{"id":117344,"date":"2022-09-16T11:31:21","date_gmt":"2022-09-16T10:31:21","guid":{"rendered":"https:\/\/material-properties.org\/rubidio-e-estroncio-comparacao-propriedades\/"},"modified":"2022-10-20T08:28:21","modified_gmt":"2022-10-20T07:28:21","slug":"rubidio-e-estroncio-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/rubidio-e-estroncio-comparacao-propriedades\/","title":{"rendered":"Rub\u00eddio e Estr\u00f4ncio &#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 do rub\u00eddio e do estr\u00f4ncio, 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.\u00a0Rub\u00eddio vs. Estr\u00f4ncio.<\/span><\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-107239\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/rubidium-and-strontium-comparison.png\" alt=\"rub\u00eddio e estr\u00f4ncio - compara\u00e7\u00e3o\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/rubidium-and-strontium-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/rubidium-and-strontium-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/rubidium-and-strontium-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>Comparar Rub\u00eddio 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\/Strontium-and-Rubidium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com estr\u00f4ncio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Strontium-properties-price-application-production-150x150.png\" alt=\"Estr\u00f4ncio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Iodine-and-Rubidium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com iodo\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Iodine-properties-price-application-production-150x150.png\" alt=\"Iodo - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Rubidium-and-Caesium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com c\u00e9sio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Caesium-properties-price-application-production-150x150.png\" alt=\"C\u00e9sio - 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>Comparar Estr\u00f4ncio 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\/Rubidium-and-Strontium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Rub\u00eddio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Rubidium-properties-price-application-production-150x150.png\" alt=\"Rub\u00eddio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Strontium-and-Iodine-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com iodo\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Iodine-properties-price-application-production-150x150.png\" alt=\"Iodo - 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<p>re Elementos<\/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<div class=\"sue-icon-text sue-panel-clickable\" data-url=\"https:\/\/material-properties.org\/rubidium-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>Rub\u00eddio<\/span><\/h3>\n<p>O rub\u00eddio \u00e9 um elemento met\u00e1lico macio, branco-prateado, do grupo dos metais alcalinos, com massa at\u00f4mica de 85,4678.\u00a0O rub\u00eddio elementar \u00e9 altamente reativo, com propriedades semelhantes \u00e0s de outros metais alcalinos, incluindo r\u00e1pida oxida\u00e7\u00e3o no ar.<\/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\/strontium-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>Estr\u00f4ncio<\/span><\/h3>\n<p><span>O estr\u00f4ncio \u00e9 um metal alcalino-terroso, o estr\u00f4ncio \u00e9 um elemento met\u00e1lico amarelo-prata-branco macio que \u00e9 altamente reativo quimicamente.<\/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-92494\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Strontium-periodic-table-300x252.png\" alt=\"Estr\u00f4ncio na Tabela Peri\u00f3dica\" width=\"300\" height=\"252\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Strontium-periodic-table-300x252.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Strontium-periodic-table.png 704w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/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-92369\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Iodine-periodic-table-300x273.png\" alt=\"Iodo na Tabela Peri\u00f3dica\" width=\"300\" height=\"273\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Iodine-periodic-table-300x273.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Iodine-periodic-table.png 686w\" 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>Rub\u00eddio e Estr\u00f4ncio &#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\/rubidium-properties-applications-price-production\/\"><span>Rub\u00eddio<\/span><\/a><\/h3>\n<p><span>A propriedade fotoemissiva do rub\u00eddio, que \u00e9 a de uma superf\u00edcie que emite el\u00e9trons livres quando atingida pela radia\u00e7\u00e3o eletromagn\u00e9tica, possibilita as seguintes aplica\u00e7\u00f5es.\u00a0Uma superf\u00edcie fotoemissiva de rub\u00eddio-tel\u00fario \u00e9 usada em c\u00e9lulas fotoel\u00e9tricas, que s\u00e3o incorporadas em uma variedade de dispositivos eletr\u00f4nicos de detec\u00e7\u00e3o e ativa\u00e7\u00e3o.\u00a0\u00c9 sens\u00edvel a um amplo espectro de radia\u00e7\u00e3o desde o ultravioleta m\u00e9dio, passando pelo vis\u00edvel at\u00e9 o infravermelho pr\u00f3ximo.\u00a0Um revestimento de rub\u00eddio-c\u00e9sio-antim\u00f4nio \u00e9 comumente aplicado aos fotoc\u00e1todos de tubos fotomultiplicadores.\u00a0Rub\u00eddio-82 \u00e9 usado para tomografia por emiss\u00e3o de p\u00f3sitrons.<\/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\/strontium-properties-applications-price-production\/\"><span>Estr\u00f4ncio<\/span><\/a><\/h3>\n<p><span>Consumindo 75% da produ\u00e7\u00e3o, o principal uso do estr\u00f4ncio foi em vidro para tubos de raios cat\u00f3dicos de televis\u00e3o em cores.\u00a0O estr\u00f4ncio \u00e9 mais conhecido pelos vermelhos brilhantes que seus sais d\u00e3o a fogos de artif\u00edcio e chamas.\u00a0Tamb\u00e9m \u00e9 usado na produ\u00e7\u00e3o de \u00edm\u00e3s de ferrite e refino de zinco.\u00a0As tintas e pl\u00e1sticos modernos que brilham no escuro cont\u00eam aluminato de estr\u00f4ncio.\u00a0Eles absorvem a luz durante o dia e a liberam lentamente por horas depois.\u00a0O is\u00f3topo Sr90 tem uma meia-vida de 28 anos e \u00e9 um dos conhecidos emissores beta de alta energia.\u00a0Por isso, \u00e9 empregado em sistemas para dispositivos de energia auxiliar nuclear (SNAP), que encontram aplica\u00e7\u00f5es potenciais em esta\u00e7\u00f5es meteorol\u00f3gicas remotas, ve\u00edculos espaciais, b\u00f3ias de navega\u00e7\u00e3o, etc.<\/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>Rub\u00eddio e Estr\u00f4ncio &#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>Rub\u00eddio<\/span><\/b><\/td>\n<td style=\"text-align: center;\"><b><span>Estr\u00f4ncio<\/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>1,532 g\/cm<sup>3<\/sup><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>2,63 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>N\/D<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>N\/D<\/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>N\/D<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>N\/D<\/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>2,4 GPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>15,7 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>0,3<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>1,8<\/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>0,216 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>N\/D<\/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>N\/D<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>N\/D<\/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>39,31 \u00b0C<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>777 \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>688 \u00b0C<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>1382 \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>58,2 W\/mK<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>35,3 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>90 \u00b5m\/mK<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>22,5 \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>0,363 J\/gK<\/span><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>0,3 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>2.192 kJ\/mol<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>8,3 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>72.216 kJ\/mol<\/span><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>144 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 do rub\u00eddio e do estr\u00f4ncio, 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.\u00a0Rub\u00eddio vs. Estr\u00f4ncio. 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>Rub\u00eddio e Estr\u00f4ncio - 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 do rub\u00eddio e do estr\u00f4ncio, 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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