{"id":41353,"date":"2024-07-17T16:21:46","date_gmt":"2024-07-17T14:21:46","guid":{"rendered":"https:\/\/www.linseis.com\/spectroscopie-raman-avec-dsc\/"},"modified":"2025-08-07T07:51:09","modified_gmt":"2025-08-07T05:51:09","slug":"spectroscopie-raman-avec-dsc","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/fr\/connaissance\/spectroscopie-raman-avec-dsc\/","title":{"rendered":"Spectroscopie Raman avec la DSC"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"41353\" class=\"elementor elementor-41353 elementor-10059\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eb8745 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"9eb8745\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-71f7c74 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"71f7c74\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Aucun titre n\\u2019a \\u00e9t\\u00e9 trouv\\u00e9 sur cette page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__71f7c74\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__71f7c74\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__71f7c74\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a9139e elementor-widget elementor-widget-heading\" data-id=\"8a9139e\" 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\">D\u00e9finition scientifique de la spectroscopie Raman<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffaef65 elementor-widget elementor-widget-text-editor\" data-id=\"ffaef65\" 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\t<p>La spectroscopie Raman est une technique permettant d&rsquo;\u00e9tudier les mol\u00e9cules et de d\u00e9terminer leur structure et leur dynamique.<br \/>\nElle utilise la diffusion de la lumi\u00e8re induite par l&rsquo;excitation pour \u00e9tudier les liaisons chimiques dans un \u00e9chantillon.<br \/>\nCette technique est utile pour comprendre les structures et la dynamique des mol\u00e9cules en phase solide, liquide et gazeuse.  <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bf193d elementor-widget elementor-widget-heading\" data-id=\"5bf193d\" 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\">Qu'est-ce que la spectroscopie Raman ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-549c7d2 e-con-full e-flex e-con e-child\" data-id=\"549c7d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-deb7776 e-con-full e-flex e-con e-child\" data-id=\"deb7776\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42ad8d9 elementor-widget elementor-widget-text-editor\" data-id=\"42ad8d9\" 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\t<p>Raman est une technique qui permet de d\u00e9terminer les mol\u00e9cules et les liaisons des cha\u00eenes mol\u00e9culaires.<br \/>\nCe type de spectroscopie est particuli\u00e8rement utile car il permet de <strong>mesurer directement la composition chimique<\/strong> sans avoir \u00e0 d\u00e9composer un \u00e9chantillon.<br \/>\nLa spectroscopie Raman est une <strong>technique<\/strong> <strong>non invasive<\/strong> qui offre une pr\u00e9cision et une r\u00e9p\u00e9tabilit\u00e9 \u00e9lev\u00e9es.<br \/>\nLa pr\u00e9cision et la rapidit\u00e9 des mesures analytiques permettent aux scientifiques et aux experts de laboratoire d&rsquo;analyser rapidement et efficacement un large \u00e9ventail de substances et de d\u00e9terminer ainsi rapidement et pr\u00e9cis\u00e9ment la composition chimique d&rsquo;un \u00e9chantillon.    Gr\u00e2ce \u00e0 cette m\u00e9thode de mesure, il est notamment possible de r\u00e9aliser <strong>des analyses<\/strong> <strong>qualitatives<\/strong> <strong>et<\/strong> <strong>quantitatives<\/strong> <strong>dans le cadre de<\/strong> <strong>la recherche<\/strong>, de <strong>l&rsquo;<\/strong> <strong>utilisation<\/strong> <strong>industrielle<\/strong> <strong>et<\/strong> <strong>du<\/strong> <strong>diagnostic<\/strong> <strong>m\u00e9dical<\/strong>. Elle est \u00e9galement tr\u00e8s utile pour la <strong>stabilit\u00e9<\/strong> <strong>des<\/strong> <strong>mat\u00e9riaux, la<\/strong> <strong>surveillance des processus,<\/strong> <strong>le<\/strong> <strong>contr\u00f4le qualit\u00e9<\/strong> <strong>et<\/strong> <strong>l&rsquo;<\/strong> <strong>identification des \u00e9chantillons<\/strong>.<\/p><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d979668 e-con-full e-flex e-con e-child\" data-id=\"d979668\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2007eb7 elementor-widget elementor-widget-image\" data-id=\"2007eb7\" 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\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Raman-Spektrometer-1800x1200-2-1024x683.jpg\" class=\"attachment-large size-large wp-image-14503\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Raman-Spektrometer-1800x1200-2-1024x683.jpg 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Raman-Spektrometer-1800x1200-2-300x200.jpg 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Raman-Spektrometer-1800x1200-2-768x512.jpg 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Raman-Spektrometer-1800x1200-2-1536x1024.jpg 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Raman-Spektrometer-1800x1200-2.jpg 1800w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a04fb3 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7a04fb3\" 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\" width=\"800\" height=\"327\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-1-Raman-DSC-1024x418.png\" class=\"attachment-large size-large wp-image-10081\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-1-Raman-DSC-1024x418.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-1-Raman-DSC-300x123.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-1-Raman-DSC-768x314.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-1-Raman-DSC-1536x628.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-1-Raman-DSC.png 1603w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 1[publicspectra.com, publicspectra.com\/SpectralSearch. access : 20 ao\u00fbt 2020]<\/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<div class=\"elementor-element elementor-element-f3a894e elementor-widget elementor-widget-text-editor\" data-id=\"f3a894e\" 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\t<p>Un spectrom\u00e8tre Raman mesure la lumi\u00e8re diffus\u00e9e Raman qui se produit lorsque la lumi\u00e8re interagit avec un mat\u00e9riau.<br \/>\nCette <strong>diffusion<\/strong> <strong>modifie<\/strong> <strong>la<\/strong> <strong>longueur d&rsquo;onde<\/strong> de la lumi\u00e8re incidente et fournit des informations sur les liaisons chimiques au sein d&rsquo;un mat\u00e9riau. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c06faa4 elementor-widget elementor-widget-heading\" data-id=\"c06faa4\" 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\">Domaines d'application de la spectroscopie Raman<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf2488b elementor-widget elementor-widget-text-editor\" data-id=\"bf2488b\" 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\t<p>La spectroscopie Raman permet de mesurer de nombreux mat\u00e9riaux diff\u00e9rents, tels que les compos\u00e9s organiques, les polym\u00e8res et certains min\u00e9raux.<br \/>\nLa spectroscopie Raman est particuli\u00e8rement utile pour \u00e9tudier des \u00e9chantillons qui <strong>ne fournissent<\/strong> qu&rsquo;une <strong>faible<\/strong> <strong>quantit\u00e9<\/strong> <strong>d<\/strong> <strong>&lsquo;informations<\/strong>, car la technique fournit des informations non seulement sur la structure chimique, mais aussi sur l&rsquo;arrangement spatial des mol\u00e9cules (c&rsquo;est-\u00e0-dire la structure cristalline).<br \/>\nUn autre avantage est que la spectroscopie Raman est tr\u00e8s sensible et <strong>peut<\/strong> <strong>mettre<\/strong> <strong>en \u00e9vidence<\/strong> m\u00eame <strong>de petits<\/strong> <strong>changements<\/strong> <strong>dans les<\/strong> <strong>mol\u00e9cules de l&rsquo;\u00e9chantillon<\/strong>.   Cette technique permet \u00e9galement <strong>de<\/strong> <strong>mesurer les<\/strong> <strong>impuret\u00e9s<\/strong> <strong>et<\/strong> <strong>les compos\u00e9s traces<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0ff163 elementor-widget elementor-widget-spacer\" data-id=\"f0ff163\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb2855d elementor-widget elementor-widget-spacer\" data-id=\"bb2855d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-560387d elementor-widget elementor-widget-text-editor\" data-id=\"560387d\" 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\t<p>La spectroscopie Raman peut mesurer diff\u00e9rentes <strong>liaisons de cha\u00eenes mol\u00e9culaires<\/strong>, comme par ex :<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33e87a9 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"33e87a9\" 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\t<ul>\n<li>Liaisons <strong>C-C<\/strong> (carbone-carbone) dans les compos\u00e9s organiques<\/li>\n<li>Liaisons <strong>C-O<\/strong> (carbone-oxyg\u00e8ne) dans les groupes carbonyle<\/li>\n<li>Liaisons <strong>N-H<\/strong> (azote-hydrog\u00e8ne) dans les amides<\/li>\n<li>Liaisons <strong>S-O<\/strong> (soufre-oxyg\u00e8ne) dans les thiols<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5de8759 elementor-widget elementor-widget-spacer\" data-id=\"5de8759\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73830fe elementor-widget elementor-widget-text-editor\" data-id=\"73830fe\" 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\t  Elle est utilis\u00e9e dans une grande vari\u00e9t\u00e9 d&rsquo;applications, y compris :\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7525fc8 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"7525fc8\" 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\t<ul>\n<li>Contr\u00f4le qualit\u00e9 dans l&rsquo;industrie pharmaceutique et chimique<\/li>\n<li>Identification de mat\u00e9riaux en arch\u00e9ologie, histoire de l&rsquo;art et criminalistique<\/li>\n<li>Analyse des solides et des liquides dans la science des mat\u00e9riaux<\/li>\n<li>Surveillance des processus dans le domaine de l&rsquo;\u00e9nergie et de l&rsquo;environnement<\/li>\n<li>Examen d&rsquo;\u00e9chantillons biologiques dans la recherche en sciences de la vie.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-871a1e7 elementor-widget elementor-widget-heading\" data-id=\"871a1e7\" 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\">Structure d'un spectrom\u00e8tre Raman<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0663ce9 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"0663ce9\" 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\t<p>Un spectrom\u00e8tre Raman se compose des \u00e9l\u00e9ments principaux suivants :<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d993a39 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"d993a39\" 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\t<ul>\n<li><span style=\"text-decoration: underline;\">Source de lumi\u00e8re<\/span>:\n<ul>\n<li>fournit la lumi\u00e8re incidente, g\u00e9n\u00e9ralement un syst\u00e8me laser.<\/li>\n<\/ul>\n<\/li>\n<li><span style=\"text-decoration: underline;\">Composants optiques :<\/span>\n<ul>\n<li>comme les lentilles et les miroirs, pour diriger la lumi\u00e8re vers l&rsquo;\u00e9chantillon et recueillir la lumi\u00e8re Raman diffus\u00e9e.<\/li>\n<\/ul>\n<\/li>\n<li><span style=\"text-decoration: underline;\">Support d&rsquo;\u00e9chantillon<\/span>:\n<ul>\n<li>tient le mat\u00e9riel \u00e0 examiner.<\/li>\n<\/ul>\n<\/li>\n<li><span style=\"text-decoration: underline;\">D\u00e9tecteur<\/span>:\n<ul>\n<li>mesure la lumi\u00e8re diffus\u00e9e par l&rsquo;\u00e9chantillon et la convertit en signaux \u00e9lectriques.<\/li>\n<\/ul>\n<\/li>\n<li><span style=\"text-decoration: underline;\">Composants \u00e9lectroniques :<\/span>\n<ul>\n<li>tels que les amplificateurs et les analyseurs, pour traiter les signaux et produire les spectres Raman.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80d22bb elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"80d22bb\" 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\t\t\t<img decoding=\"async\" width=\"800\" height=\"214\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-2-Raman-DSC-1024x274.png\" class=\"attachment-large size-large wp-image-10097\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-2-Raman-DSC-1024x274.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-2-Raman-DSC-300x80.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-2-Raman-DSC-768x206.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-2-Raman-DSC.png 1472w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4425c82 elementor-widget elementor-widget-heading\" data-id=\"4425c82\" 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\">Possibilit\u00e9 de combinaison : DSC et spectrom\u00e8tre Raman  <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3112811 elementor-widget elementor-widget-text-editor\" data-id=\"3112811\" 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\t<p>Gr\u00e2ce \u00e0 <strong>une<\/strong> <strong>acquisition de donn\u00e9es<\/strong> <strong>plus efficace<\/strong> et \u00e0 la miniaturisation, les spectrom\u00e8tres Raman sont devenus beaucoup plus abordables.<br \/>\nC&rsquo;est pourquoi la combinaison de cette m\u00e9thode avec d&rsquo;autres moyens est devenue de plus en plus \u00e9conomique au cours des derni\u00e8res ann\u00e9es. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe69abb elementor-widget elementor-widget-spacer\" data-id=\"fe69abb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b923f0 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"3b923f0\" 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\t<p>Par exemple, un spectrom\u00e8tre Raman peut \u00eatre associ\u00e9 \u00e0 une <a href=\"https:\/\/www.linseis.com\/fr\/produits\/dsc-differential-scanning-calorimetry\/\"><strong>DSC (calorim\u00e8tre diff\u00e9rentiel \u00e0 balayage)<\/strong><\/a> peut \u00eatre coupl\u00e9.<br \/>De cette mani\u00e8re, il est possible de mesurer simultan\u00e9ment les <a href=\"https:\/\/www.linseis.com\/fr\/proprietes\/enthalpie\/\"><strong>les effets enthalpiques<\/strong><\/a> d&rsquo;une mesure d&rsquo;\u00e9chantillon et d&rsquo;enregistrer le spectre Raman afin d&rsquo;obtenir, entre autres, des informations sur les liaisons des cha\u00eenes mol\u00e9culaires et sur la composition chimique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7243c2 elementor-widget elementor-widget-spacer\" data-id=\"f7243c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3baa2d elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"c3baa2d\" 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\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"551\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-3-Raman-DSC.png\" class=\"attachment-large size-large wp-image-10104\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-3-Raman-DSC.png 953w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-3-Raman-DSC-300x207.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-3-Raman-DSC-768x529.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04f862c elementor-widget elementor-widget-heading\" data-id=\"04f862c\" 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\">Votre industrie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e46db8 elementor-widget elementor-widget-text-editor\" data-id=\"8e46db8\" 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\t<p>Cela peut \u00eatre un avantage dans une vari\u00e9t\u00e9 d&rsquo;applications de <strong>d\u00e9veloppement de mat\u00e9riaux et de processus<\/strong>, comme la caract\u00e9risation des polym\u00e8res, des solides, des mat\u00e9riaux de batterie et des \u00e9chantillons biologiques.<\/p>\n<p>Par exemple, un simple processus de chauffage d&rsquo;un<a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/polyethylene-terephtalate-pet-une-enquete-approfondie\/\"><strong> PET (poly\u00e9thyl\u00e8ne t\u00e9r\u00e9phtalate)<\/strong><\/a> a diff\u00e9rents effets thermiques, tels que le point vitreux (~80 \u00b0C), la recristallisation (~150 \u00b0C) et la fusion de l&rsquo;\u00e9chantillon (~250 \u00b0C).<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0bbe709 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"0bbe709\" 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\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"230\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-4-Raman-DSC-1024x295.png\" class=\"attachment-large size-large wp-image-10114\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-4-Raman-DSC-1024x295.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-4-Raman-DSC-300x86.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-4-Raman-DSC-768x221.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-4-Raman-DSC.png 1334w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7262b42 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"7262b42\" 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\t<p>La spectroscopie Raman permet de d\u00e9tecter l&rsquo;origine de ces effets \u00e0 partir du spectre Raman, par exemple \u00e0 travers la <strong>cristallinit\u00e9<\/strong>:<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0f0ab4d elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"0f0ab4d\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"370\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-5-Raman-DSC-1024x474.png\" class=\"attachment-large size-large wp-image-10124\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-5-Raman-DSC-1024x474.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-5-Raman-DSC-300x139.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-5-Raman-DSC-768x356.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-5-Raman-DSC.png 1047w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 3 spectroscopyonline.com, 2D COS of Temperature-Dependent Raman Spectra of Amorphous, Nonoriented Polyethylene Terephthalate to Separate Molecular Conformational Changes from True Crystallization] (bleu = faible cristallinit\u00e9, rouge= haute cristallinit\u00e9)<\/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<div class=\"elementor-element elementor-element-df5ca67 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"df5ca67\" 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\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"419\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-6-Raman-DSC-1024x536.png\" class=\"attachment-large size-large wp-image-10134\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-6-Raman-DSC-1024x536.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-6-Raman-DSC-300x157.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-6-Raman-DSC-768x402.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Abbildung-6-Raman-DSC.png 1327w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-283f1a6 elementor-widget elementor-widget-spacer\" data-id=\"283f1a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La spectroscopie Raman est une technique permettant d&rsquo;\u00e9tudier les mol\u00e9cules et de d\u00e9terminer leur structure et leur dynamique.<\/p>\n","protected":false},"author":3,"featured_media":10063,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[187],"tags":[],"class_list":["post-41353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-connaissance"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=41353"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41353\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media\/10063"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=41353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/categories?post=41353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/tags?post=41353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}