{"id":17859,"date":"2020-06-22T17:27:35","date_gmt":"2020-06-22T17:27:35","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-o-radon-220-thoron-radiacao-dose-definicao\/"},"modified":"2020-07-22T10:53:10","modified_gmt":"2020-07-22T10:53:10","slug":"o-que-e-o-radon-220-thoron-radiacao-dose-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-o-radon-220-thoron-radiacao-dose-definicao\/","title":{"rendered":"O que \u00e9 o Radon-220 &#8211; Thoron &#8211; Radia\u00e7\u00e3o &#8211; Dose &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">Radon-220 \u00e9 um radiois\u00f3topo de rad\u00f4nio.\u00a0O rad\u00f4nio-220 \u00e9 comumente referido como t\u00f3rio, pois \u00e9 um produto natural de decomposi\u00e7\u00e3o do is\u00f3topo de t\u00f3rio mais est\u00e1vel (t\u00f3rio-232).\u00a0Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<p><strong>Radon-220<\/strong>\u00a0\u00e9 um radiois\u00f3topo de rad\u00f4nio.\u00a0O rad\u00f4nio-220 \u00e9 comumente referido como\u00a0<strong>t\u00f3rio<\/strong>\u00a0, pois \u00e9 um produto natural de decomposi\u00e7\u00e3o do is\u00f3topo de t\u00f3rio mais est\u00e1vel (\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/thorium\/\">t\u00f3rio-232<\/a>\u00a0).\u00a0Radon-220 \u00e9 um membro da\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/thorium-series\/\">s\u00e9rie<\/a>\u00a0de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/thorium-series\/\">t\u00f3rio<\/a>\u00a0.<\/p>\n<p>Todos os is\u00f3topos de rad\u00f4nio s\u00e3o\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/\">radioativos<\/a>\u00a0, mas os dois is\u00f3topos de\u00a0<strong>rad\u00f4nio, rad\u00f4nio-222<\/strong>\u00a0e\u00a0<strong>rad\u00e3o-220,<\/strong>\u00a0s\u00e3o muito importantes do ponto de vista da prote\u00e7\u00e3o contra radia\u00e7\u00e3o.<\/p>\n<ul>\n<li>\n<figure id=\"attachment_25771\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-25771\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/radon-and-thoron.png\"><img loading=\"lazy\" class=\"size-medium wp-image-25771 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/radon-and-thoron-300x300.png\" alt=\"r\u00e1don e toro\" width=\"300\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/radon-and-thoron-300x300.png\" \/><\/a><figcaption id=\"caption-attachment-25771\" class=\"wp-caption-text\">Fonte: JANIS (Software de Informa\u00e7\u00e3o de Dados Nucleares baseado em Java);\u00a0ENDF \/ B-VII.1<\/figcaption><\/figure>\n<p><strong>Rad\u00e3o-222<\/strong>\u00a0.\u00a0O is\u00f3topo de rad\u00f4nio-222 \u00e9 um produto natural de decomposi\u00e7\u00e3o do is\u00f3topo de ur\u00e2nio mais est\u00e1vel (ur\u00e2nio-238), portanto \u00e9 um membro da\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/uranium-series\/\">s\u00e9rie<\/a>\u00a0de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/uranium-series\/\">ur\u00e2nio<\/a>\u00a0.<\/li>\n<li><strong>Rad\u00e3o-220<\/strong>\u00a0.\u00a0O is\u00f3topo do rad\u00f4nio-220, geralmente chamado de\u00a0<strong>t\u00f3rio<\/strong>\u00a0, \u00e9 um produto natural de decomposi\u00e7\u00e3o do is\u00f3topo de t\u00f3rio mais est\u00e1vel (\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/thorium\/\">t\u00f3rio-232<\/a>\u00a0), portanto, \u00e9 um membro da\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/thorium-series\/\">s\u00e9rie<\/a>\u00a0de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/thorium-series\/\">t\u00f3rio<\/a>\u00a0.<\/li>\n<\/ul>\n<p>\u00c9 importante notar que o r\u00e1don \u00e9 um\u00a0<strong>g\u00e1s nobre<\/strong>\u00a0, enquanto todos os seus produtos de decomposi\u00e7\u00e3o s\u00e3o\u00a0<strong>metais<\/strong>\u00a0.\u00a0O principal mecanismo para a entrada de r\u00e1don na atmosfera \u00e9 a\u00a0<strong>difus\u00e3o atrav\u00e9s do solo<\/strong>\u00a0.\u00a0Como g\u00e1s, o r\u00e1don difunde-se atrav\u00e9s das rochas e do solo.\u00a0Quando o r\u00e1don se desintegra, os is\u00f3topos met\u00e1licos filhas s\u00e3o \u00edons que ser\u00e3o ligados a outras mol\u00e9culas como a \u00e1gua e as part\u00edculas de aerossol no ar.\u00a0Portanto, todas as discuss\u00f5es sobre as concentra\u00e7\u00f5es de rad\u00f4nio no ambiente se referem ao\u00a0<strong>rad\u00f4nio-222<\/strong>.\u00a0Enquanto a taxa m\u00e9dia de produ\u00e7\u00e3o de r\u00e1don-220 (thoron) \u00e9 aproximadamente a mesma do r\u00e1don-222, a quantidade de r\u00e1don-220 no ambiente \u00e9 muito menor que a do r\u00e1don-222 devido \u00e0 meia-vida significativamente mais curta ( tem menos tempo para difundir) o r\u00e1don 222 (55 segundos, contra 3,8 dias, respectivamente).\u00a0Simplesmente o rad\u00f4nio-220 tem menor chance de escapar da rocha.<\/p>\n<p>Veja tamb\u00e9m:\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/sources-of-radiation\/radon-health-effects-health-risks\/\">Radon &#8211; efeitos na sa\u00fade<\/a><\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Radon-220 \u00e9 um radiois\u00f3topo de rad\u00f4nio.\u00a0O rad\u00f4nio-220 \u00e9 comumente referido como t\u00f3rio, pois \u00e9 um produto natural de decomposi\u00e7\u00e3o do is\u00f3topo de t\u00f3rio mais est\u00e1vel (t\u00f3rio-232).\u00a0Dosimetria de Radia\u00e7\u00e3o Radon-220\u00a0\u00e9 um radiois\u00f3topo de rad\u00f4nio.\u00a0O rad\u00f4nio-220 \u00e9 comumente referido como\u00a0t\u00f3rio\u00a0, pois \u00e9 um produto natural de decomposi\u00e7\u00e3o do is\u00f3topo de t\u00f3rio mais est\u00e1vel (\u00a0t\u00f3rio-232\u00a0).\u00a0Radon-220 \u00e9 um membro &#8230; <a title=\"O que \u00e9 o Radon-220 &#8211; Thoron &#8211; Radia\u00e7\u00e3o &#8211; Dose &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-o-radon-220-thoron-radiacao-dose-definicao\/\" aria-label=\"More on O que \u00e9 o Radon-220 &#8211; Thoron &#8211; Radia\u00e7\u00e3o &#8211; Dose &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 o Radon-220 - Thoron - Radia\u00e7\u00e3o - Dose - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Radon-220 \u00e9 um radiois\u00f3topo de rad\u00f4nio. 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