{"id":117323,"date":"2022-09-16T09:20:35","date_gmt":"2022-09-16T08:20:35","guid":{"rendered":"https:\/\/material-properties.org\/platinum-e-gold-comparacao-propriedades\/"},"modified":"2022-10-19T08:20:26","modified_gmt":"2022-10-19T07:20:26","slug":"platinum-e-gold-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/platinum-e-gold-comparacao-propriedades\/","title":{"rendered":"Platinum e Gold &#8211; Compara\u00e7\u00e3o &#8211; Propriedades"},"content":{"rendered":"<p><em><span>Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas da platina e do ouro, 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.\u00a0Platina vs. Ouro.<\/span><\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-107377\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/platinum-and-gold-comparison.png\" alt=\"platina e ouro - compara\u00e7\u00e3o\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/platinum-and-gold-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/platinum-and-gold-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/platinum-and-gold-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>Compare Platina com outro elemento<\/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\/Nickel-and-Platinum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com N\u00edquel\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Nickel-properties-price-application-production-150x150.png\" alt=\"N\u00edquel - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Rhodium-and-Platinum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com R\u00f3dio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Rhodium-properties-price-application-production-150x150.png\" alt=\"Rhodium - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Palladium-and-Platinum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Pal\u00e1dio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Palladium-properties-price-application-production-150x150.png\" alt=\"Pal\u00e1dio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Silver-and-Platinum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Prata\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Silver-properties-price-application-production-150x150.png\" alt=\"Prata - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Tungsten-and-Platinum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Tungst\u00eanio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Tungsten-properties-price-application-production-150x150.png\" alt=\"Tungst\u00eanio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Iridium-and-Platinum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com ir\u00eddio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Iridium-properties-price-application-production-150x150.png\" alt=\"Iridium - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Platinum-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com ouro\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Gold-properties-price-application-production-150x150.png\" alt=\"Ouro - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" 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>Compare Ouro com outro elemento<\/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\/Titanium-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com tit\u00e2nio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Titanium-properties-price-application-production-150x150.png\" alt=\"Tit\u00e2nio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Cobalt-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Cobalto\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Cobalt-properties-price-application-production-150x150.png\" alt=\"Cobalto - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Nickel-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com N\u00edquel\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Nickel-properties-price-application-production-150x150.png\" alt=\"N\u00edquel - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Copper-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com cobre\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Copper-properties-price-application-production-150x150.png\" alt=\"Cobre - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Rhodium-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com R\u00f3dio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Rhodium-properties-price-application-production-150x150.png\" alt=\"Rhodium - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Palladium-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Pal\u00e1dio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Palladium-properties-price-application-production-150x150.png\" alt=\"Pal\u00e1dio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Silver-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Prata\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Silver-properties-price-application-production-150x150.png\" alt=\"Prata - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Tungsten-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Tungst\u00eanio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Tungsten-properties-price-application-production-150x150.png\" alt=\"Tungst\u00eanio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Osmium-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com \u00d3smio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Osmium-properties-price-application-production-150x150.png\" alt=\"\u00d3smio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Iridium-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com ir\u00eddio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Iridium-properties-price-application-production-150x150.png\" alt=\"Iridium - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Platinum-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Platina\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Platinum-properties-price-application-production-150x150.png\" alt=\"Platinum - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Gold-and-Lead-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparar com chumbo\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Lead-properties-price-application-production-150x150.png\" alt=\"Lead - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" 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><span>Platina e Ouro &#8211; Sobre Elementos<\/span><\/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\/platinum-properties-applications-price-production\/\" data-target=\"self\" style=\"min-height:58px;padding-left:72px;color:#000000\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><i class=\"sui sui-info-circle\" style=\"font-size:48px;color:#5dbcd2\"><\/i><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#000000\">\n<h3><span>Platina<\/span><\/h3>\n<p><span>A platina \u00e9 um metal de transi\u00e7\u00e3o denso, male\u00e1vel, d\u00factil, altamente n\u00e3o reativo, precioso, branco prateado.\u00a0A platina \u00e9 um dos metais menos reativos.\u00a0Possui not\u00e1vel resist\u00eancia \u00e0 corros\u00e3o, mesmo em altas temperaturas, sendo, portanto, considerado um metal nobre.\u00a0A platina \u00e9 usada em conversores catal\u00edticos, equipamentos de laborat\u00f3rio, contatos el\u00e9tricos e eletrodos, term\u00f4metros de resist\u00eancia de platina, equipamentos odontol\u00f3gicos e joias.<\/span><\/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\/gold-properties-applications-price-production\/\" data-target=\"self\" style=\"min-height:58px;padding-left:72px;color:#000000\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><i class=\"sui sui-info-circle\" style=\"font-size:48px;color:#5dbcd2\"><\/i><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#000000\">\n<h3><span>Ouro<\/span><\/h3>\n<p><span>O ouro \u00e9 um metal amarelo brilhante, levemente avermelhado, denso, macio, male\u00e1vel e d\u00factil.\u00a0O ouro \u00e9 um metal de transi\u00e7\u00e3o e um elemento do grupo 11.\u00a0\u00c9 um dos elementos qu\u00edmicos menos reativos e \u00e9 s\u00f3lido sob condi\u00e7\u00f5es padr\u00e3o.\u00a0Acredita-se que o ouro tenha sido produzido na nucleoss\u00edntese de supernovas, a partir da colis\u00e3o de estrelas de n\u00eautrons.<\/span><\/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<p><span><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-92444\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Platinum-periodic-table-297x300.png\" alt=\"Platina na Tabela Peri\u00f3dica\" width=\"297\" height=\"300\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Platinum-periodic-table-297x300.png 297w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Platinum-periodic-table.png 443w\" sizes=\"(max-width: 297px) 100vw, 297px\" \/><\/p>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><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-92344\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Gold-periodic-table-300x292.png\" alt=\"Ouro na Tabela Peri\u00f3dica\" width=\"300\" height=\"292\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Gold-periodic-table-300x292.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Gold-periodic-table.png 645w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: left;\"><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p style=\"text-align: center;\"><span>Fonte: www.luciteria.com<\/span><\/p>\n<p><span><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p><span><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\"><\/span><\/p>\n<h2><span>Platina e Ouro &#8211; Aplica\u00e7\u00f5es<\/span><\/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\/platinum-properties-applications-price-production\/\"><span>Platina<\/span><\/a><\/h3>\n<p><span>A platina \u00e9 principalmente um metal industrial.\u00a0\u00c9 um material cr\u00edtico para muitas ind\u00fastrias e \u00e9 considerado um metal estrat\u00e9gico.\u00a0A platina \u00e9 usada como catalisador, a platina \u00e9 encontrada principalmente em conversores catal\u00edticos de ve\u00edculos que reduzem produtos qu\u00edmicos t\u00f3xicos de exaust\u00e3o e tamb\u00e9m em c\u00e9lulas de combust\u00edvel para aumentar a efici\u00eancia.\u00a0O uso mais comum da platina \u00e9 como catalisador em rea\u00e7\u00f5es qu\u00edmicas, muitas vezes como negro de platina.\u00a0Nos conversores catal\u00edticos, a platina permite a combust\u00e3o completa de baixas concentra\u00e7\u00f5es de hidrocarbonetos n\u00e3o queimados do escape em di\u00f3xido de carbono e vapor de \u00e1gua.\u00a0A platina tem sido usada em dispositivos termopares que medem a temperatura com alta precis\u00e3o.\u00a0A platina \u00e9 um componente em revestimentos magn\u00e9ticos para unidades de disco r\u00edgido de alta densidade e alguns dos sistemas de armazenamento \u00f3ptico mais recentes.<\/span><\/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\/gold-properties-applications-price-production\/\"><span>Ouro<\/span><\/a><\/h3>\n<p><span>O ouro \u00e9 amplamente utilizado em joalheria, seja em sua forma pura ou como uma liga.\u00a0Cerca de 75% de todo o ouro produzido \u00e9 usado na ind\u00fastria de joias.\u00a0O ouro puro \u00e9 muito macio para resistir \u00e0s tens\u00f5es aplicadas a muitos itens de joalheria.\u00a0Os artes\u00e3os aprenderam que a liga de ouro com outros metais como cobre, prata e platina aumentaria sua durabilidade.\u00a0O termo &#8216;quilate&#8217; indica a quantidade de ouro presente em uma liga.\u00a024 quilates \u00e9 ouro puro, mas \u00e9 muito macio.\u00a0As ligas de ouro de 18 e 9 quilates s\u00e3o comumente usadas porque s\u00e3o mais dur\u00e1veis.\u00a0A alta maleabilidade, ductilidade, resist\u00eancia \u00e0 corros\u00e3o e a maioria das outras rea\u00e7\u00f5es qu\u00edmicas do ouro e a condutividade da eletricidade levaram ao seu uso cont\u00ednuo em conectores el\u00e9tricos resistentes \u00e0 corros\u00e3o em todos os tipos de dispositivos computadorizados (seu principal uso industrial).\u00a0O ouro tamb\u00e9m \u00e9 usado em blindagem infravermelha,\u00a0produ\u00e7\u00e3o de vidro colorido, folhea\u00e7\u00e3o de ouro e restaura\u00e7\u00e3o de dentes.\u00a0Apenas 10% do consumo mundial de ouro novo produzido vai para a ind\u00fastria, mas, de longe, o uso industrial mais importante para o ouro novo \u00e9 na fabrica\u00e7\u00e3o de conectores el\u00e9tricos livres de corros\u00e3o em computadores e outros dispositivos el\u00e9tricos.<\/span><\/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><span>Platina e Ouro &#8211; Compara\u00e7\u00e3o na Tabela<\/span><\/h2>\n<p><span><\/div><\/div><\/span><\/p>\n<p><span><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;\"><span>Elemento<\/span><\/td>\n<td style=\"text-align: center;\"><b><span>Platina<\/span><\/b><\/td>\n<td style=\"text-align: center;\"><b><span>Ouro<\/span><\/b><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Densidade<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>21,09 g\/cm<sup>3<\/sup><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>19,3 g\/cm<sup>3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>150 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>220 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>For\u00e7a de rendimento<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>70 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>205 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>M\u00f3dulo de elasticidade de Young<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>168 GPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>79 GPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Escala de Mohs<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>3,5<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>2,75<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Dureza Brinell<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>400 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>190 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Dureza Vickers<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>550 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>215 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Ponto de fus\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>1772 \u00b0C<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>1064 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Ponto de ebuli\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>3827 \u00b0C<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>2970 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Condutividade t\u00e9rmica<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>72 W\/mK<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>320 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Coeficiente de Expans\u00e3o T\u00e9rmica<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>8,8 \u00b5m\/mK<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>14,2 \u00b5m\/mK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Calor espec\u00edfico<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\"><span>0,13 J\/gK<\/span><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>0,128 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Calor de fus\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>19,6 kJ\/mol<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>12,55 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Calor da vaporiza\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\"><span>510 kJ\/mol<\/span><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>334,4 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas da platina e do ouro, 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.\u00a0Platina vs. Ouro. Fonte: www.luciteria.com &nbsp;<\/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>Platinum e Gold - 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 da platina e do ouro, 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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