{"id":117333,"date":"2022-09-16T10:22:22","date_gmt":"2022-09-16T09:22:22","guid":{"rendered":"https:\/\/material-properties.org\/rodio-e-paladio-comparacao-propriedades\/"},"modified":"2022-10-19T16:26:04","modified_gmt":"2022-10-19T15:26:04","slug":"rodio-e-paladio-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/rodio-e-paladio-comparacao-propriedades\/","title":{"rendered":"R\u00f3dio e Pal\u00e1dio – 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 pal\u00e1dio, 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. Pal\u00e1dio.<\/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>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Compare Pal\u00e1dio com outro elemento<\/div>
\n
<\/div>\n

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

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

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

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

<\/div>\n
\n

R\u00f3dio e Pal\u00e1dio – 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

Pal\u00e1dio<\/span><\/h3>\n

Pal\u00e1dio, platina, r\u00f3dio, rut\u00eanio, ir\u00eddio e \u00f3smio formam um grupo de elementos denominados metais do grupo da platina (PGMs).\u00a0Estes t\u00eam propriedades qu\u00edmicas semelhantes, mas o pal\u00e1dio tem o ponto de fus\u00e3o mais baixo e \u00e9 o menos denso deles.\u00a0Mais da metade do fornecimento de pal\u00e1dio e seu cong\u00eanere platina \u00e9 usado em conversores catal\u00edticos.<\/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

\"Pal\u00e1dio<\/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 Pal\u00e1dio – 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

Pal\u00e1dio<\/span><\/a><\/h3>\n

Mais da metade do fornecimento de pal\u00e1dio e seu cong\u00eanere platina \u00e9 usado em conversores catal\u00edticos, que convertem at\u00e9 90% dos gases nocivos do escapamento de autom\u00f3veis em subst\u00e2ncias menos nocivas.\u00a0O pal\u00e1dio tamb\u00e9m \u00e9 usado em eletr\u00f4nicos, odontologia, medicina, purifica\u00e7\u00e3o de hidrog\u00eanio, aplica\u00e7\u00f5es qu\u00edmicas, tratamento de \u00e1guas subterr\u00e2neas e joias.\u00a0As ligas \u00e0 base de pal\u00e1dio est\u00e3o sendo amplamente utilizadas em aplica\u00e7\u00f5es de tecnologia de c\u00e9lulas de combust\u00edvel.\u00a0O metal tamb\u00e9m \u00e9 empregado no processo de impress\u00e3o fotogr\u00e1fica hist\u00f3rica.\u00a0O pal\u00e1dio \u00e9 utilizado como metal precioso em joalheria desde 1939 como alternativa \u00e0 platina nas ligas denominadas \u201couro branco\u201d.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

R\u00f3dio e Pal\u00e1dio – 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>\nPal\u00e1dio<\/span><\/b><\/td>\n<\/tr>\n
Densidade<\/span><\/td>\n12,45 g\/cm3<\/sup><\/span><\/strong><\/td>\n12,023 g\/cm3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n950 MPa<\/span><\/strong><\/td>\n135 MPa<\/span><\/strong><\/td>\n<\/tr>\n
For\u00e7a de rendimento<\/span><\/td>\nN\/D<\/span><\/strong><\/td>\n30 MPa<\/span><\/strong><\/td>\n<\/tr>\n
M\u00f3dulo de elasticidade de Young<\/span><\/td>\n380 GPa<\/span><\/strong><\/td>\n121 GPa<\/span><\/strong><\/td>\n<\/tr>\n
Escala de Mohs<\/span><\/td>\n6<\/span><\/strong><\/td>\n4,8<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Brinell<\/span><\/td>\n1100 MPa<\/span><\/strong><\/td>\n320 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Vickers<\/span><\/td>\n1246 MPa<\/span><\/strong><\/td>\n400 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de fus\u00e3o<\/span><\/td>\n1964 \u00b0C<\/span><\/strong><\/td>\n1554,9 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de ebuli\u00e7\u00e3o<\/span><\/td>\n3695 \u00b0C<\/span><\/strong><\/td>\n2963 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Condutividade t\u00e9rmica<\/span><\/td>\n150 W\/mK<\/span><\/strong><\/td>\n72 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Coeficiente de Expans\u00e3o T\u00e9rmica<\/span><\/td>\n8,2 \u00b5m\/mK<\/span><\/strong><\/td>\n11,8 \u00b5m\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Calor espec\u00edfico<\/span><\/td>\n0,242 J\/gK<\/span><\/span><\/strong><\/td>\n0,24 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n
Calor de fus\u00e3o<\/span><\/td>\n21,5 kJ\/mol<\/span><\/strong><\/td>\n17,6 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n
Calor da vaporiza\u00e7\u00e3o<\/span><\/td>\n493 kJ\/mol<\/span><\/span><\/strong><\/td>\n357 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 pal\u00e1dio, 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. Pal\u00e1dio. 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 Pal\u00e1dio - 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 pal\u00e1dio, 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 x Pal\u00e1dio.\" \/>\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-paladio-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 Pal\u00e1dio - 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 pal\u00e1dio, 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 x Pal\u00e1dio.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/pt-br\/rodio-e-paladio-comparacao-propriedades\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-16T09:22:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-10-19T15:26:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/rhodium-and-palladium-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-paladio-comparacao-propriedades\/\",\"url\":\"https:\/\/material-properties.org\/pt-br\/rodio-e-paladio-comparacao-propriedades\/\",\"name\":\"R\u00f3dio e Pal\u00e1dio - Compara\u00e7\u00e3o - Propriedades - Material Properties\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/pt-br\/#website\"},\"datePublished\":\"2022-09-16T09:22:22+00:00\",\"dateModified\":\"2022-10-19T15:26:04+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 pal\u00e1dio, dois elementos qu\u00edmicos compar\u00e1veis da tabela peri\u00f3dica. 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