{"id":47,"date":"2022-08-30T17:49:00","date_gmt":"2022-08-30T17:49:00","guid":{"rendered":"https:\/\/www.esalab.com.br\/blog\/?p=47"},"modified":"2026-03-10T17:23:43","modified_gmt":"2026-03-10T17:23:43","slug":"o-que-sao-colunas-cromatograficas","status":"publish","type":"post","link":"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/","title":{"rendered":"O que s\u00e3o colunas cromatogr\u00e1ficas?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tempo de leitura:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>\n<p>Colunas cromatogr\u00e1ficas, como a pr\u00f3pria nomenclatura sugere, s\u00e3o equipamentos utilizados para a realiza\u00e7\u00e3o da cromatografia. Consequentemente, \u00e9 fundamental que esses itens sejam de qualidade, uma vez que isso tende a promover n\u00e3o somente resultados eficientes, como tamb\u00e9m a seguran\u00e7a dos profissionais respons\u00e1veis por essa atividade durante esse processo.\u00a0<\/p>\n\n\n\n<p>A seguir, voc\u00ea pode conhecer mais sobre esses produtos, aprender mais sobre sua aplicabilidade e conferir, no fim do artigo, a melhor empresa para se adquirir esses e outros objetos e servi\u00e7os relacionados a esse mercado. Confira!&nbsp;<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Sum\u00e1rio<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabela de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/#O_que_sao_colunas_cromatograficas\" >O que s\u00e3o colunas cromatogr\u00e1ficas?&nbsp;<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/#Colunas_analiticas\" >Colunas anal\u00edticas&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/#Colunas_capilares\" >Colunas capilares<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/#Colunas_microbore_e_semi-microbore\" >Colunas microbore e semi-microbore&nbsp;&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/#Colunas_nano\" >Colunas nano<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/#Colunas_preparativas\" >Colunas preparativas&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/30\/o-que-sao-colunas-cromatograficas\/#Onde_comprar_colunas_cromatograficas\" >Onde comprar colunas cromatogr\u00e1ficas?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"O_que_sao_colunas_cromatograficas\"><\/span>O que s\u00e3o colunas cromatogr\u00e1ficas?&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Assim como explicamos acima, colunas cromatogr\u00e1ficas s\u00e3o equipamentos utilizados para a realiza\u00e7\u00e3o da cromatografia \u2014 esta, por sua vez, \u00e9 uma t\u00e9cnica laboratorial voltada para a an\u00e1lise, identifica\u00e7\u00e3o e separa\u00e7\u00e3o de componentes de determinadas misturas.&nbsp;<\/p>\n\n\n\n<p>Esses itens tamb\u00e9m podem ser conhecidos por colunas de cromatografia ou colunas HPLC, sigla para <em>high performance liquid chromatography<\/em>, ou cromatografia l\u00edquida de alta performance, em tradu\u00e7\u00e3o livre.&nbsp;<\/p>\n\n\n\n<p>Existem alguns modelos de colunas cromatogr\u00e1ficas, cada um com uma fun\u00e7\u00e3o espec\u00edfica, sendo:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Anal\u00edticas;<\/li><li>Capilares;<\/li><li>Microbori e semi-microbore;<\/li><li>Nano;<\/li><li>Preparativas.<\/li><\/ul>\n\n\n\n<p>Cada um deles possui suas particularidades e, consequentemente, atributos voltados para procedimentos espec\u00edficos, visando, principalmente, otimizar sua utiliza\u00e7\u00e3o. S\u00e3o as seguintes:&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Colunas_analiticas\"><\/span>Colunas anal\u00edticas&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>As varia\u00e7\u00f5es anal\u00edticas, como a pr\u00f3pria nomenclatura sugere, s\u00e3o usadas para diferenciar as colunas dedicadas a an\u00e1lises qualitativas e quantitativas, isso sem isolar as quantidades mensur\u00e1veis de analitos espec\u00edficos.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Colunas_capilares\"><\/span>Colunas capilares<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>As varia\u00e7\u00f5es capilares, tamb\u00e9m conhecidas como tubular aberta, s\u00e3o voltadas para a cromatografia gasosa enquanto promovem a economia de solventes, estes geralmente inferiores a 80%.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Colunas_microbore_e_semi-microbore\"><\/span>Colunas microbore e semi-microbore&nbsp;&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>As varia\u00e7\u00f5es microbore, assim como o t\u00f3pico anterior, possuem, entre suas principais fun\u00e7\u00f5es, a miss\u00e3o de promover a economia de solventes. Na pr\u00e1tica, elas n\u00e3o geram mudan\u00e7as dr\u00e1sticas no conceito do equipamento, gerando cromatogramas parecidos com os que resultam da ades\u00e3o das vers\u00f5es anal\u00edticas.&nbsp;<\/p>\n\n\n\n<p>As vers\u00f5es semi-microbore s\u00e3o vertentes muito similares, capazes, assim como a alternativa acima, de poupar recursos, podendo atingir uma redu\u00e7\u00e3o que varia entre 20% e 40%, claro, a depender do caso.&nbsp;&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Colunas_nano\"><\/span>Colunas nano<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>As varia\u00e7\u00f5es nano tamb\u00e9m s\u00e3o direcionadas \u00e0 economia de solventes, por\u00e9m, simultaneamente, buscam facilitar o acoplamento a outras t\u00e9cnicas de an\u00e1lise. Apesar de positivo, esse ponto acaba diminuindo a acessibilidade desse equipamento que, por exigir um manuseio extremamente rigoroso, acaba restrito a opera\u00e7\u00f5es realizadas apenas em ambientes acad\u00eamicos.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Colunas_preparativas\"><\/span>Colunas preparativas&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>As varia\u00e7\u00f5es preparativas, por fim, s\u00e3o voltadas para o isolamento de compostos valiosos nas misturas, permitindo, ainda, o redirecionamento de compostos, que passam a poder ser utilizados em atividades biol\u00f3gicas ou na produ\u00e7\u00e3o de f\u00e1rmacos.\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.esalab.com.br\/blog\/2022\/08\/01\/o-que-sao-pipetas-e-como-elas-sao-utilizadas\/\" target=\"_blank\" rel=\"noreferrer noopener\">Leia tamb\u00e9m: <em>O que s\u00e3o pipetas e como elas s\u00e3o utilizadas?<\/em><\/a><\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Onde_comprar_colunas_cromatograficas\"><\/span>Onde comprar colunas cromatogr\u00e1ficas?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Considerando a variabilidade e, claro, a import\u00e2ncia desses itens, fica evidente a necessidade de se investir nesses produtos atrav\u00e9s de companhias especializadas, como a <a href=\"https:\/\/www.esalab.com.br\/\" target=\"_blank\" rel=\"noreferrer noopener\">Esalab<\/a>.\u00a0<\/p>\n\n\n\n<p>H\u00e1 anos operando no setor, a companhia cresceu e se consolidou como uma refer\u00eancia do meio, suprindo at\u00e9 as mais elevadas exig\u00eancias de seu extenso corpo de clientes.&nbsp;<\/p>\n\n\n\n<p>Por isso, se estiver em busca de colunas cromatogr\u00e1ficas, <a href=\"https:\/\/www.esalab.com.br\/contato\" target=\"_blank\" rel=\"noreferrer noopener\">entre em contato com a Esalab e solicite um or\u00e7amento<\/a> especial para o seu projeto.\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.esalab.com.br\/contato\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/www.esalab.com.br\/blog\/wp-content\/uploads\/2022\/08\/CTA-1.jpg\" alt=\"\" class=\"wp-image-48\"\/><\/a><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Tempo de leitura:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutos<\/span><\/span>Colunas cromatogr\u00e1ficas, como a pr\u00f3pria nomenclatura sugere, s\u00e3o equipamentos utilizados para a realiza\u00e7\u00e3o da cromatografia. Consequentemente, \u00e9 fundamental que esses itens sejam de qualidade, uma vez que isso tende a promover n\u00e3o somente resultados eficientes, como tamb\u00e9m a seguran\u00e7a dos profissionais respons\u00e1veis por essa atividade durante esse processo.\u00a0 A seguir, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":49,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[26,27,23,28,29,30,25,24],"class_list":["post-47","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-colunas-cromatograficas","tag-colunas-analiticas","tag-colunas-capilares","tag-colunas-cromatograficas","tag-colunas-microbore-e-semi-microbore","tag-colunas-nano","tag-colunas-preparativas","tag-o-que-sao-colunas-cromatograficas","tag-onde-comprar-colunas-cromatograficas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O que s\u00e3o colunas cromatogr\u00e1ficas? 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