{"id":1043582,"date":"2025-06-23T15:23:49","date_gmt":"2025-06-23T07:23:49","guid":{"rendered":"https:\/\/vimaterial.de\/lethoxyde-de-tantale-lor-liquide-ultime-en-laboratoire\/"},"modified":"2025-07-24T10:31:46","modified_gmt":"2025-07-24T02:31:46","slug":"lethoxyde-de-tantale-lor-liquide-ultime-en-laboratoire","status":"publish","type":"post","link":"https:\/\/vimaterial.de\/fr\/lethoxyde-de-tantale-lor-liquide-ultime-en-laboratoire\/","title":{"rendered":"L\u2019\u00e9thoxyde de tantale &#8211; l\u2019or liquide ultime en laboratoire ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1043582\" class=\"elementor elementor-1043582 elementor-1043539\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5f5a7b7 e-flex e-con-boxed e-con e-parent\" data-id=\"5f5a7b7\" 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-2a5fd11 elementor-widget elementor-widget-text-editor\" data-id=\"2a5fd11\" 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>L\u2019\u00e9thoxyde de tantale, \u00e9galement connu sous le nom <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/vimaterial.de\/fr\/product\/pentoxyde-de-niobium-copy-2\/\">d\u2019\u00e9thoxyde de tantale(V<\/a><\/span>), est un compos\u00e9 organom\u00e9tallique de formule mol\u00e9culaire C\u2081\u2080H\u2082\u2082O\u2085Ta et d\u2019un poids mol\u00e9culaire de 406,2901. Il existe g\u00e9n\u00e9ralement sous forme liquide et poss\u00e8de des propri\u00e9t\u00e9s physiques et chimiques sp\u00e9cifiques. Un param\u00e8tre important est sa densit\u00e9, qui d\u00e9crit la masse par unit\u00e9 de volume d\u2019une substance. Pour l\u2019\u00e9thoxyde de tantale, la densit\u00e9 est de 1,566 g\/cm<sup>3<\/sup>.   <\/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-14ef84a elementor-widget elementor-widget-image\" data-id=\"14ef84a\" 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=\"600\" src=\"https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u9898.png\" class=\"attachment-large size-large wp-image-1043542\" alt=\"Tantalum Ethoxide - VIMATERIAL\" srcset=\"https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u9898.png 800w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u9898-300x225.png 300w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u9898-768x576.png 768w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u9898-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\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-74e917e elementor-widget elementor-widget-heading\" data-id=\"74e917e\" 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\">Propri\u00e9t\u00e9s physiques et chimiques de l\u2019\u00e9thoxyde de tantale<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15f5ea0 elementor-widget elementor-widget-text-editor\" data-id=\"15f5ea0\" 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>Apparence&nbsp;: Liquide visqueux incolore ou jaune p\u00e2le<\/p><p>Formule mol\u00e9culaire : C\u2081\u2080H\u2082\u2085O\u2085Ta<\/p><p>Poids mol\u00e9culaire : 406.2901 (ou 406.25, selon la source)<\/p><p>Point de fusion : 21 \u00b0C (certaines sources signalent -4 \u00b0C, ce qui peut \u00eatre li\u00e9 \u00e0 la forme sp\u00e9cifique ou \u00e0 la puret\u00e9 du compos\u00e9)<\/p><p>Point d\u2019\u00e9bullition : 155 \u00b0C (\u00e0 0,01 mmHg)<\/p><p>Densit\u00e9 : 1,566 g\/cm\u00b3 (ou 1,46 g\/cm\u00b3, les valeurs peuvent varier l\u00e9g\u00e8rement d\u2019une source \u00e0 l\u2019autre)<\/p><p>Indice de r\u00e9fraction : 1,487<\/p><p>Point d\u2019\u00e9clair : 30 \u00b0C (ou 87 \u00b0F, selon la m\u00e9thode de test)<\/p><p>Solubilit\u00e9 : Soluble dans les solvants organiques ; insoluble dans l\u2019eau, mais se d\u00e9compose au contact de l\u2019eau<\/p><p>Inflammabilit\u00e9 : L\u2019\u00e9thoxyde de tantale est un produit chimique inflammable qui peut s\u2019enflammer spontan\u00e9ment dans l\u2019air et r\u00e9agir violemment avec les agents oxydants<\/p><p>Sensibilit\u00e9 : Sensible \u00e0 l\u2019humidit\u00e9 et \u00e0 l\u2019air ; r\u00e9agit facilement avec l\u2019eau ou l\u2019humidit\u00e9 atmosph\u00e9rique.<\/p>\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-69a7fc1 e-flex e-con-boxed e-con e-parent\" data-id=\"69a7fc1\" 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-1280bcd elementor-widget elementor-widget-heading\" data-id=\"1280bcd\" 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\">Importance de la densit\u00e9 de l\u2019\u00e9thoxyde de tantale(V)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e12135 elementor-widget elementor-widget-text-editor\" data-id=\"1e12135\" 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>Comprendre la densit\u00e9 de l \u00ab \u00e9thoxyde de tantale est crucial pour les chercheurs et les fabricants industriels. Tout d\u2019abord, les donn\u00e9es de densit\u00e9 aident \u00e0 d\u00e9terminer les exigences spatiales pour le stockage et le transport. Deuxi\u00e8mement, la densit\u00e9 est \u00e9troitement li\u00e9e \u00e0 d\u2019autres propri\u00e9t\u00e9s chimiques telles que la solubilit\u00e9 et la r\u00e9activit\u00e9. De plus, lors de la pr\u00e9paration et de l\u2019application de l \u00bb \u00e9thoxyde de tantale, des informations pr\u00e9cises sur la densit\u00e9 permettent une formulation pr\u00e9cise et un contr\u00f4le du processus.   <\/p>\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-d45660d e-flex e-con-boxed e-con e-parent\" data-id=\"d45660d\" 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-ebe3664 elementor-widget elementor-widget-heading\" data-id=\"ebe3664\" 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\">Quelles sont les applications de l\u2019\u00e9thoxyde de tantale<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e05dedb elementor-widget elementor-widget-text-editor\" data-id=\"e05dedb\" 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>L \u00ab \u00e9thoxyde de tantale(V) a un large \u00e9ventail d\u2019applications dans divers domaines. Dans l\u2019industrie \u00e9lectronique, il sert de pr\u00e9curseur pour la pr\u00e9paration de films minces de tantale et de nitrure de tantale, qui sont connus pour leurs excellentes propri\u00e9t\u00e9s de barri\u00e8re dans les dispositifs \u00e0 semi-conducteurs. De plus, l \u00bb \u00e9thoxyde de tantale peut \u00eatre utilis\u00e9 pour synth\u00e9tiser d\u2019autres compos\u00e9s organotantales, qui ont des applications potentielles dans les catalyseurs, les rev\u00eatements et les mat\u00e9riaux c\u00e9ramiques.  <\/p>\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-aca0714 e-flex e-con-boxed e-con e-parent\" data-id=\"aca0714\" 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-47d5d61 elementor-widget elementor-widget-heading\" data-id=\"47d5d61\" 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\">Spectre FTIR de l\u2019\u00e9thoxyde de tantale<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e50870 elementor-widget elementor-widget-image\" data-id=\"6e50870\" 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=\"347\" src=\"https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/FT-IR-1024x444.png\" class=\"attachment-large size-large wp-image-1043547\" alt=\"FT-IR of\" srcset=\"https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/FT-IR-1024x444.png 1024w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/FT-IR-300x130.png 300w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/FT-IR-768x333.png 768w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/FT-IR-600x260.png 600w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/FT-IR.png 1218w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\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-20378d5 e-flex e-con-boxed e-con e-parent\" data-id=\"20378d5\" 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-bfa083d elementor-widget elementor-widget-heading\" data-id=\"bfa083d\" 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\">M\u00e9thodes de synth\u00e8se de l\u2019\u00e9thoxyde de tantale<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7f99eb elementor-widget elementor-widget-heading\" data-id=\"c7f99eb\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Conversion du chlorure<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0cafbb elementor-widget elementor-widget-text-editor\" data-id=\"a0cafbb\" 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>Il s\u2019agit d\u2019une m\u00e9thode couramment utilis\u00e9e, bien qu\u2019elle n\u00e9cessite un contr\u00f4le strict du processus. Le mat\u00e9riau de d\u00e9part, le pentachlorure de tantale, et le produit, l \u00ab \u00e9thoxyde de tantale, sont tr\u00e8s r\u00e9actifs avec l\u2019humidit\u00e9 de l\u2019air. La r\u00e9action est hautement exothermique et g\u00e9n\u00e8re une grande quantit\u00e9 de chlorure d\u2019hydrog\u00e8ne, qui est tr\u00e8s corrosif pour l \u00bb \u00e9quipement.  <\/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-05e2a0c elementor-widget elementor-widget-heading\" data-id=\"05e2a0c\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Anode \u00ab &nbsp;sacrificielle&nbsp; \u00bb<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f0bc93 elementor-widget elementor-widget-text-editor\" data-id=\"3f0bc93\" 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 approche implique la synth\u00e8se \u00e9lectrochimique de l\u2019\u00e9thoxyde de tantale \u00e0 l\u2019aide d\u2019une anode de tantale \u00ab sacrificielle \u00bb. Des \u00e9tudes exp\u00e9rimentales ont examin\u00e9 les effets des types et des concentrations d\u2019additifs, de la temp\u00e9rature de l\u2019\u00e9lectrolyte, de l\u2019espacement des \u00e9lectrodes et de la <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/en.wikipedia.org\/wiki\/Current_density\" rel=\"nofollow noopener\" target=\"_blank\">densit\u00e9 de courant<\/a><\/span> sur le processus de synth\u00e8se. Les conditions optimales ont \u00e9t\u00e9 d\u00e9termin\u00e9es comme suit : 0,04 mol\/L de chlorure de t\u00e9tram\u00e9thylammonium, \u00e9lectrolyte \u00e0 la temp\u00e9rature d\u2019\u00e9bullition, espacement des \u00e9lectrodes d\u2019environ 2 cm et densit\u00e9 de courant de 220 A\/m\u00b2. Le compos\u00e9 cible, l\u2019\u00e9thoxyde de tantale, est obtenu par distillation atmosph\u00e9rique et sous vide du m\u00e9lange d\u2019\u00e9lectrolytes r\u00e9sultant. La synth\u00e8se \u00e9lectrochimique atteint un rendement de courant de plus de 95 %, avec un taux de r\u00e9cup\u00e9ration par distillation du tantale de 82,8 %.    <\/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-ef47d9a elementor-widget elementor-widget-image\" data-id=\"ef47d9a\" 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=\"600\" height=\"436\" src=\"https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u98982-1.png\" class=\"attachment-large size-large wp-image-1043557\" alt=\"Tantalum Ethoxide(V) - VIMATERIAL\" srcset=\"https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u98982-1.png 600w, https:\/\/vimaterial.de\/wp-content\/uploads\/2025\/06\/\u65e0\u6807\u98982-1-300x218.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" title=\"\">\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-63e0ba2 e-flex e-con-boxed e-con e-parent\" data-id=\"63e0ba2\" 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-ba4b894 elementor-widget elementor-widget-heading\" data-id=\"ba4b894\" 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\">S\u00e9curit\u00e9 et stockage de l\u2019\u00e9thoxyde de tantale<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cdcb88 elementor-widget elementor-widget-text-editor\" data-id=\"9cdcb88\" 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>En raison de son inflammabilit\u00e9 et de sa sensibilit\u00e9 \u00e0 l\u2019humidit\u00e9, des pr\u00e9cautions de s\u00e9curit\u00e9 particuli\u00e8res doivent \u00eatre prises lors du stockage et de la manipulation de l\u2019\u00e9thoxyde de tantale. Pendant le transport, le stockage et l\u2019utilisation, des mesures strictes doivent \u00eatre mises en \u0153uvre pour prot\u00e9ger \u00e0 la fois le personnel et l\u2019environnement. Les op\u00e9rateurs doivent porter un \u00e9quipement de protection appropri\u00e9 et s\u2019assurer que la zone de travail est bien ventil\u00e9e, en \u00e9vitant les sources de chaleur et les \u00e9tincelles.  <\/p><p>L \u00ab \u00e9thoxyde de tantale doit \u00eatre stock\u00e9 dans un endroit frais, ventil\u00e9 et sec, \u00e0 l\u2019abri des flammes nues et des agents oxydants. Des inspections r\u00e9guli\u00e8res des conteneurs de stockage sont n\u00e9cessaires pour garantir leur int\u00e9grit\u00e9 et leur \u00e9tanch\u00e9it\u00e9, afin d \u00bb \u00e9viter les fuites ou les accidents. <\/p>\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-673b9a8 e-flex e-con-boxed e-con e-parent\" data-id=\"673b9a8\" 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-40730b7 elementor-widget elementor-widget-heading\" data-id=\"40730b7\" 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\">Informations de s\u00e9curit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed089f9 elementor-widget elementor-widget-text-editor\" data-id=\"ed089f9\" 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>Symboles de danger : C (corrosif) ; F (Inflammable)<\/p><p>Phrases de risque :<br>R10 \u2013 Inflammable<br>R34 \u2013 Provoque des br\u00fblures<\/p><p>Phrases de s\u00e9curit\u00e9 :<br>S16 \u2013 Tenir \u00e0 l \u00ab \u00e9cart des sources d\u2019inflammation<br>S26 \u2013 En cas de contact avec les yeux, rincer imm\u00e9diatement et abondamment \u00e0 l\u2019eau et consulter un m\u00e9decin<br>S36\/37\/39 \u2013 Porter des v\u00eatements de protection appropri\u00e9s, des gants et une protection oculaire et faciale<br>S45 \u2013 En cas d\u2019accident ou si vous ne vous sentez pas bien, consultez imm\u00e9diatement un m\u00e9decin (montrez l \u00bb \u00e9tiquette si possible)<\/p>\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-67ef419 e-flex e-con-boxed e-con e-parent\" data-id=\"67ef419\" 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-47d6f79 elementor-widget elementor-widget-text-editor\" data-id=\"47d6f79\" 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>VIMATERIAL fournit un certificat d\u2019analyse (COA) typique, et les produits peuvent \u00eatre examin\u00e9s sur demande. Pour toute exigence particuli\u00e8re, veuillez <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/vimaterial.de\/fr\/contact\/\">nous contacter<\/a><\/span> pour en discuter davantage. <\/p>\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-5230d65 e-flex e-con-boxed e-con e-parent\" data-id=\"5230d65\" 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-e0fca5d elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"e0fca5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Suivant&quot;,&quot;step_previous_label&quot;:&quot;Pr\\u00e9c\\u00e9dent&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"Nouveau formulaire\" aria-label=\"Nouveau formulaire\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"1043582\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"e0fca5d\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"L\u2019\u00e9thoxyde de tantale - l\u2019or liquide ultime en laboratoire ? - VIMATERIAL\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"1043582\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tNom\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Nom\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required elementor-mark-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCourriel\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Courriel\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Envoyer<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\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>L\u2019\u00e9thoxyde de tantale, \u00e9galement connu sous le nom d\u2019\u00e9thoxyde de tantale(V), est un compos\u00e9 organom\u00e9tallique de formule mol\u00e9culaire C\u2081\u2080H\u2082\u2082O\u2085Ta et d\u2019un poids mol\u00e9culaire de 406,2901. Il existe g\u00e9n\u00e9ralement sous forme liquide et poss\u00e8de des propri\u00e9t\u00e9s physiques et chimiques sp\u00e9cifiques. Un param\u00e8tre important est sa densit\u00e9, qui d\u00e9crit la masse par unit\u00e9 de volume d\u2019une substance. [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1043557,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[113],"tags":[],"class_list":["post-1043582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"_links":{"self":[{"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/posts\/1043582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/comments?post=1043582"}],"version-history":[{"count":2,"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/posts\/1043582\/revisions"}],"predecessor-version":[{"id":1043821,"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/posts\/1043582\/revisions\/1043821"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/media\/1043557"}],"wp:attachment":[{"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/media?parent=1043582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/categories?post=1043582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vimaterial.de\/fr\/wp-json\/wp\/v2\/tags?post=1043582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}