{"id":6091,"date":"2025-07-14T18:02:21","date_gmt":"2025-07-14T10:02:21","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=6091"},"modified":"2025-07-14T18:02:25","modified_gmt":"2025-07-14T10:02:25","slug":"features-of-uv-filtering-quartz-tubes","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/pt\/features-of-uv-filtering-quartz-tubes\/","title":{"rendered":"Carater\u00edsticas dos tubos de quartzo com filtragem UV"},"content":{"rendered":"<p><strong>Tubos de quartzo com filtragem UV<\/strong> s\u00e3o tubos de vidro de quartzo especialmente tratados, concebidos para bloquear seletivamente comprimentos de onda ultravioleta (UV) espec\u00edficos, mantendo uma elevada transpar\u00eancia nas gamas do vis\u00edvel e do infravermelho. As suas principais carater\u00edsticas incluem:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Desempenho de bloqueio de UV<\/h3>\n\n\n\n<p><strong>Comprimento de onda de corte:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Os modelos mais comuns bloqueiam os raios UV abaixo <strong>280 nm (UV-C)<\/strong> ou <strong>320 nm (UV-B)<\/strong>, permitindo a transmiss\u00e3o principalmente acima de <strong>320 nm<\/strong> (UV-A, luz vis\u00edvel e infravermelhos).<\/li>\n\n\n\n<li>Alguns quartzos de elevada pureza (por exemplo, JGS1) transmitem naturalmente UV at\u00e9 <strong>185 nm<\/strong>que requerem dopagem com elementos como <strong>tit\u00e2nio (Ti)<\/strong> ou <strong>c\u00e9rio (Ce)<\/strong> para obter o corte de UV.<\/li>\n<\/ul>\n\n\n\n<p><strong>Efici\u00eancia de filtragem:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Para UV-C (200-280 nm), a efici\u00eancia de filtragem pode atingir <strong>&gt;99%<\/strong> em tubos de quartzo dopados com Ti.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Propriedades \u00f3pticas<\/h3>\n\n\n\n<p><strong>Transmit\u00e2ncia:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gama de luz vis\u00edvel (400-700 nm): <strong>\u226590%<\/strong><\/li>\n\n\n\n<li>Gama de infravermelhos (700-2500 nm): <strong>\u226585%<\/strong><\/li>\n\n\n\n<li>Limite de corte UV acentuado: Por exemplo, a transmit\u00e2ncia pode saltar de 0% a 280 nm para 80% a 300 nm.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u00cdndice de refra\u00e7\u00e3o:<\/strong> 1,458 (@589 nm), igual ao vidro de quartzo normal.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Material e estrutura<\/h3>\n\n\n\n<p><strong>Material da base:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quartzo sint\u00e9tico de elevada pureza (SiO\u2082 \u2265 99,99%) com baixo teor de hidroxilo (&lt;5 ppm) para minimizar a absor\u00e7\u00e3o de IV.<\/li>\n<\/ul>\n\n\n\n<p><strong>Elementos de dopagem:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tit\u00e2nio (Ti), c\u00e9rio (Ce), ferro (Fe), etc., utilizados para ajustar os picos de absor\u00e7\u00e3o UV.<\/li>\n<\/ul>\n\n\n\n<p><strong>Propriedades f\u00edsicas:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Densidade: 2,2 g\/cm\u00b3<\/li>\n\n\n\n<li>Dureza de Mohs: 7<\/li>\n\n\n\n<li>Resist\u00eancia \u00e0 flex\u00e3o: \u226550 MPa<\/li>\n\n\n\n<li>Coeficiente de expans\u00e3o t\u00e9rmica: 5,5\u00d710-\u2077\/\u00b0C (20-300 \u00b0C)<\/li>\n\n\n\n<li>Excelente resist\u00eancia ao choque t\u00e9rmico<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. Durabilidade ambiental<\/h3>\n\n\n\n<p><strong>Resist\u00eancia a altas temperaturas:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utiliza\u00e7\u00e3o cont\u00ednua at\u00e9 <strong>1100 \u00b0C<\/strong>, a curto prazo at\u00e9 <strong>1300 \u00b0C<\/strong> (nota: a dopagem pode reduzir ligeiramente a toler\u00e2ncia t\u00e9rmica).<\/li>\n<\/ul>\n\n\n\n<p><strong>Resist\u00eancia \u00e0 corros\u00e3o:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Resistente aos \u00e1cidos (exceto HF) e ao vapor; os ambientes alcalinos (por exemplo, KOH) podem corroer a superf\u00edcie.<\/li>\n<\/ul>\n\n\n\n<p><strong>Estabilidade \u00e0 radia\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suporta a exposi\u00e7\u00e3o a raios \u03b3 e a raios X sem escurecer; o quartzo dopado com Ce apresenta uma resist\u00eancia superior \u00e0 radia\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. Cen\u00e1rios de aplica\u00e7\u00e3o<\/h3>\n\n\n\n<p><strong>Prote\u00e7\u00e3o UV:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mangas exteriores de prote\u00e7\u00e3o para l\u00e2mpadas germicidas (bloqueiam os UV-C nocivos, permitem os UV-B\/UVA \u00fateis).<\/li>\n\n\n\n<li>Fotolitografia de semicondutores (controlo preciso do comprimento de onda de exposi\u00e7\u00e3o).<\/li>\n<\/ul>\n\n\n\n<p><strong>Dispositivos \u00f3pticos:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Janelas do espetr\u00f3metro, inv\u00f3lucros dos tubos laser (concebidos para bandas de luz espec\u00edficas).<\/li>\n<\/ul>\n\n\n\n<p><strong>Ilumina\u00e7\u00e3o especial:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ilumina\u00e7\u00e3o do aqu\u00e1rio (prote\u00e7\u00e3o UV para a vida aqu\u00e1tica).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6. Precau\u00e7\u00f5es<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Evitar o impacto mec\u00e2nico:<\/strong> O quartzo \u00e9 fr\u00e1gil - a prote\u00e7\u00e3o contra choques \u00e9 essencial durante a instala\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Limpeza:<\/strong> Utilizar \u00e1lcool ou \u00e1gua desionizada; evitar objectos duros.<\/li>\n\n\n\n<li><strong>Vida \u00fatil:<\/strong> A exposi\u00e7\u00e3o prolongada ao calor e aos raios UV pode causar uma degrada\u00e7\u00e3o lenta devido \u00e0 migra\u00e7\u00e3o de dopantes.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Compara\u00e7\u00e3o: Tubo de Quartzo com Filtragem UV vs. Tubo de Quartzo Padr\u00e3o<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Carater\u00edstica<\/th><th>Tubo de quartzo com filtragem UV<\/th><th>Tubo de quartzo padr\u00e3o<\/th><\/tr><\/thead><tbody><tr><td>Transmit\u00e2ncia UV (&lt;300 nm)<\/td><td>&lt;1%<\/td><td>&gt;90% (por exemplo, JGS1)<\/td><\/tr><tr><td>Elementos de dopagem<\/td><td>Ti\/Ce\/Fe<\/td><td>Nenhum<\/td><\/tr><tr><td>Custo<\/td><td>Superior (+30-50%)<\/td><td>Inferior<\/td><\/tr><tr><td>Aplica\u00e7\u00e3o<\/td><td>Ambientes que requerem um controlo preciso dos raios UV<\/td><td>Transmiss\u00e3o UV\/vis\u00edvel de largo espetro<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Precisa de um modelo espec\u00edfico?<\/strong> Forne\u00e7a o comprimento de onda de corte UV necess\u00e1rio e a curva de transmiss\u00e3o para uma correspond\u00eancia exacta.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>UV-filtering quartz tubes are specially treated quartz glass tubes designed to selectively block specific ultraviolet (UV) wavelengths while maintaining high transparency in the visible and infrared ranges. Their key characteristics include: 1. UV Blocking Performance Cut-off Wavelength: Filtering Efficiency: 2. Optical Properties Transmittance: Refractive Index: 1.458 (@589\u202fnm), same as standard quartz glass. 3. Material and [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":6096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Features of UV-Filtering Quartz Tubes","_seopress_titles_desc":"Blocks UV-C and UV-B while transmitting visible light. Ideal for optical devices, lighting, and UV-sensitive applications. Heat and corrosion resistant.","_seopress_robots_index":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"ppma_author":[13],"class_list":["post-6091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quartz-tube","author-casper-peng"],"uagb_featured_image_src":{"full":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes.jpg",1706,1279,false],"thumbnail":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-150x150.jpg",150,150,true],"medium":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-300x225.jpg",300,225,true],"medium_large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-768x576.jpg",768,576,true],"large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-1024x768.jpg",1024,768,true],"1536x1536":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-1536x1152.jpg",1536,1152,true],"2048x2048":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes.jpg",1706,1279,false],"trp-custom-language-flag":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/UV-Filtering-Quartz-Tubes-16x12.jpg",16,12,true]},"uagb_author_info":{"display_name":"Peng, Casper","author_link":"https:\/\/globalquartztube.com\/pt\/author\/casper-peng\/"},"uagb_comment_info":3,"uagb_excerpt":"UV-filtering quartz tubes are specially treated quartz glass tubes designed to selectively block specific ultraviolet (UV) wavelengths while maintaining high transparency in the visible and infrared ranges. Their key characteristics include: 1. UV Blocking Performance Cut-off Wavelength: Filtering Efficiency: 2. Optical Properties Transmittance: Refractive Index: 1.458 (@589\u202fnm), same as standard quartz glass. 3. Material and&hellip;","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/posts\/6091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/comments?post=6091"}],"version-history":[{"count":2,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/posts\/6091\/revisions"}],"predecessor-version":[{"id":6097,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/posts\/6091\/revisions\/6097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/media\/6096"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/media?parent=6091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/categories?post=6091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/tags?post=6091"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/pt\/wp-json\/wp\/v2\/ppma_author?post=6091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}