{"id":5345,"date":"2025-03-07T12:11:00","date_gmt":"2025-03-07T12:11:00","guid":{"rendered":"https:\/\/vivalr.com\/product\/5345.html"},"modified":"2025-03-07T12:31:28","modified_gmt":"2025-03-07T12:31:28","slug":"high-quality-paraformaldehyde-cas-30525-89-4-with-low-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/5345.html","title":{"rendered":"Paraformalde\u00eddo de alta qualidade CAS 30525-89-4 com pre\u00e7o baixo"},"content":{"rendered":"<h1>Guia do utilizador do produto: Paraformalde\u00eddo de alta qualidade CAS 30525-89-4 com pre\u00e7o baixo<\/h1>\n<h2>\u00cdndice<\/h2>\n<ul>\n<li><a href=\"#basic_info\">1. Informa\u00e7\u00f5es e par\u00e2metros de base<\/a><\/li>\n<li><a href=\"#uses\">2. Utiliza\u00e7\u00f5es do produto<\/a><\/li>\n<li><a href=\"#usage\">3. Como utilizar o produto<\/a><\/li>\n<li><a href=\"#case_studies\">4. Estudos de casos de utiliza\u00e7\u00e3o pormenorizados<\/a><\/li>\n<li><a href=\"#contact\">5. Informa\u00e7\u00f5es de contacto<\/a><\/li>\n<\/ul>\n<h2 id=\"basic_info\">1. Informa\u00e7\u00f5es e par\u00e2metros de base<\/h2>\n<p>Nosso produto, Paraformalde\u00eddo de alta qualidade com n\u00famero CAS 30525 - 89 - 4, \u00e9 bem - conhecido por sua alta pureza e baixo pre\u00e7o. O paraformalde\u00eddo \u00e9 um p\u00f3 cristalino branco com um odor carater\u00edstico de formalde\u00eddo. \u00c9 um pol\u00edmero de formalde\u00eddo, com a f\u00f3rmula qu\u00edmica (CH\u2082O)\u2099, onde n normalmente varia de 8 a 100.<\/p>\n<p>O ponto de fus\u00e3o do nosso paraformalde\u00eddo \u00e9 de cerca de 120 - 170\u00b0C, e come\u00e7a a decompor-se em g\u00e1s formalde\u00eddo a temperaturas elevadas. Tem uma densidade de aproximadamente 1,4 g\/cm\u00b3. O nosso produto cumpre rigorosas normas de controlo de qualidade, garantindo um elevado grau de pureza, o que o torna adequado para uma vasta gama de aplica\u00e7\u00f5es.<\/p>\n<h2 id=\"uses\">2. Utiliza\u00e7\u00f5es do produto<\/h2>\n<p>O paraformalde\u00eddo tem in\u00fameras aplica\u00e7\u00f5es em diferentes sectores. Na ind\u00fastria qu\u00edmica, \u00e9 utilizado principalmente como fonte de formalde\u00eddo. O formalde\u00eddo \u00e9 uma mat\u00e9ria-prima fundamental para a produ\u00e7\u00e3o de v\u00e1rias resinas, tais como resinas fen\u00f3licas, resinas de ureia-formalde\u00eddo e resinas de melamina-formalde\u00eddo. Estas resinas s\u00e3o amplamente utilizadas no fabrico de contraplacado, aglomerado de part\u00edculas e outros pain\u00e9is \u00e0 base de madeira, bem como na produ\u00e7\u00e3o de pl\u00e1sticos, adesivos e revestimentos.<\/p>\n<p>Nos dom\u00ednios m\u00e9dico e farmac\u00eautico, o paraformalde\u00eddo \u00e9 utilizado como fixador de amostras biol\u00f3gicas. Ajuda a preservar a estrutura e a morfologia das c\u00e9lulas e dos tecidos, permitindo exames histol\u00f3gicos e patol\u00f3gicos exactos. Al\u00e9m disso, pode ser utilizado como desinfetante devido \u00e0s suas propriedades antibacterianas e antif\u00fangicas.<\/p>\n<p>No sector agr\u00edcola, o paraformalde\u00eddo pode ser utilizado como fumigante do solo para controlar nem\u00e1todos, fungos e outras pragas transmitidas pelo solo.<\/p>\n<h2 id=\"usage\">3. Como utilizar o produto<\/h2>\n<p>Ao utilizar o paraformalde\u00eddo, \u00e9 essencial seguir procedimentos de seguran\u00e7a rigorosos. Deve ser manuseado numa \u00e1rea bem ventilada, de prefer\u00eancia sob uma hotte, uma vez que pode libertar g\u00e1s de formalde\u00eddo, que \u00e9 uma subst\u00e2ncia t\u00f3xica e cancer\u00edgena. Deve ser usado equipamento de prote\u00e7\u00e3o, como luvas, \u00f3culos de prote\u00e7\u00e3o e um respirador.<\/p>\n<p>Para dissolver o paraformalde\u00eddo, este \u00e9 normalmente aquecido num solvente adequado, como \u00e1gua ou solu\u00e7\u00f5es tamp\u00e3o. O processo de aquecimento deve ser efectuado lenta e cuidadosamente para evitar o sobreaquecimento e a liberta\u00e7\u00e3o excessiva de formalde\u00eddo. A concentra\u00e7\u00e3o da solu\u00e7\u00e3o depende da aplica\u00e7\u00e3o espec\u00edfica. Por exemplo, para a fixa\u00e7\u00e3o de tecidos, \u00e9 normalmente utilizada uma solu\u00e7\u00e3o de paraformalde\u00eddo 4% em solu\u00e7\u00e3o salina tamponada com fosfato (PBS).<\/p>\n<h2 id=\"case_studies\">4. Estudos de casos de utiliza\u00e7\u00e3o pormenorizados<\/h2>\n<p>Caso 1: Fabrico de pain\u00e9is derivados de madeira<br \/>\nUma f\u00e1brica de pain\u00e9is \u00e0 base de madeira utilizou o nosso paraformalde\u00eddo para produzir resinas fen\u00f3licas. Ao utilizar o nosso paraformalde\u00eddo de alta qualidade, conseguiram obter um processo de s\u00edntese de resina mais est\u00e1vel. As resinas fen\u00f3licas resultantes tinham uma excelente for\u00e7a de liga\u00e7\u00e3o, o que melhorou a qualidade do contraplacado e do aglomerado de part\u00edculas produzidos. O baixo pre\u00e7o do nosso produto tamb\u00e9m ajudou a f\u00e1brica a reduzir os custos de produ\u00e7\u00e3o, aumentando a sua competitividade no mercado.<\/p>\n<p>Caso 2: Investiga\u00e7\u00e3o m\u00e9dica<br \/>\nUm instituto de investiga\u00e7\u00e3o m\u00e9dica utilizou o nosso paraformalde\u00eddo para a fixa\u00e7\u00e3o de tecidos nos seus estudos histol\u00f3gicos. Prepararam uma solu\u00e7\u00e3o de paraformalde\u00eddo 4% em PBS de acordo com o protocolo padr\u00e3o. Os tecidos fixados apresentaram estruturas celulares bem preservadas, o que permitiu um exame microsc\u00f3pico exato. A elevada pureza do nosso paraformalde\u00eddo assegurou uma interfer\u00eancia de fundo m\u00ednima, permitindo resultados de investiga\u00e7\u00e3o claros e fi\u00e1veis.<\/p>\n<h2 id=\"contact\">5. Informa\u00e7\u00f5es de contacto<\/h2>\n<p>Se tiver alguma d\u00favida ou precisar de mais informa\u00e7\u00f5es sobre o nosso Paraformalde\u00eddo de alta qualidade CAS 30525 - 89 - 4, n\u00e3o hesite em contactar-nos. O nosso endere\u00e7o de correio eletr\u00f3nico \u00e9 info@vivalr.com, e o nosso n\u00famero de telefone \u00e9 (86) 15866781826.<\/p>","protected":false},"excerpt":{"rendered":"<p>Product User Guide: High Quality Paraformaldehyde CAS 30525-89-4 With Low Price Table of Contents 1. Basic Information and Parameters 2. Uses of the Product 3. How to Use the Product 4. Detailed Usage Case Studies 5. Contact Information 1. Basic Information and Parameters Our product, High Quality Paraformaldehyde with CAS number 30525 - 89 - [&hellip;]<\/p>\n","protected":false},"featured_media":23746,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-5345","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","8":"first","9":"instock","10":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>High Quality Paraformaldehyde CAS 30525-89-4 With Low Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vivalr.com\/pt\/product\/5345.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High Quality Paraformaldehyde CAS 30525-89-4 With Low Price\" \/>\n<meta property=\"og:description\" content=\"Product User Guide: High Quality Paraformaldehyde CAS 30525-89-4 With Low Price Table of Contents 1. 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