{"id":209,"date":"2023-06-24T03:21:06","date_gmt":"2023-06-24T03:21:06","guid":{"rendered":"https:\/\/physigeek.com\/pt\/espectrofluorimetro\/"},"modified":"2023-06-24T03:21:06","modified_gmt":"2023-06-24T03:21:06","slug":"espectrofluorimetro","status":"publish","type":"post","link":"https:\/\/physigeek.com\/pt\/espectrofluorimetro\/","title":{"rendered":"Espectrofluor\u00edmetro"},"content":{"rendered":"<p>Este artigo explica o que s\u00e3o espectrofluor\u00f4metros. Assim, voc\u00ea aprender\u00e1 o significado de espectrofluor\u00edmetro, quais s\u00e3o suas partes e como esse tipo de instrumento de laborat\u00f3rio \u00e9 utilizado. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-un-espectrofluorimetro\"><\/span> O que \u00e9 um espectrofluor\u00f4metro?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> O <strong>espectrofluor\u00edmetro<\/strong> (ou <strong>espectrofluor\u00edmetro<\/strong> ) \u00e9 um instrumento que permite determinar a concentra\u00e7\u00e3o de determinados compostos qu\u00edmicos atrav\u00e9s de suas propriedades fluorescentes.<\/p>\n<p> Por exemplo, o espectrofluor\u00f4metro permite medir uma cor e determinar sua composi\u00e7\u00e3o.<\/p>\n<p> Assim, o espectrofluor\u00edmetro \u00e9 utilizado na espectroscopia de fluoresc\u00eancia, que \u00e9 o ramo da ci\u00eancia que estuda a rela\u00e7\u00e3o entre radia\u00e7\u00e3o eletromagn\u00e9tica e fluoresc\u00eancia.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Partes-de-un-espectrofluorimetro\"><\/span> Partes de um espectrofluor\u00f4metro<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Os componentes de um espectrofluor\u00f4metro s\u00e3o:<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:20px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Fonte de luz<\/strong> : Este \u00e9 um feixe de luz est\u00e1vel que ilumina a amostra, o espectrofluor\u00f4metro ir\u00e1 ent\u00e3o analisar a luz absorvida pela amostra.<\/span><\/li>\n<li style=\"margin-bottom:20px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Monocromador<\/strong> : utilizado para obter luz monocrom\u00e1tica. A fun\u00e7\u00e3o do monocromador \u00e9 isolar a radia\u00e7\u00e3o incidente ou refletida do comprimento de onda desejado. Assim, o monocromador separa o feixe de luz por comprimentos de onda e direciona o comprimento de onda desejado. Normalmente, um espectrofluor\u00f4metro possui dois monocromadores, um para a excita\u00e7\u00e3o da amostra e outro para as emiss\u00f5es produzidas pela fluoresc\u00eancia da amostra.<\/span><\/li>\n<li style=\"margin-bottom:20px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Compartimento de amostras<\/strong> : \u00e9 o local onde dever\u00e1 ser colocada a amostra a ser analisada.<\/span><\/li>\n<li style=\"margin-bottom:20px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Detector<\/strong> : \u00e9 a parte que capta a radia\u00e7\u00e3o eletromagn\u00e9tica emitida pela amostra para sua an\u00e1lise. A grande maioria dos espectrofluor\u00f4metros usa tubos fotomultiplicadores como detectores.<\/span><\/li>\n<li> <span style=\"color:#101010;font-weight: normal;\"><strong>Dispositivo de sa\u00edda<\/strong> \u2013 Normalmente, o espectrofluor\u00edmetro exibe o valor da medi\u00e7\u00e3o em um display digital. Al\u00e9m disso, a maioria dos espectrofluor\u00f4metros modernos inclui a capacidade de conectar o dispositivo a uma impressora ou computador para processar os dados.<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como-funciona-un-espectrofluorimetro\"><\/span> Como funciona um espectrofluor\u00f4metro<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> A opera\u00e7\u00e3o de um espectrofluor\u00f4metro \u00e9 a seguinte:<\/p>\n<ol style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Calibre o espectrofluor\u00f4metro.<\/strong> Normalmente, o fabricante fornece uma amostra com a qual pode ser realizada a calibra\u00e7\u00e3o do espectrofluor\u00f4metro. Dependendo das caracter\u00edsticas do espectrofluor\u00f4metro, ele pode ser calibrado em intervalos regulares, embora seja recomendado calibr\u00e1-lo antes de cada medi\u00e7\u00e3o para garantir que a medi\u00e7\u00e3o esteja correta.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Limpe a amostra a ser estudada.<\/strong> Para evitar que sujeira interfira na medi\u00e7\u00e3o, a amostra deve ser limpa antes da an\u00e1lise.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Introduza a amostra no espectrofluor\u00f4metro.<\/strong> Ou seja, coloque a amostra dentro do espectrofluor\u00f4metro e feche a tampa.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>O espectrofluor\u00f4metro analisar\u00e1 a amostra.<\/strong> Damos algum tempo ao espectrofluor\u00f4metro para analisar a amostra e ele ent\u00e3o fornecer\u00e1 o valor medido.<\/span><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Este artigo explica o que s\u00e3o espectrofluor\u00f4metros. Assim, voc\u00ea aprender\u00e1 o significado de espectrofluor\u00edmetro, quais s\u00e3o suas partes e como esse tipo de instrumento de laborat\u00f3rio \u00e9 utilizado. O que \u00e9 um espectrofluor\u00f4metro? O espectrofluor\u00edmetro (ou espectrofluor\u00edmetro ) \u00e9 um instrumento que permite determinar a concentra\u00e7\u00e3o de determinados compostos qu\u00edmicos atrav\u00e9s de suas propriedades fluorescentes. &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/pt\/espectrofluorimetro\/\"> <span class=\"screen-reader-text\">Espectrofluor\u00edmetro<\/span> Leia mais &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-209","post","type-post","status-publish","format-standard","hentry","category-laboratorio"],"yoast_head":"<!-- This site is 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