{"id":117330,"date":"2022-09-16T10:03:49","date_gmt":"2022-09-16T09:03:49","guid":{"rendered":"https:\/\/material-properties.org\/rodio-e-iridio-comparacao-propriedades\/"},"modified":"2022-10-19T12:20:38","modified_gmt":"2022-10-19T11:20:38","slug":"rodio-e-iridio-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/rodio-e-iridio-comparacao-propriedades\/","title":{"rendered":"R\u00f3dio e Ir\u00eddio – Compara\u00e7\u00e3o – Propriedades"},"content":{"rendered":"

Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de r\u00f3dio e ir\u00eddio, 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.\u00a0R\u00f3dio vs. Ir\u00eddio.<\/span><\/em><\/p>\n

\"r\u00f3dio<\/p>\n

\n
<\/span>Comparar R\u00f3dio com outro elemento<\/div>
\n
<\/div>\n

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

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

\"Pal\u00e1dio<\/a><\/p>\n

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

\"R\u00eanio<\/a><\/p>\n

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

\n
<\/span>Compare Ir\u00eddio com outro elemento<\/div>
\n
<\/div>\n

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

\"Tungst\u00eanio<\/a><\/p>\n

\"\u00d3smio<\/a><\/p>\n

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

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

<\/div>\n
\n

R\u00f3dio e Ir\u00eddio – Sobre Elementos<\/span><\/h2>\n<\/div><\/div>\n
\n
<\/i><\/div>
\n

R\u00f3dio<\/span><\/h3>\n

O r\u00f3dio \u00e9 um metal de transi\u00e7\u00e3o raro, branco prateado, duro, resistente \u00e0 corros\u00e3o e quimicamente inerte.\u00a0\u00c9 um metal nobre e membro do grupo da platina.<\/span><\/p>\n<\/div>

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

Ir\u00eddio<\/span><\/h3>\n

O ir\u00eddio \u00e9 um metal de transi\u00e7\u00e3o branco-prateado muito duro, quebradi\u00e7o do grupo da platina, o ir\u00eddio \u00e9 geralmente creditado como o segundo elemento mais denso (depois do \u00f3smio).\u00a0\u00c9 tamb\u00e9m o metal mais resistente \u00e0 corros\u00e3o, mesmo em temperaturas de at\u00e9 2000 \u00b0C.<\/span><\/p>\n<\/div>

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

\n

\"R\u00f3dio<\/p>\n

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

\n

\"Ir\u00eddio<\/p>\n

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

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

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

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

R\u00f3dio e Ir\u00eddio – Aplica\u00e7\u00f5es<\/span><\/h2>\n<\/div><\/div>\n
\n
\n
\n

R\u00f3dio<\/span><\/a><\/h3>\n

O principal uso do elemento (aproximadamente 80% da produ\u00e7\u00e3o mundial de r\u00f3dio) \u00e9 como um dos catalisadores nos conversores catal\u00edticos de tr\u00eas vias em autom\u00f3veis.\u00a0Como o metal r\u00f3dio \u00e9 inerte contra a corros\u00e3o e a maioria dos produtos qu\u00edmicos agressivos, e devido \u00e0 sua raridade, o r\u00f3dio \u00e9 geralmente ligado com platina ou pal\u00e1dio e aplicado em revestimentos resistentes \u00e0 corros\u00e3o e de alta temperatura.\u00a0Em reatores nucleares, detectores \u00e0 base de r\u00f3dio s\u00e3o frequentemente usados \u200b\u200bpara medi\u00e7\u00e3o de fluxo de n\u00eautrons no n\u00facleo.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Ir\u00eddio<\/span><\/a><\/h3>\n

O ir\u00eddio \u00e9 consumido principalmente pelas ind\u00fastrias automotiva, eletr\u00f4nica e qu\u00edmica.\u00a0O ir\u00eddio met\u00e1lico \u00e9 empregado quando \u00e9 necess\u00e1ria alta resist\u00eancia \u00e0 corros\u00e3o em altas temperaturas, como em velas de igni\u00e7\u00e3o de alto desempenho, cadinhos para recristaliza\u00e7\u00e3o de semicondutores em altas temperaturas e eletrodos para a produ\u00e7\u00e3o de cloro no processo cloro\u00e1lcali.\u00a0A demanda por ir\u00eddio aumentou de 2,5 toneladas em 2009 para 10,4 toneladas em 2010, principalmente por causa de aplica\u00e7\u00f5es relacionadas \u00e0 eletr\u00f4nica que viram um aumento de 0,2 para 6 toneladas \u2013 os cadinhos de ir\u00eddio s\u00e3o comumente usados \u200b\u200bpara o cultivo de grandes cristais \u00fanicos de alta qualidade, cuja demanda aumentou acentuadamente.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

R\u00f3dio e Ir\u00eddio – 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>\nR\u00f3dio<\/span><\/b><\/td>\nIr\u00eddio<\/span><\/b><\/td>\n<\/tr>\n
Densidade<\/span><\/td>\n12,45 g\/cm3<\/sup><\/span><\/strong><\/td>\n22,65 g\/cm3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n950 MPa<\/span><\/strong><\/td>\n2000 MPa<\/span><\/strong><\/td>\n<\/tr>\n
For\u00e7a de rendimento<\/span><\/td>\nN\/D<\/span><\/strong><\/td>\nN\/D<\/span><\/strong><\/td>\n<\/tr>\n
M\u00f3dulo de elasticidade de Young<\/span><\/td>\n380 GPa<\/span><\/strong><\/td>\n528 GPa<\/span><\/strong><\/td>\n<\/tr>\n
Escala de Mohs<\/span><\/td>\n6<\/span><\/strong><\/td>\n6,25<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Brinell<\/span><\/td>\n1100 MPa<\/span><\/strong><\/td>\n1670 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Vickers<\/span><\/td>\n1246 MPa<\/span><\/strong><\/td>\n1760 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de fus\u00e3o<\/span><\/td>\n1964 \u00b0C<\/span><\/strong><\/td>\n2410 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de ebuli\u00e7\u00e3o<\/span><\/td>\n3695 \u00b0C<\/span><\/strong><\/td>\n4130 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Condutividade t\u00e9rmica<\/span><\/td>\n150 W\/mK<\/span><\/strong><\/td>\n150 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Coeficiente de Expans\u00e3o T\u00e9rmica<\/span><\/td>\n8,2 \u00b5m\/mK<\/span><\/strong><\/td>\n6,4 \u00b5m\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Calor espec\u00edfico<\/span><\/td>\n0,242 J\/gK<\/span><\/span><\/strong><\/td>\n0,13 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n
Calor de fus\u00e3o<\/span><\/td>\n21,5 kJ\/mol<\/span><\/strong><\/td>\n26,1 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n
Calor da vaporiza\u00e7\u00e3o<\/span><\/td>\n493 kJ\/mol<\/span><\/span><\/strong><\/td>\n604 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 r\u00f3dio e ir\u00eddio, 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.\u00a0R\u00f3dio vs. Ir\u00eddio. 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":"\nR\u00f3dio e Ir\u00eddio - 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 r\u00f3dio e ir\u00eddio, 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. R\u00f3dio vs Ir\u00eddio.\" \/>\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\/rodio-e-iridio-comparacao-propriedades\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00f3dio e Ir\u00eddio - 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 r\u00f3dio e ir\u00eddio, 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. R\u00f3dio vs Ir\u00eddio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/pt-br\/rodio-e-iridio-comparacao-propriedades\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-16T09:03:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-10-19T11:20:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/rhodium-and-iridium-comparison.png\" \/>\n<meta name=\"author\" content=\"Nick Connor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/material-properties.org\/pt-br\/rodio-e-iridio-comparacao-propriedades\/\",\"url\":\"https:\/\/material-properties.org\/pt-br\/rodio-e-iridio-comparacao-propriedades\/\",\"name\":\"R\u00f3dio e Ir\u00eddio - Compara\u00e7\u00e3o - Propriedades - Material Properties\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/pt-br\/#website\"},\"datePublished\":\"2022-09-16T09:03:49+00:00\",\"dateModified\":\"2022-10-19T11:20:38+00:00\",\"author\":{\"@id\":\"https:\/\/material-properties.org\/pt-br\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de r\u00f3dio e ir\u00eddio, dois elementos qu\u00edmicos compar\u00e1veis da tabela peri\u00f3dica. 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