{"id":21370,"date":"2023-01-13T07:58:10","date_gmt":"2023-01-13T06:58:10","guid":{"rendered":"https:\/\/www.cnep-fr.com\/en\/?p=21370"},"modified":"2023-01-13T08:08:46","modified_gmt":"2023-01-13T07:08:46","slug":"acquisition-of-a-size-exclusion-chromatography-sec","status":"publish","type":"post","link":"https:\/\/www.cnep-fr.com\/en\/blog\/2023\/01\/13\/acquisition-of-a-size-exclusion-chromatography-sec\/","title":{"rendered":"Acquisition of a size-exclusion chromatography (SEC)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21370\" class=\"elementor elementor-21370\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ea4045b elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"ea4045b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a68b3ff\" data-id=\"a68b3ff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a238ca elementor-widget elementor-widget-heading\" data-id=\"1a238ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Acquisition of a size-exclusion chromatography (SEC) equipment<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48925fe elementor-widget elementor-widget-text-editor\" data-id=\"48925fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tExposure of polymers to UV radiation can cause chain breaks and therefore\na decrease in molecular weights. The CNEP has just acquired equipment for\nsize-exclusion chromatography (SEC) in order to characterize this\nevolution of the distribution of molecular masses.<br> <br>\n\nOne of the difficulties often encountered for this technique lies in the low solubility of the\nusual polymers (polyethylene, polypropylene, polyamide, etc.) requiring the use of\nspecific solvents and to solutions and analyzes at high temperatures (&gt;140\u00b0C).\n<br><br>\nThis is what our new equipment allows.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2927eb9 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"2927eb9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dfeb642\" data-id=\"dfeb642\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-306c778 elementor-widget elementor-widget-image\" data-id=\"306c778\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.cnep-fr.com\/wp-content\/uploads\/1-15.png\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Photo 1: Training in the use of the SEC equipment<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0f27af3 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"0f27af3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bfeb4c2\" data-id=\"bfeb4c2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1ee4235 elementor-widget elementor-widget-text-editor\" data-id=\"1ee4235\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tIn addition, we have also equipped ourselves with high pressure liquid chromatography (HPLC) equipment which will allow us to follow the evolution of the level of stabilizers during photoaging tests.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e122024 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-equal-height-no\" data-id=\"e122024\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bc59410\" data-id=\"bc59410\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-82072db elementor-widget elementor-widget-image\" data-id=\"82072db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.cnep-fr.com\/wp-content\/uploads\/2-12.png\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Photo 2: Gradient liquid chromatography apparatus<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Acquisition of a size-exclusion chromatography (SEC) equipment Exposure of polymers to UV radiation can cause chain breaks and therefore a decrease in molecular weights. The CNEP has just acquired equipment for size-exclusion chromatography (SEC) in order to characterize this evolution of the distribution of molecular masses. One of the difficulties often encountered for this technique lies in the low solubility of the usual polymers (polyethylene, polypropylene, polyamide, etc.) requiring the use of specific solvents and to solutions and analyzes at high temperatures (&gt;140\u00b0C). This is what our new equipment allows. Photo 1: Training in the use of the SEC equipment In addition, we have also equipped ourselves with high pressure liquid chromatography (HPLC) equipment which will allow us to follow the evolution of the level of stabilizers during photoaging tests. Photo 2: Gradient liquid chromatography apparatus<\/p>\n","protected":false},"author":1,"featured_media":21378,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[132],"class_list":["post-21370","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Acquisition of a size-exclusion chromatography (SEC) - CNEP International<\/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:\/\/www.cnep-fr.com\/en\/blog\/2023\/01\/13\/acquisition-of-a-size-exclusion-chromatography-sec\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Acquisition of a size-exclusion chromatography (SEC) - CNEP International\" \/>\n<meta property=\"og:description\" content=\"Acquisition of a size-exclusion chromatography (SEC) equipment Exposure of polymers to UV radiation can cause chain breaks and therefore a decrease in molecular weights. The CNEP has just acquired equipment for size-exclusion chromatography (SEC) in order to characterize this evolution of the distribution of molecular masses. One of the difficulties often encountered for this technique lies in the low solubility of the usual polymers (polyethylene, polypropylene, polyamide, etc.) requiring the use of specific solvents and to solutions and analyzes at high temperatures (&gt;140\u00b0C). This is what our new equipment allows. Photo 1: Training in the use of the SEC equipment In addition, we have also equipped ourselves with high pressure liquid chromatography (HPLC) equipment which will allow us to follow the evolution of the level of stabilizers during photoaging tests. Photo 2: Gradient liquid chromatography apparatus\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cnep-fr.com\/en\/blog\/2023\/01\/13\/acquisition-of-a-size-exclusion-chromatography-sec\/\" \/>\n<meta property=\"og:site_name\" content=\"CNEP International\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-13T06:58:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-13T07:08:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cnep-fr.com\/en\/wp-content\/uploads\/sites\/7\/G7820A_1260_Infinity_II_HT_GPC_w_G7110B_F_04_ZC069_zoomtb.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"320\" \/>\n\t<meta property=\"og:image:height\" content=\"320\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"R\u00e9gis Berchet\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"R\u00e9gis Berchet\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/blog\\\/2023\\\/01\\\/13\\\/acquisition-of-a-size-exclusion-chromatography-sec\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/blog\\\/2023\\\/01\\\/13\\\/acquisition-of-a-size-exclusion-chromatography-sec\\\/\"},\"author\":{\"name\":\"R\u00e9gis Berchet\",\"@id\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/#\\\/schema\\\/person\\\/cbba52b0b3683d9f101b699fb7df81e9\"},\"headline\":\"Acquisition of a size-exclusion chromatography (SEC)\",\"datePublished\":\"2023-01-13T06:58:10+00:00\",\"dateModified\":\"2023-01-13T07:08:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/blog\\\/2023\\\/01\\\/13\\\/acquisition-of-a-size-exclusion-chromatography-sec\\\/\"},\"wordCount\":141,\"publisher\":{\"@id\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/blog\\\/2023\\\/01\\\/13\\\/acquisition-of-a-size-exclusion-chromatography-sec\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/wp-content\\\/uploads\\\/sites\\\/7\\\/G7820A_1260_Infinity_II_HT_GPC_w_G7110B_F_04_ZC069_zoomtb.jpg\",\"keywords\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/blog\\\/2023\\\/01\\\/13\\\/acquisition-of-a-size-exclusion-chromatography-sec\\\/\",\"url\":\"https:\\\/\\\/www.cnep-fr.com\\\/en\\\/blog\\\/2023\\\/01\\\/13\\\/acquisition-of-a-size-exclusion-chromatography-sec\\\/\",\"name\":\"Acquisition of a size-exclusion chromatography (SEC) - 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CNEP International","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.cnep-fr.com\/en\/blog\/2023\/01\/13\/acquisition-of-a-size-exclusion-chromatography-sec\/","og_locale":"en_US","og_type":"article","og_title":"Acquisition of a size-exclusion chromatography (SEC) - CNEP International","og_description":"Acquisition of a size-exclusion chromatography (SEC) equipment Exposure of polymers to UV radiation can cause chain breaks and therefore a decrease in molecular weights. The CNEP has just acquired equipment for size-exclusion chromatography (SEC) in order to characterize this evolution of the distribution of molecular masses. One of the difficulties often encountered for this technique lies in the low solubility of the usual polymers (polyethylene, polypropylene, polyamide, etc.) requiring the use of specific solvents and to solutions and analyzes at high temperatures (&gt;140\u00b0C). This is what our new equipment allows. Photo 1: Training in the use of the SEC equipment In addition, we have also equipped ourselves with high pressure liquid chromatography (HPLC) equipment which will allow us to follow the evolution of the level of stabilizers during photoaging tests. 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