{"id":6750,"date":"2026-09-24T02:42:05","date_gmt":"2026-09-24T02:42:05","guid":{"rendered":"https:\/\/www.hcftir.com\/kbr-pellet\/"},"modified":"2026-09-25T01:06:57","modified_gmt":"2026-09-25T01:06:57","slug":"kbr-pellet","status":"publish","type":"page","link":"https:\/\/www.hcftir.com\/es\/kbr-pellet\/","title":{"rendered":"Preparaci\u00f3n de pastillas de KBr"},"content":{"rendered":"<div class=\"path_bar\"><div class=\"layout\" style=\"margin:0 auto\"><ul><li><a href=\"\/\">Inicio<\/a><\/li><li><a href=\"\">Preparaci\u00f3n de pastillas de KBr<\/a><\/li><\/ul><\/div><\/div>\n\n\n<h1 class=\"wp-block-heading has-text-align-center layout sh h20 ch\" style=\"font-size:30px\">Preparaci\u00f3n de pastillas de KBr<\/h1>\n\n\n<p class=\"has-text-align-center layout bt pa\">La pastilla de KBr es el formato de muestra cl\u00e1sico por transmisi\u00f3n para el an\u00e1lisis FTIR. El flujo de trabajo es corto pero sensible: moler finamente la muestra, mezclarla con polvo de bromuro de potasio seco en la proporci\u00f3n correcta, prensarla en un troquel de 13 mm e inspeccionar el disco resultante. Esta p\u00e1gina re\u00fane el equipo y los procedimientos que Hench suministra para cada paso.<\/p>\n\n\n<div class=\"layout\" style=\"margin:0 auto 50px\">\n\n<h2>Paso 1: Molienda<\/h2>\n<p>La muestra se muele hasta obtener un polvo fino y uniforme que se disperse de manera homog\u00e9nea en la matriz de KBr. El <a href=\"\/agate-mortar-hw-3-product\/\">mortero de \u00e1gata HW-3<\/a> proporciona una superficie de molienda limpia que no introduce contaminaci\u00f3n.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.hcftir.com\/wp-content\/uploads\/2025\/09\/Agate-mortar-application-1.webp\" alt=\"Mortero de \u00e1gata para moler la muestra en la preparaci\u00f3n de pastillas de KBr\" \/><figcaption>Moler hasta obtener un polvo fino y uniforme es el primer paso del m\u00e9todo.<\/figcaption><\/figure>\n\n\n<h2>Paso 2: Polvo de bromuro de potasio<\/h2>\n<p>Hench suministra <a href=\"\/potassium-bromide-spectral-pure-powder-kbr-f-product\/\">polvo de bromuro de potasio puro para espectroscopia KBr-F<\/a> y <a href=\"\/potassium-bromide-pure-crystalline-for-spectroscopy-kbr-s-product\/\">bromuro de potasio cristalino KBr-S<\/a>. Ambos deben mantenerse secos: la humedad del polvo produce las bandas de agua caracter\u00edsticas en el espectro.<\/p>\n\n<h2>Paso 3: Prensado de la pastilla<\/h2>\n<p>13 mm es el di\u00e1metro de pastilla est\u00e1ndar. Utilice el <a href=\"\/hm-12-13mm-ir-tablet-press-dies-demould-product\/\">troquel desmoldante de 13 mm HM-12<\/a> para pastillas est\u00e1ndar o el <a href=\"\/hm-2-13-ir-no-demould-dies-product\/\">troquel sin desmoldeo HM-2<\/a> cuando la pastilla se mide in situ. Las prensas se listan en la <a href=\"\/kbr-pellet\/press\/\">prensa para pastillas de KBr<\/a> p\u00e1gina, y la gama completa de troqueles est\u00e1 en la <a href=\"\/kbr-pellet\/die\/\">troqueles para pastillas de KBr<\/a> p\u00e1gina.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.hcftir.com\/wp-content\/uploads\/2026\/06\/How-to-Prepare-KBr-Pellets-for-FTIR-Analysis-3.webp\" alt=\"Prensado de una pastilla de KBr de 13 mm en una prensa de laboratorio\" \/><figcaption>El troquel de 13 mm se prensa a 8-10 toneladas con un mantenimiento de 60-90 segundos.<\/figcaption><\/figure>\n\n\n<h2>Paso 4: Secado y almacenamiento<\/h2>\n<p>En <a href=\"\/ir-laboratory-oven-hk-3-product\/\">horno de laboratorio IR HK-3<\/a> se utiliza para secar polvos y accesorios, y un armario a prueba de humedad mantiene secos la \u00f3ptica y los consumibles entre mediciones; consulte <a href=\"\/why-should-a-dedicated-moisture-proof-box-be-chosen-for-ftir-article\/\">por qu\u00e9 es importante un recipiente antihumedad dedicado<\/a>.<\/p>\n\n<h2>procedimiento operativo est\u00e1ndar<\/h2>\n<p>El procedimiento detallado, incluidos la molienda, la mezcla, el prensado y la inspecci\u00f3n, se publica en nuestra <a href=\"\/standard-operating-procedure-preparation-of-high-quality-kbr-pellets-for-ftir-analysis-article\/\">gu\u00eda de preparaci\u00f3n de pastillas de KBr<\/a> and in <a href=\"\/how-to-prepare-kbr-pellets-for-ftir-analysis-article\/\">c\u00f3mo preparar pastillas de KBr para un an\u00e1lisis FTIR preciso<\/a>.<\/p>\n\n<h2>Soluci\u00f3n de problemas<\/h2>\n<ul>\n<li><strong>Pastilla turbia:<\/strong> molienda insuficiente, humedad o presi\u00f3n demasiado baja.<\/li>\n<li><strong>Pastilla agrietada:<\/strong> presi\u00f3n liberada demasiado r\u00e1pido o una superficie de troquel irregular.<\/li>\n<li><strong>Bandas de agua en el espectro:<\/strong> polvo h\u00famedo, troquel h\u00famedo o aire h\u00famedo del laboratorio.<\/li>\n<li><strong>Bandas de muestra d\u00e9biles:<\/strong> muy poca muestra en la mezcla o una pastilla demasiado gruesa.<\/li>\n<\/ul>\n\n<h2>Preguntas frecuentes<\/h2>\n<h2>Par\u00e1metros del proceso<\/h2>\n<table>\n<thead>\n<tr><th>Paso<\/th><th>Par\u00e1metro<\/th><th>Valor<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>Molienda<\/td><td>Sample state<\/td><td>Polvo fino y uniforme<\/td><\/tr>\n<tr><td>Mezcla<\/td><td>Proporci\u00f3n muestra\/KBr<\/td><td>Una peque\u00f1a cantidad de muestra en un volumen mucho mayor de KBr<\/td><\/tr>\n<tr><td>Prensado<\/td><td>Di\u00e1metro del troquel<\/td><td>13 mm<\/td><\/tr>\n<tr><td>Prensado<\/td><td>Carga<\/td><td>8-10 toneladas<\/td><\/tr>\n<tr><td>Prensado<\/td><td>Tiempo de mantenimiento<\/td><td>60-90 segundos tras un paso de vac\u00edo de 1-2 minutos<\/td><\/tr>\n<tr><td>Almacenamiento<\/td><td>Condiciones<\/td><td>Armario seco con desecante nuevo<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n<h2>Comprobaciones de calidad tras el prensado<\/h2>\n<p>Compruebe la pastilla antes de introducirla en el espectr\u00f3metro: debe ser transparente, plana y sin grietas. Un disco turbio suele indicar molienda insuficiente, humedad o presi\u00f3n demasiado baja, mientras que uno agrietado apunta a una liberaci\u00f3n r\u00e1pida de la presi\u00f3n o a una superficie de troquel irregular.<\/p>\n<p>Registre la carga, el tiempo de mantenimiento y el di\u00e1metro del troquel junto con la proporci\u00f3n muestra\/KBr para poder repetir el m\u00e9todo. El procedimiento completo se publica en nuestro <a href=\"\/standard-operating-procedure-preparation-of-high-quality-kbr-pellets-for-ftir-analysis-article\/\">SOP de pastillas de KBr<\/a>.<\/p>\n\n<h3>\u00bfQu\u00e9 proporci\u00f3n de muestra y KBr se utiliza?<\/h3>\n<p>La proporci\u00f3n depende de la absorci\u00f3n de la muestra; la pr\u00e1ctica habitual de laboratorio es una peque\u00f1a cantidad de muestra dispersa en un volumen mucho mayor de KBr. Comience con el procedimiento de nuestra <a href=\"\/standard-operating-procedure-preparation-of-high-quality-kbr-pellets-for-ftir-analysis-article\/\">gu\u00eda de preparaci\u00f3n<\/a>.<\/p>\n<h3>\u00bfPuedo reutilizar un troquel para otras muestras?<\/h3>\n<p>S\u00ed, pero el troquel debe limpiarse y secarse entre muestras para evitar la contaminaci\u00f3n cruzada y las bandas de agua.<\/p>\n<h3>\u00bfQu\u00e9 prensa debo utilizar?<\/h3>\n<p>Una prensa de sobremesa de 15 toneladas como la <a href=\"\/hyp-15-15-ton-manual-ir-tablet-press-machine-product\/\">HYP-15<\/a> es suficiente para pastillas de 13 mm; las prensas autom\u00e1ticas se utilizan cuando se preparan muchas pastillas al d\u00eda.<\/p>\n\n<p style=\"margin-top:30px\"><strong>\u00bfNecesita ayuda para elegir consumibles de KBr?<\/strong> <a href=\"\/contact-us\/\">Solicite una cotizaci\u00f3n<\/a> indicando el di\u00e1metro de pastilla y el modelo de espectr\u00f3metro.<\/p>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Home KBr Pellet Preparation KBr Pellet Preparation A KBr pellet is the classic transmission sample format for FTIR analysis. The workflow is short but sensitive: grind the sample finely, mix it with dry potassium bromide powder at the right ratio, press it in a 13 mm die and inspect the resulting disc. This page collects [&hellip;]<\/p>","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6750","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>KBr Pellet Preparation | FTIR Sample Preparation | Hench<\/title>\n<meta name=\"description\" content=\"How to prepare KBr pellets for FTIR: grinding, potassium bromide powder, 13 mm dies, presses, drying and troubleshooting. 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