{"id":117303,"date":"2022-09-16T06:58:14","date_gmt":"2022-09-16T05:58:14","guid":{"rendered":"https:\/\/material-properties.org\/europio-e-iterbio-comparacao-propriedades\/"},"modified":"2022-10-18T08:37:17","modified_gmt":"2022-10-18T07:37:17","slug":"europio-e-iterbio-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/europio-e-iterbio-comparacao-propriedades\/","title":{"rendered":"Eur\u00f3pio e It\u00e9rbio – Compara\u00e7\u00e3o – Propriedades"},"content":{"rendered":"

Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de eur\u00f3pio e it\u00e9rbio, dois elementos qu\u00edmicos compar\u00e1veis \u200b\u200bda tabela peri\u00f3dica.\u00a0Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos.\u00a0Eur\u00f3pio vs. It\u00e9rbio.<\/span><\/em><\/p>\n

\"eur\u00f3pio<\/p>\n

\n
<\/span>Comparar Eur\u00f3pio com outro elemento<\/div>
\n
<\/div>\n

\"Gadol\u00ednio<\/a><\/p>\n

\"Dispr\u00f3sio<\/a><\/p>\n

\"T\u00e2ntalo<\/a><\/p>\n

\"It\u00e9rbio<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Compare It\u00e9rbio com outro elemento<\/div>
\n
<\/div>\n

\"Eur\u00f3pio<\/a><\/p>\n

\"\u00cdtrio<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

Eur\u00f3pio e It\u00e9rbio – Sobre Elementos<\/span><\/h2>\n

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


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

Eur\u00f3pio<\/span><\/h3>\n

O eur\u00f3pio \u00e9 um metal prateado moderadamente duro que oxida facilmente no ar e na \u00e1gua.\u00a0Sendo um membro t\u00edpico da s\u00e9rie dos lantan\u00eddeos, o eur\u00f3pio geralmente assume o estado de oxida\u00e7\u00e3o +3.\u00a0O eur\u00f3pio \u00e9 um dos elementos menos abundantes no universo.\u00a0Apenas cerca de 5 \u00d7 10-8% de toda a mat\u00e9ria no universo \u00e9 eur\u00f3pio.<\/span><\/p>\n

<\/span><\/p><\/div>

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


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

It\u00e9rbio<\/span><\/h3>\n

Por causa de sua configura\u00e7\u00e3o eletr\u00f4nica de camada fechada, sua densidade e pontos de fus\u00e3o e ebuli\u00e7\u00e3o diferem significativamente da maioria dos outros lantan\u00eddeos.<\/span><\/p>\n

<\/span><\/p><\/div>

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

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

\n

\"Eur\u00f3pio<\/p>\n

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

\n

\"It\u00e9rbio<\/p>\n

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

Fonte: www.luciteria.com<\/span><\/p>\n

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

<\/span><\/p>\n

Eur\u00f3pio e It\u00e9rbio – Aplica\u00e7\u00f5es<\/span><\/h2>\n<\/div><\/div>\n
\n
\n
\n

Eur\u00f3pio<\/span><\/a><\/h3>\n

O eur\u00f3pio \u00e9 usado na impress\u00e3o de notas de euro.\u00a0Ele brilha em vermelho sob luz UV, e falsifica\u00e7\u00f5es podem ser detectadas pela falta desse brilho vermelho.\u00a0\u00c9 um dopante em alguns tipos de vidro em lasers e outros dispositivos optoeletr\u00f4nicos.\u00a0Como os is\u00f3topos de eur\u00f3pio atuam como bons absorvedores de n\u00eautrons, eles est\u00e3o sendo estudados para uso em aplica\u00e7\u00f5es de controle nuclear, como em absorvedores inciner\u00e1veis.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

It\u00e9rbio<\/span><\/a><\/h3>\n

O it\u00e9rbio est\u00e1 come\u00e7ando a encontrar uma variedade de usos, como em dispositivos de mem\u00f3ria e lasers sintoniz\u00e1veis.\u00a0Tamb\u00e9m pode ser usado como catalisador industrial e est\u00e1 sendo cada vez mais usado para substituir outros catalisadores considerados muito t\u00f3xicos e poluentes.\u00a0Uma pequena quantidade de it\u00e9rbio \u00e9 usada para adicionar resist\u00eancia a tipos espec\u00edficos de a\u00e7o.\u00a0O it\u00e9rbio tamb\u00e9m pode ser usado como dopante para ajudar a melhorar o refinamento do gr\u00e3o, a resist\u00eancia e outras propriedades mec\u00e2nicas do a\u00e7o inoxid\u00e1vel.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Eur\u00f3pio e It\u00e9rbio – Compara\u00e7\u00e3o na Tabela<\/span><\/h2>\n

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

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Elemento<\/span><\/td>\nEur\u00f3pio<\/span><\/b><\/td>\nIt\u00e9rbio<\/span><\/b><\/td>\n<\/tr>\n
Densidade<\/span><\/td>\n5,244 g\/cm3<\/sup><\/span><\/strong><\/td>\n6,57 g\/cm3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n120 MPa<\/span><\/strong><\/td>\n69 MPa<\/span><\/strong><\/td>\n<\/tr>\n
For\u00e7a de rendimento<\/span><\/td>\n60 MPa<\/span><\/strong><\/td>\n66 MPa<\/span><\/strong><\/td>\n<\/tr>\n
M\u00f3dulo de elasticidade de Young<\/span><\/td>\n18,2 GPa<\/span><\/strong><\/td>\n23,9 GPa<\/span><\/strong><\/td>\n<\/tr>\n
Escala de Mohs<\/span><\/td>\nN \/ D<\/span><\/strong><\/td>\nN \/ D<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Brinell<\/span><\/td>\nN \/ D<\/span><\/strong><\/td>\n340 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Vickers<\/span><\/td>\n170 MPa<\/span><\/strong><\/td>\n210 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de fus\u00e3o<\/span><\/td>\n822 \u00b0C<\/span><\/strong><\/td>\n819 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de ebuli\u00e7\u00e3o<\/span><\/td>\n1529 \u00b0C<\/span><\/strong><\/td>\n1196 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Condutividade t\u00e9rmica<\/span><\/td>\n14 W\/mK<\/span><\/strong><\/td>\n39 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Coeficiente de Expans\u00e3o T\u00e9rmica<\/span><\/td>\n35 \u00b5m\/mK<\/span><\/strong><\/td>\n26,3 \u00b5m\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Calor espec\u00edfico<\/span><\/td>\n0,18 J\/gK<\/span><\/span><\/strong><\/td>\n0,15 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n
Calor de fus\u00e3o<\/span><\/td>\n9,21 kJ\/mol<\/span><\/strong><\/td>\n7,66 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n
Calor da vaporiza\u00e7\u00e3o<\/span><\/td>\n143,5 kJ\/mol<\/span><\/span><\/strong><\/td>\n128,9 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de eur\u00f3pio e it\u00e9rbio, dois elementos qu\u00edmicos compar\u00e1veis \u200b\u200bda tabela peri\u00f3dica.\u00a0Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos.\u00a0Eur\u00f3pio vs. It\u00e9rbio. Fonte: 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":"\nEur\u00f3pio e It\u00e9rbio - Compara\u00e7\u00e3o - Propriedades - Material Properties<\/title>\n<meta name=\"description\" content=\"Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de eur\u00f3pio e it\u00e9rbio, dois elementos qu\u00edmicos compar\u00e1veis da tabela peri\u00f3dica. Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos. Eur\u00f3pio vs It\u00e9rbio.\" \/>\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\/pt-br\/europio-e-iterbio-comparacao-propriedades\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Eur\u00f3pio e It\u00e9rbio - Compara\u00e7\u00e3o - Propriedades - Material Properties\" \/>\n<meta property=\"og:description\" content=\"Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de eur\u00f3pio e it\u00e9rbio, dois elementos qu\u00edmicos compar\u00e1veis da tabela peri\u00f3dica. Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos. 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