{"id":17642,"date":"2020-06-16T15:48:05","date_gmt":"2020-06-16T15:48:05","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-espectroscopia-espectrometria-diferenca-distincao-definicao\/"},"modified":"2020-07-21T15:20:28","modified_gmt":"2020-07-21T15:20:28","slug":"o-que-e-espectroscopia-espectrometria-diferenca-distincao-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-espectroscopia-espectrometria-diferenca-distincao-definicao\/","title":{"rendered":"O que \u00e9 espectroscopia &#8211; espectrometria &#8211; diferen\u00e7a &#8211; distin\u00e7\u00e3o &#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\">Em geral, a espectroscopia \u00e9 a ci\u00eancia do estudo da intera\u00e7\u00e3o entre mat\u00e9ria e energia irradiada, enquanto a espectrometria \u00e9 o m\u00e9todo usado para adquirir uma medida quantitativa do espectro.\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>Em geral, a\u00a0<strong>espectroscopia<\/strong>\u00a0\u00e9 a ci\u00eancia do estudo da intera\u00e7\u00e3o entre mat\u00e9ria e energia irradiada, enquanto a\u00a0<strong>espectrometria<\/strong>\u00a0\u00e9 o m\u00e9todo usado para adquirir uma medida quantitativa do espectro.\u00a0<strong>A espectroscopia<\/strong>\u00a0(scopy significa\u00a0<em>observa\u00e7\u00e3o<\/em>\u00a0) n\u00e3o gera nenhum resultado.\u00a0\u00c9 a abordagem te\u00f3rica da ci\u00eancia.\u00a0<strong>A espectrometria<\/strong>\u00a0(\u00a0<em>medi\u00e7\u00e3o de<\/em>\u00a0meios de\u00a0<em>medi\u00e7\u00e3o<\/em>\u00a0) \u00e9 a aplica\u00e7\u00e3o pr\u00e1tica em que os resultados s\u00e3o gerados.\u00a0\u00c9 a medida da intensidade da radia\u00e7\u00e3o usando um dispositivo eletr\u00f4nico.\u00a0Frequentemente, esses termos s\u00e3o usados \u200b\u200bde forma intercambi\u00e1vel, mas toda espectrometria n\u00e3o \u00e9 espectroscopia (por exemplo, espectrometria de massa vs.<del>espectroscopia de massa<\/del>)<\/p>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\">Distin\u00e7\u00e3o entre raios X e raios gama<\/div>\n<div class=\"su-spoiler-content su-u-clearfix su-u-trim\"><\/div>\n<\/div>\n<h2>Espectroscopia gama<\/h2>\n<figure id=\"attachment_26104\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-26104\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Gamma-Spectroscopy-principles.png\"><img loading=\"lazy\" class=\"wp-image-26104 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Gamma-Spectroscopy-principles.png\" alt=\"\" width=\"462\" height=\"324\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Gamma-Spectroscopy-principles.png\" \/><\/a><figcaption id=\"caption-attachment-26104\" class=\"wp-caption-text\">Fonte: wikipedia.org Licen\u00e7a: Dom\u00ednio P\u00fablico<\/figcaption><\/figure>\n<p>Em geral,\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-detection\/gamma-spectroscopy\/\"><strong>a espectroscopia gama<\/strong><\/a>\u00a0\u00e9 o estudo dos espectros de energia de fontes de raios gama, como na ind\u00fastria nuclear, investiga\u00e7\u00e3o geoqu\u00edmica e astrof\u00edsica.\u00a0Espectrosc\u00f3pios, ou espectr\u00f4metros, s\u00e3o dispositivos sofisticados projetados para medir a distribui\u00e7\u00e3o espectral de pot\u00eancia de uma fonte.\u00a0A radia\u00e7\u00e3o incidente gera um sinal que permite determinar a energia da part\u00edcula incidente.<\/p>\n<p>A maioria das\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/sources-of-radiation\/\">fontes radioativas<\/a>\u00a0produz\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/gamma-ray\/\">raios gama<\/a>\u00a0, que s\u00e3o de v\u00e1rias energias e intensidades.\u00a0Os raios gama frequentemente\u00a0\u00a0<strong>acompanham a emiss\u00e3o<\/strong>\u00a0\u00a0de\u00a0\u00a0<a title=\"Part\u00edcula Beta\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/beta-particle\/\">radia\u00e7\u00e3o\u00a0<\/a><a title=\"Alpha Particle\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/alpha-particle\/\">alfa\u00a0<\/a>\u00a0e\u00a0\u00a0<a title=\"Part\u00edcula Beta\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/beta-particle\/\">beta<\/a>\u00a0.\u00a0Quando essas emiss\u00f5es s\u00e3o detectadas e analisadas com um sistema de espectroscopia, um\u00a0<strong>espectro de energia de raios gama<\/strong>\u00a0pode ser produzido.\u00a0<strong>Raios gama<\/strong>\u00a0de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/\">decaimento radioativo<\/a>est\u00e3o na faixa de energia de alguns keV a ~ 8 MeV, correspondendo aos n\u00edveis t\u00edpicos de energia nos n\u00facleos com vida \u00fatil razoavelmente longa.\u00a0Como foi escrito, eles s\u00e3o produzidos pela decomposi\u00e7\u00e3o dos n\u00facleos \u00e0 medida que passam de um estado de alta energia para um estado inferior.\u00a0Uma an\u00e1lise detalhada desse espectro \u00e9 normalmente usada para determinar a\u00a0<strong>identidade<\/strong>\u00a0e a\u00a0<strong>quantidade<\/strong>\u00a0de emissores gama presentes em uma amostra e \u00e9 uma ferramenta vital no ensaio radiom\u00e9trico.\u00a0O espectro gama \u00e9 caracter\u00edstico dos nucl\u00eddeos emissores gama contidos na fonte.<\/p>\n<h2>Espectroscopia de Raios-X<\/h2>\n<p>A espectroscopia de raios-X \u00e9 um termo geral para v\u00e1rias t\u00e9cnicas espectrosc\u00f3picas para caracteriza\u00e7\u00e3o de materiais usando excita\u00e7\u00e3o de raios-x.\u00a0Quando um el\u00e9tron da camada interna de um \u00e1tomo \u00e9 excitado pela energia de um f\u00f3ton, ele se move para um n\u00edvel de energia mais alto.\u00a0Como o processo deixa uma\u00a0\u00a0<strong>lacuna<\/strong>\u00a0\u00a0no n\u00edvel de energia eletr\u00f4nica de onde o el\u00e9tron veio, os el\u00e9trons externos do \u00e1tomo\u00a0\u00a0<strong>caem em cascata<\/strong>\u00a0\u00a0para preencher os n\u00edveis at\u00f4micos mais baixos e um ou mais\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radiation\/x-rays-roentgen-radiation\/characteristics-of-x-rays-radiation\/\"><strong>raios-X caracter\u00edsticos<\/strong><\/a>\u00a0geralmente s\u00e3o emitidos.\u00a0Como resultado, picos de intensidade acentuados aparecem no espectro em comprimentos de onda que s\u00e3o uma caracter\u00edstica do material a partir do qual o alvo do \u00e2nodo \u00e9 feito.\u00a0As frequ\u00eancias dos raios X caracter\u00edsticos podem ser previstas a partir do modelo de Bohr.\u00a0A an\u00e1lise do espectro de emiss\u00e3o de raios-X produz resultados qualitativos sobre a composi\u00e7\u00e3o elementar da amostra.<\/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>Em geral, a espectroscopia \u00e9 a ci\u00eancia do estudo da intera\u00e7\u00e3o entre mat\u00e9ria e energia irradiada, enquanto a espectrometria \u00e9 o m\u00e9todo usado para adquirir uma medida quantitativa do espectro.\u00a0Dosimetria de Radia\u00e7\u00e3o Em geral, a\u00a0espectroscopia\u00a0\u00e9 a ci\u00eancia do estudo da intera\u00e7\u00e3o entre mat\u00e9ria e energia irradiada, enquanto a\u00a0espectrometria\u00a0\u00e9 o m\u00e9todo usado para adquirir uma medida &#8230; <a title=\"O que \u00e9 espectroscopia &#8211; espectrometria &#8211; diferen\u00e7a &#8211; distin\u00e7\u00e3o &#8211; defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-espectroscopia-espectrometria-diferenca-distincao-definicao\/\" aria-label=\"More on O que \u00e9 espectroscopia &#8211; espectrometria &#8211; diferen\u00e7a &#8211; distin\u00e7\u00e3o &#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 espectroscopia - espectrometria - diferen\u00e7a - distin\u00e7\u00e3o - defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Em geral, a espectroscopia \u00e9 a ci\u00eancia do estudo da intera\u00e7\u00e3o entre a mat\u00e9ria e a energia irradiada, enquanto a espectrometria \u00e9 o m\u00e9todo usado para adquirir uma medida quantitativa do espectro. 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