{"id":3439,"date":"2026-10-05T03:29:01","date_gmt":"2026-10-05T03:29:01","guid":{"rendered":"https:\/\/nhdbio.com\/?p=3439"},"modified":"2026-10-15T03:51:37","modified_gmt":"2026-10-15T03:51:37","slug":"ejemplo-de-resolucion-de-picos-superpuestos-en-hplc-de-peptidos","status":"publish","type":"post","link":"https:\/\/nhdbio.com\/es\/peptide-hplc-overlapping-peaks-resolution-example\/","title":{"rendered":"Un pico de HPLC puede ocultar dos componentes: aprende a interpretar la separaci\u00f3n"},"content":{"rendered":"<p>Un cromatograma tiene un pico grande. \u00bfSignifica eso que la muestra contiene solo un componente? No necesariamente. Dos componentes que llegan muy juntos pueden producir una se\u00f1al que parece un solo pico. As\u00ed es como ocurre.<\/p>\n<h2>Primero, \u00bfqu\u00e9 muestra un pico?<\/h2>\n<p>En HPLC, una muestra pasa por una columna. Diferentes componentes pueden atravesarla a distintas velocidades. El detector registra sus se\u00f1ales a medida que salen: el tiempo corre por el eje horizontal y la intensidad de la se\u00f1al por el eje vertical.<\/p>\n<p>Cuando dos componentes salen casi juntos, el detector puede registrar una forma combinada en lugar de dos picos claramente separados.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/nhdbio.com\/wp-content\/plugins\/nhd-content-refresh\/teaching-images\/t06\/en\/1.png\" alt=\"Figura 1. Dos componentes inventados pueden producir un solo pico combinado en el detector.\"><figcaption>Figura 1. Dos se\u00f1ales did\u00e1cticas superpuestas pueden parecer un solo pico.<\/figcaption><\/figure>\n<h2>Por qu\u00e9 una mejor separaci\u00f3n cambia la imagen<\/h2>\n<p>Imagine dos grupos de personas caminando por una puerta. Si llegan juntos, puede contarlos como una sola multitud. Si llegan en momentos diferentes, los grupos son m\u00e1s f\u00e1ciles de distinguir. La separaci\u00f3n en la columna cumple una funci\u00f3n similar.<\/p>\n<p>En la segunda gr\u00e1fica did\u00e1ctica, los dos picos est\u00e1n m\u00e1s separados. Eso hace que cada uno sea m\u00e1s f\u00e1cil de examinar y medir. Estas son curvas simuladas, no una prueba de antes y despu\u00e9s de un lote de NHD.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/nhdbio.com\/wp-content\/plugins\/nhd-content-refresh\/teaching-images\/t06\/en\/2.png\" alt=\"Figura 2. Una mayor separaci\u00f3n revela los dos componentes modelados.\"><figcaption>Figura 2. Los picos separados son m\u00e1s f\u00e1ciles de inspeccionar individualmente.<\/figcaption><\/figure>\n<h2>Use un n\u00famero para describir qu\u00e9 tan separados est\u00e1n los picos<\/h2>\n<p>Resolution, written Rs, compares the gap between two peak times with their widths. For this example, use widths measured at the baseline: Rs = 2 \u00d7 (second time \u2212 first time) \u00f7 (first width + second width).<\/p>\n<p>The peaks occur at 5.0 and 5.6 minutes, with baseline widths of 0.4 minutes each. Rs = 2 \u00d7 0.6 \u00f7 0.8 = 1.5. A wider gap or narrower peaks gives a larger value.<\/p>\n<p>Do not mix baseline widths with half-height widths; they use different formulas. Also, 1.5 is this example\u2019s answer, not an acceptance rule for every method.<\/p>\n<h2>Por qu\u00e9 esto importa para la pureza<\/h2>\n<p>Un c\u00e1lculo de pureza basado en \u00e1rea depende de qu\u00e9 se\u00f1ales el m\u00e9todo separa, detecta y cuenta. Si otro componente queda oculto bajo el pico objetivo, su se\u00f1al puede incluirse en esa \u00e1rea.<\/p>\n<p>Por eso, lea todo el cromatograma y el m\u00e9todo, no solo el porcentaje. La forma del pico por s\u00ed sola tampoco puede decirle la identidad de cada componente.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/nhdbio.com\/wp-content\/plugins\/nhd-content-refresh\/teaching-images\/t06\/en\/3.png\" alt=\"Figura 3. Para anchos de base de 0.4 min y tiempos de 5.0 y 5.6 min, la resoluci\u00f3n did\u00e1ctica es 1.5.\"><figcaption>Figura 3. La separaci\u00f3n de picos y la selecci\u00f3n de \u00e1rea afectan la interpretaci\u00f3n.<\/figcaption><\/figure>\n<h2>Prueba un par de picos m\u00e1s cercanos<\/h2>\n<p>Mant\u00e9n ambos anchos de l\u00ednea base en 0.4 minutos, pero mueve el segundo pico a 5.2 minutos. La diferencia ahora es de solo 0.2 minutos.<\/p>\n<div class=\"exercise\"><strong>\u00bfCu\u00e1l es Rs para picos a 5.0 y 5.2 minutos?<\/strong><\/p>\n<details>\n<summary>Ver la respuesta<\/summary>\n<p>2 \u00d7 0.2 \u00f7 0.8 = 0.5. The smaller value reflects a smaller gap relative to peak width.<\/p>\n<\/details>\n<\/div>\n<h2>Lectura de informaci\u00f3n de an\u00e1lisis GHK-Cu o KPV<\/h2>\n<p>Para GHK-Cu o KPV, pregunta qu\u00e9 registros de an\u00e1lisis est\u00e1n disponibles y c\u00f3mo se identific\u00f3 la se\u00f1al objetivo. Si se proporciona una cifra de pureza, l\u00e9ela junto con su m\u00e9todo y el gr\u00e1fico completo.<\/p>\n<p><a href=\"https:\/\/nhdbio.com\/es\/productos\/ghk-cu\/\">GHK-Cu<\/a> \/ <a href=\"https:\/\/nhdbio.com\/es\/productos\/kpv\/\">KPV<\/a><\/p>\n<p><a href=\"https:\/\/nhdbio.com\/es\/cita\/\">Consulte sobre requisitos de material y documentaci\u00f3n con NHD<\/a> \u00b7 <a href=\"https:\/\/nhdbio.com\/es\/metodos-analiticos\/interpretacion-de-cromatogramas\/\">Contin\u00fae con la gu\u00eda anal\u00edtica<\/a><\/p>\n<footer><strong>Fuentes y notas de ejemplo<\/strong><\/p>\n<p>Los n\u00fameros y las curvas son ejemplos did\u00e1cticos, no resultados de an\u00e1lisis de lotes de producto. Fuentes consultadas el 11 de octubre de 2026.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.agilent.com\/about\/data-integrity\/en\/5-tips-chromatographic-integration.html\">Agilent \u00b7 chromatographic integration<\/a><\/li>\n<li><a href=\"https:\/\/database.ich.org\/sites\/default\/files\/ICH_Q2(R2)_Guideline_2023_1130_ErrorCorrection_2025.pdf\">ICH Q2(R2) \u00b7 analytical validation<\/a><\/li>\n<\/ul>\n<p>Redacci\u00f3n y revisi\u00f3n de fuentes asistidas por IA. Los materiales del cat\u00e1logo son para investigaci\u00f3n, desarrollo y fabricaci\u00f3n, no para uso humano o veterinario.<\/p>\n<\/footer>","protected":false},"excerpt":{"rendered":"<p>Aprenda por qu\u00e9 importa la forma del pico antes de leer un porcentaje de pureza.<\/p>","protected":false},"author":1,"featured_media":3965,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pim_family_ids":"329,348,352,318","pim_article_type":"Practical research guide","pim_evidence_level":"Technical guidance with labeled teaching examples","pim_reviewer":"AI-assisted source and editorial check","pim_reviewed_date":"2026-10-11","pim_editorial_note":"Study results and labeled examples are separated. Original-source, arithmetic, readability and internal-link checks; no independent human peer review recorded.","pim_review_status":"reviewed","pim_review_reason":"Teaching examples, arithmetic, source links and plain language checked; product enquiries linked.","pim_creation_method":"AI-assisted writing and source checks; conceptual illustrated cover.","pim_sources":"[{\"title\":\"ICH Q2(R2): Validation of Analytical Procedures\",\"note\":\"Defines validation characteristics and distinguishes quantitative analytical purposes.\",\"url\":\"https:\/\/www.fda.gov\/regulatory-information\/search-fda-guidance-documents\/q2r2-validation-analytical-procedures\"},{\"title\":\"Agilent: Five Tips for Chromatographic Integration\",\"note\":\"Agilent: Five Tips for Chromatographic Integration. Accessed 2026-10-05.\",\"url\":\"https:\/\/www.agilent.com\/about\/data-integrity\/en\/5-tips-chromatographic-integration.html\"},{\"title\":\"Teaching reference \u2014 database.ich.org \u2014 ICH_Q2(R2)_Guideline_2023_1130_ErrorCorrection_2025.pdf\",\"note\":\"\",\"url\":\"https:\/\/database.ich.org\/sites\/default\/files\/ICH_Q2(R2)_Guideline_2023_1130_ErrorCorrection_2025.pdf\"},{\"title\":\"Peptide Isolation \u2013 Method Development Considerations\",\"note\":\"Peptide Isolation \u2013 Method Development Considerations\",\"url\":\"https:\/\/www.waters.com\/nextgen\/gb\/en\/education\/primers\/practical-approaches-to-peptide-isolation\/method-development-considerations.html\"}]","footnotes":""},"categories":[20],"tags":[],"class_list":["post-3439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evidence-quality-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>One HPLC Peak Can Hide Two Components: Learn to Read Separation | NHD<\/title>\n<meta name=\"description\" content=\"Learn why peak shape matters before you read a purity percentage.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nhdbio.com\/es\/ejemplo-de-resolucion-de-picos-superpuestos-en-hplc-de-peptidos\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"One HPLC Peak Can Hide Two Components: Learn to Read Separation\" \/>\n<meta property=\"og:description\" content=\"Learn why peak shape matters before you read a purity percentage.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nhdbio.com\/es\/ejemplo-de-resolucion-de-picos-superpuestos-en-hplc-de-peptidos\/\" \/>\n<meta property=\"og:site_name\" content=\"NHD\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-05T03:29:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-15T03:51:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/10\/nhd-comic-3439.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"NHD Technical Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"Peptide Raw Materials and Custom Peptide Synthesis\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"NHD Technical Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-hplc-overlapping-peaks-resolution-example\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-hplc-overlapping-peaks-resolution-example\\\/\"},\"author\":{\"name\":\"NHD Technical Team\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#\\\/schema\\\/person\\\/0ffb0dec7fda0f720073fc468fac6fc1\"},\"headline\":\"One HPLC Peak Can Hide Two Components: Learn to Read Separation\",\"datePublished\":\"2026-10-05T03:29:01+00:00\",\"dateModified\":\"2026-10-15T03:51:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-hplc-overlapping-peaks-resolution-example\\\/\"},\"wordCount\":505,\"publisher\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-hplc-overlapping-peaks-resolution-example\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/nhd-comic-3439.jpg\",\"articleSection\":[\"Evidence &amp; 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