{"id":41004,"date":"2024-07-24T19:09:05","date_gmt":"2024-07-24T17:09:05","guid":{"rendered":"https:\/\/www.linseis.com\/proprietes\/changement-de-masse\/"},"modified":"2024-12-13T07:23:37","modified_gmt":"2024-12-13T06:23:37","slug":"changement-de-masse","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/fr\/proprietes\/changement-de-masse\/","title":{"rendered":"Changement de masse"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"41004\" class=\"elementor elementor-41004 elementor-20437\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3549cf e-flex e-con-boxed e-con e-parent\" data-id=\"a3549cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac41c94 elementor-widget elementor-widget-image\" data-id=\"ac41c94\" 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\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-top-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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<div class=\"elementor-element elementor-element-a7b7feb e-con-full e-flex e-con e-child\" data-id=\"a7b7feb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6100945 e-con-full e-flex e-con e-child\" data-id=\"6100945\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc1182c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"cc1182c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\"><b>Changement de masse<\/b><\/h1>\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-6d91a43 e-con-full e-flex e-con e-child\" data-id=\"6d91a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9413374 elementor-widget elementor-widget-n-carousel\" data-id=\"9413374\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Produkt 1&quot;,&quot;_id&quot;:&quot;d6fbcdb&quot;}],&quot;slides_to_show&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;2&quot;,&quot;autoplay_speed&quot;:2000,&quot;slides_to_show_tablet&quot;:&quot;1&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 sur 1\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-44441f5 e-flex e-con-boxed e-con e-child\" data-id=\"44441f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4103051 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-image\" data-id=\"4103051\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"800\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Masseaenderung-1024x1024.png\" class=\"attachment-large size-large wp-image-21938\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Masseaenderung-1024x1024.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Masseaenderung-300x300.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Masseaenderung-150x150.png 150w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Masseaenderung-768x768.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Masseaenderung-1536x1536.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Masseaenderung-2048x2048.png 2048w\" 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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\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>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a6800 elementor-widget elementor-widget-image\" data-id=\"b4a6800\" 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\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-bottom-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c8d6cc e-flex e-con-boxed e-con e-parent\" data-id=\"7c8d6cc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d7b7522 e-flex e-con-boxed e-con e-parent\" data-id=\"d7b7522\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-449b6fd e-con-full e-flex e-con e-child\" data-id=\"449b6fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-031217d elementor-invisible elementor-widget elementor-widget-wp-widget-bcn_widget\" data-id=\"031217d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"wp-widget-bcn_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"breadcrumbs\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\"><span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Aller \u00e0 Linseis.\" href=\"https:\/\/www.linseis.com\/fr\/\" class=\"home\" aria-current=\"page\"><span property=\"name\">Linseis<\/span><\/a><meta property=\"position\" content=\"1\"><\/span><\/div>\t\t\t\t<\/div>\n\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<div class=\"elementor-element elementor-element-ed98f58 e-flex e-con-boxed e-con e-parent\" data-id=\"ed98f58\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bbc47b3 e-con-full e-flex e-con e-child\" data-id=\"bbc47b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-71a1ec4 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"71a1ec4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" 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<h2>Changement de masse [\u03bcg] dans l&rsquo;analyse thermique<\/h2>\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-32d9053 elementor-widget elementor-widget-text-editor\" data-id=\"32d9053\" 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><strong>La masse est une grandeur physique fondamentale pour d\u00e9terminer une quantit\u00e9 de substance<\/strong>.<\/p><p>Dans le contexte de cette taille, les propri\u00e9t\u00e9s d&rsquo;inertie et de gravit\u00e9 sont d\u00e9finies.<br \/>L&rsquo;inertie signifie qu&rsquo;une force ext\u00e9rieure est n\u00e9cessaire pour changer la direction ou la vitesse du mouvement d&rsquo;un corps.<\/p><p>La gravit\u00e9 est le r\u00e9sultat de l&rsquo;attraction de masse des corps (gravitation).<br \/>L&rsquo;unit\u00e9 de mesure de la masse est le kilogramme [kg].<\/p><section class=\"container\"><div class=\"row\"><div class=\"spb_content_element col-sm-6 spb_text_column\"><div class=\"spb_wrapper clearfix\"><p>La d\u00e9termination de la masse s&rsquo;effectue par pes\u00e9e. <strong>Une balance est utilis\u00e9e pour d\u00e9terminer le poids d&rsquo;une substance qui r\u00e9sulte du poids et est proportionnel \u00e0 la masse<\/strong>.<br \/>L&rsquo;unit\u00e9 de mesure du poids est le newton [N].<br \/>Dans l&rsquo;usage courant, cette relation est souvent n\u00e9glig\u00e9e et le terme poids est utilis\u00e9 pour d\u00e9signer la masse.<\/p><p><strong>L&rsquo;analyse <a href=\"https:\/\/www.linseis.com\/fr\/produits\/analyse-thermique\/tga-thermogravimetrie\/\">thermogravim\u00e9trique<\/a> d\u00e9termine le changement de masse d&rsquo;un \u00e9chantillon ou d&rsquo;un mat\u00e9riau pendant le chauffage ou le refroidissement.<\/strong> Le r\u00e9sultat est \u00e9galement appel\u00e9 variation de masse ou variation de poids et est g\u00e9n\u00e9ralement <strong>exprim\u00e9 en microgrammes [\u03bcg]<\/strong>.<br \/>La d\u00e9termination de la variation de masse est effectu\u00e9e \u00e0 l&rsquo;aide d&rsquo;une thermobalance.<\/p><p>La thermobalance se compose d&rsquo;un four avec un contr\u00f4le pr\u00e9cis de la temp\u00e9rature, d&rsquo;une balance \u00e9lectrique tr\u00e8s pr\u00e9cise, de conduites d&rsquo;alimentation pour les gaz n\u00e9cessaires et d&rsquo;unit\u00e9s d&rsquo;\u00e9valuation pour le traitement des valeurs mesur\u00e9es.<\/p><\/div><\/div><\/div><\/section>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3473d73 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"3473d73\" 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-11f930b elementor-invisible elementor-widget elementor-widget-image\" data-id=\"11f930b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"1920\" height=\"916\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Masseaenderung-Waage.png\" class=\"attachment-2048x2048 size-2048x2048 wp-image-20460\" alt=\"Masse\u00e4nderung Waage\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Masseaenderung-Waage.png 1920w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Masseaenderung-Waage-300x143.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Masseaenderung-Waage-1024x489.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Masseaenderung-Waage-768x366.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Masseaenderung-Waage-1536x733.png 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8801439 e-flex e-con-boxed e-con e-parent\" data-id=\"8801439\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4fda86f e-con-full e-flex e-con e-child\" data-id=\"4fda86f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34d74a1 elementor-widget elementor-widget-text-editor\" data-id=\"34d74a1\" 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>Une autre m\u00e9thode d&rsquo;analyse thermique est l&rsquo;<strong><a href=\"https:\/\/www.linseis.com\/fr\/produits\/sta-simultaneous-thermal-analysis\/\">analyse thermique simultan\u00e9e (STA)<\/a>.<\/strong> Elle permet de d\u00e9terminer simultan\u00e9ment les changements de masse et le<strong> d\u00e9gagement ou la <a href=\"https:\/\/www.linseis.com\/fr\/produits\/dsc-differential-scanning-calorimetry\/\">consommation de chaleur<\/a><\/strong> au cours de l&rsquo;\u00e9volution contr\u00f4l\u00e9e de la temp\u00e9rature.<\/p><p>Le changement de masse est d\u00fb \u00e0 l&rsquo;\u00e9vaporation, \u00e0 la sublimation ou \u00e0 des r\u00e9actions chimiques.<br \/>La chaleur est lib\u00e9r\u00e9e ou consomm\u00e9e lors des r\u00e9actions chimiques et des transformations de phase.<\/p><p>Les valeurs d\u00e9termin\u00e9es constituent une base importante pour le d\u00e9veloppement de mat\u00e9riaux sp\u00e9cifiques dans l&rsquo;industrie automobile. <a href=\"https:\/\/www.linseis.com\/fr\/votre-industrie\/automobile-aviation-aerospatiale\/\"><strong>l&rsquo;industrie automobile<\/strong><\/a>pour l&rsquo;\u00e9tude des <a href=\"https:\/\/www.linseis.com\/fr\/votre-industrie\/cosmetiques-produits-pharmaceutiques-et-aliments\/\"><strong>aliments<\/strong><\/a> ainsi que pour le d\u00e9veloppement de produits et l&rsquo;assurance qualit\u00e9 dans l&rsquo;industrie pharmaceutique et chimique. <a href=\"https:\/\/www.linseis.com\/fr\/votre-industrie\/chimique\/\"><strong>pharmaceutiques et chimiques<\/strong><\/a>.<\/p>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Changement de masse Changement de masse [\u03bcg] dans l&rsquo;analyse thermique La masse est une grandeur physique fondamentale pour d\u00e9terminer une quantit\u00e9 de substance. Dans le contexte de cette taille, les propri\u00e9t\u00e9s d&rsquo;inertie et de gravit\u00e9 sont d\u00e9finies.L&rsquo;inertie signifie qu&rsquo;une force ext\u00e9rieure est n\u00e9cessaire pour changer la direction ou la vitesse du mouvement d&rsquo;un corps. La [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":40990,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-41004","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/41004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=41004"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/41004\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/40990"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=41004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}