercle d'informations\" style=\"width:48px\" alt=\"\" \/><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#333333\">\n<h3>Pras\u00e9odyme<\/h3>\n<p>Le pras\u00e9odyme est un m\u00e9tal doux, argent\u00e9, mall\u00e9able et ductile, appr\u00e9ci\u00e9 pour ses propri\u00e9t\u00e9s magn\u00e9tiques, \u00e9lectriques, chimiques et optiques.\u00a0Le pras\u00e9odyme est le troisi\u00e8me membre de la s\u00e9rie des lanthanides et est traditionnellement consid\u00e9r\u00e9 comme l&rsquo;un des m\u00e9taux des terres rares.<\/p>\n<\/div><div style=\"clear:both;height:0\"><\/div><\/div>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-icon-text sue-panel-clickable\" data-url=\"https:\/\/material-properties.org\/neodymium-properties-applications-price-production\/\" data-target=\"self\" style=\"min-height:58px;padding-left:72px;color:#333333\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><img src=\"icon : cercle d'informations\" style=\"width:48px\" alt=\"\" \/><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#333333\">\n<h3>N\u00e9odyme<\/h3>\n<p>Le n\u00e9odyme est un m\u00e9tal argent\u00e9 doux qui se ternit \u00e0 l&rsquo;air.\u00a0Le n\u00e9odyme ne se trouve pas naturellement sous forme m\u00e9tallique ou non m\u00e9lang\u00e9 avec d&rsquo;autres lanthanides, et il est g\u00e9n\u00e9ralement raffin\u00e9 pour un usage g\u00e9n\u00e9ral.\u00a0Bien que le n\u00e9odyme soit class\u00e9 parmi les terres rares, c&rsquo;est un \u00e9l\u00e9ment assez courant.<\/p>\n<\/div><div style=\"clear:both;height:0\"><\/div><\/div>\n<\/div><\/div>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-92449\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Praseodymium-periodic-table-300x175.png\" alt=\"Pras\u00e9odyme dans le tableau p\u00e9riodique\" width=\"300\" height=\"175\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Praseodymium-periodic-table-300x175.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Praseodymium-periodic-table-1024x598.png 1024w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Praseodymium-periodic-table-768x449.png 768w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Praseodymium-periodic-table.png 1106w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-92414 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table-244x300.png\" alt=\"N\u00e9odyme dans le tableau p\u00e9riodique\" width=\"244\" height=\"300\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table-244x300.png 244w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table.png 466w\" sizes=\"(max-width: 244px) 100vw, 244px\" \/><\/p>\n<p style=\"text-align: left;\"><\/p><\/div><\/div>\n<p style=\"text-align: center;\">Source : www.luciteria.com<\/p>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<div class=\"su-heading su-heading-style-modern-1-dark su-heading-align-left\" id=\"\" style=\"font-size:13px;margin-bottom:20px\"><div class=\"su-heading-inner\">\n<h2>Pras\u00e9odyme et N\u00e9odyme &#8211; Applications<\/h2>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-shadow-wrap sue-content-wrap sue-shadow-inline-no\"><div class=\"sue-shadow sue-shadow-style-vertical\">\n<div class=\"sue-panel\" data-url=\"\" data-target=\"self\" style=\"background-color:#ffffff;color:#333333;border-radius:0px;-moz-border-radius:0px;-webkit-border-radius:0px;box-shadow:none;-moz-box-shadow:none;-webkit-box-shadow:none;border:1px solid #cccccc\"><div class=\"sue-panel-content sue-content-wrap\" style=\"padding:15px;text-align:left\">\n<h3><a href=\"https:\/\/material-properties.org\/praseodymium-properties-applications-price-production\/\">Pras\u00e9odyme<\/a><\/h3>\n<p>Le pras\u00e9odyme est utilis\u00e9 dans une vari\u00e9t\u00e9 d&rsquo;alliages.\u00a0L&rsquo;alliage \u00e0 haute r\u00e9sistance qu&rsquo;il forme avec le magn\u00e9sium est utilis\u00e9 dans les moteurs d&rsquo;avions.\u00a0Le mischm\u00e9tal est un alliage contenant environ 5 % de pras\u00e9odyme et est utilis\u00e9 pour fabriquer des pierres \u00e0 briquet pour les briquets.\u00a0En combinaison avec le n\u00e9odyme, un autre \u00e9l\u00e9ment de terre rare, le pras\u00e9odyme est utilis\u00e9 pour cr\u00e9er des aimants de haute puissance remarquables pour leur r\u00e9sistance et leur durabilit\u00e9.\u00a0Les compos\u00e9s de pras\u00e9odyme donnent aux verres et aux \u00e9maux une couleur jaune.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-shadow-wrap sue-content-wrap sue-shadow-inline-no\"><div class=\"sue-shadow sue-shadow-style-vertical\">\n<div class=\"sue-panel\" data-url=\"\" data-target=\"self\" style=\"background-color:#ffffff;color:#333333;border-radius:0px;-moz-border-radius:0px;-webkit-border-radius:0px;box-shadow:none;-moz-box-shadow:none;-webkit-box-shadow:none;border:1px solid #cccccc\"><div class=\"sue-panel-content sue-content-wrap\" style=\"padding:15px;text-align:left\">\n<h3><a href=\"https:\/\/material-properties.org\/neodymium-properties-applications-price-production\/\">N\u00e9odyme<\/a><\/h3>\n<p>L&rsquo;utilisation la plus importante du n\u00e9odyme est dans un alliage avec du fer et du bore pour fabriquer des aimants permanents tr\u00e8s puissants.\u00a0Ces aimants sont largement utilis\u00e9s dans des produits tels que les microphones, les haut-parleurs professionnels, les \u00e9couteurs intra-auriculaires, les moteurs \u00e9lectriques \u00e0 courant continu haute performance pour loisirs et les disques durs d&rsquo;ordinateur, o\u00f9 une faible masse (ou volume) d&rsquo;aimant ou des champs magn\u00e9tiques puissants sont n\u00e9cessaires.\u00a0Des aimants en n\u00e9odyme plus gros sont utilis\u00e9s dans les moteurs \u00e9lectriques \u00e0 haute puissance par rapport au poids (par exemple dans les voitures hybrides) et les g\u00e9n\u00e9rateurs (par exemple les g\u00e9n\u00e9rateurs \u00e9lectriques d&rsquo;avions et d&rsquo;\u00e9oliennes).\u00a0Le n\u00e9odyme est un composant, avec le pras\u00e9odyme, du verre de didymium.\u00a0Il s&rsquo;agit d&rsquo;un verre sp\u00e9cial pour les lunettes utilis\u00e9es lors du soufflage du verre et du soudage.\u00a0L&rsquo;\u00e9l\u00e9ment colore le verre de d\u00e9licates nuances de violet, de rouge vin et de gris.\u00a0Le n\u00e9odyme est \u00e9galement utilis\u00e9 dans le verre des cabines de bronzage,<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<div class=\"su-heading su-heading-style-modern-1-dark su-heading-align-left\" id=\"\" style=\"font-size:13px;margin-bottom:20px\"><div class=\"su-heading-inner\">\n<h2>Pras\u00e9odyme et N\u00e9odyme &#8211; Comparaison dans le tableau<\/h2>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\">\u00c9l\u00e9ment<\/td>\n<td style=\"text-align: center;\"><b>Pras\u00e9odyme<\/b><\/td>\n<td style=\"text-align: center;\"><b>N\u00e9odyme<\/b><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Densit\u00e9<\/td>\n<td style=\"text-align: center;\"><strong>6,64 g\/cm3<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>7,01 g\/cm3<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">R\u00e9sistance \u00e0 la traction ultime<\/td>\n<td style=\"text-align: center;\"><strong>110 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>155 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Limite d&rsquo;\u00e9lasticit\u00e9<\/td>\n<td style=\"text-align: center;\"><strong>103 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>150 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Module de Young<\/td>\n<td style=\"text-align: center;\"><strong>37,3 GPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>41,4 GPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">\u00c9chelle de Mohs<\/td>\n<td style=\"text-align: center;\"><strong>N \/ A<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>N \/ A<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Duret\u00e9 Brinell<\/td>\n<td style=\"text-align: center;\"><strong>490 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>265 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Duret\u00e9 Vickers<\/td>\n<td style=\"text-align: center;\"><strong>400 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>360 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Point de fusion<\/td>\n<td style=\"text-align: center;\"><strong>931\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>1016\u00b0C<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Point d&rsquo;\u00e9bullition<\/td>\n<td style=\"text-align: center;\"><strong>3130\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>3074\u00b0C<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Conductivit\u00e9 thermique<\/td>\n<td style=\"text-align: center;\"><strong>13W\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>17W\/mK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Coefficient de dilatation thermique<\/td>\n<td style=\"text-align: center;\"><strong>6,7 \u00b5m\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>9,6 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Chaleur sp\u00e9cifique<\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\">0,19 J\/g\u00b7K<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>0,19 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Temp\u00e9rature de fusion<\/td>\n<td style=\"text-align: center;\"><strong>6,89 kJ\/mole<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>7,14 kJ\/mole<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Chaleur de vaporisation<\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\">296,8 kJ\/mole<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>273 kJ\/mole<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du pras\u00e9odyme et du n\u00e9odyme, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Pras\u00e9odyme vs N\u00e9odyme. 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":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pras\u00e9odyme et N\u00e9odyme - 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 pras\u00e9odyme et du n\u00e9odyme, 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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Pras\u00e9odyme vs N\u00e9odyme.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/fr\/praseodyme-et-neodyme-comparaison-proprietes\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-05T00:36:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-22T10:38:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/praseodymium-and-neodymium-comparison.png\" \/>\n<meta name=\"author\" content=\"Nick Connor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/material-properties.org\/fr\/praseodyme-et-neodyme-comparaison-proprietes\/\",\"url\":\"https:\/\/material-properties.org\/fr\/praseodyme-et-neodyme-comparaison-proprietes\/\",\"name\":\"Pras\u00e9odyme et N\u00e9odyme - Comparaison - Propri\u00e9t\u00e9s - Material Properties\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#website\"},\"datePublished\":\"2022-02-05T00:36:29+00:00\",\"dateModified\":\"2022-03-22T10:38:17+00:00\",\"author\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du pras\u00e9odyme et du n\u00e9odyme, 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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