{"id":7387,"date":"2026-08-04T09:44:15","date_gmt":"2026-08-04T13:44:15","guid":{"rendered":"https:\/\/laboratorytesting.com\/?page_id=7387"},"modified":"2026-08-04T10:08:48","modified_gmt":"2026-08-04T14:08:48","slug":"ecd-leak-wipe-test-overview","status":"publish","type":"page","link":"https:\/\/laboratorytesting.com\/fr\/resources\/radiochemistry\/ecd-leak-wipe-test-overview\/","title":{"rendered":"Aper\u00e7u du test d&#039;\u00e9tanch\u00e9it\u00e9 ECD"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"7387\" class=\"elementor elementor-7387\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f0777b3 bg-four-corner-image elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f0777b3\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\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-4760a46\" data-id=\"4760a46\" 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-4f2fe9f elementor-widget elementor-widget-heading\" data-id=\"4f2fe9f\" 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\">Test d&#039;\u00e9tanch\u00e9it\u00e9 par essuyage du d\u00e9tecteur \u00e0 capture d&#039;\u00e9lectrons (ECD)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7f38a0 elementor-widget elementor-widget-image\" data-id=\"a7f38a0\" 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=\"1314\" height=\"753\" src=\"https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/electron-capture-detector.jpg\" class=\"attachment-full size-full wp-image-7390\" alt=\"\" srcset=\"https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/electron-capture-detector.jpg 1314w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/electron-capture-detector-300x172.jpg 300w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/electron-capture-detector-1024x587.jpg 1024w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/electron-capture-detector-768x440.jpg 768w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/electron-capture-detector-18x10.jpg 18w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/08\/electron-capture-detector-600x344.jpg 600w\" sizes=\"(max-width: 1314px) 100vw, 1314px\" \/>\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-7516a42 elementor-widget elementor-widget-text-editor\" data-id=\"7516a42\" 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 d\u00e9tecteur \u00e0 capture d&#039;\u00e9lectrons (DCE) est un dispositif couramment utilis\u00e9 en chromatographie en phase gazeuse pour d\u00e9tecter les \u00e9chantillons absorbant les \u00e9lectrons, tels que les compos\u00e9s halog\u00e9n\u00e9s. Chaque DCE contient g\u00e9n\u00e9ralement 10 \u00e0 15 millicuries de nickel-63 (Ni-63), une source radioactive scell\u00e9e. La Commission de r\u00e9glementation nucl\u00e9aire des \u00c9tats-Unis (NRC) exige que chaque titulaire d&#039;autorisation utilisant une source scell\u00e9e fasse contr\u00f4ler l&#039;\u00e9tanch\u00e9it\u00e9 de cette source tous les six mois. Si le niveau de contamination d\u00e9passe 0,005 microcurie, la fuite doit \u00eatre signal\u00e9e \u00e0 la NRC. Le titulaire d&#039;autorisation doit conserver un enregistrement des r\u00e9sultats des tests d&#039;\u00e9tanch\u00e9it\u00e9, exprim\u00e9s en microcuries, et ce document pendant trois ans apr\u00e8s le test, afin de permettre \u00e0 la NRC de proc\u00e9der \u00e0 son inspection.<\/p><p><em>Pour plus d&#039;informations, veuillez consulter le \u201c R\u00e8glement de la NRC (10 CFR) \u00a7 39.35\u00a0: Essais d&#039;\u00e9tanch\u00e9it\u00e9 des sources scell\u00e9es \u201d ici\u00a0: <a href=\"http:\/\/www.nrc.gov\/reading-rm\/doc-collections\/cfr\/part039\/part039-0035.html\" target=\"_blank\" rel=\"nofollow noopener\">http:\/\/www.nrc.gov\/reading-rm\/doc-collections\/cfr\/part039\/part039-0035.html<\/a><\/em><\/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-1f03399 elementor-widget elementor-widget-heading\" data-id=\"1f03399\" 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<h4 class=\"elementor-heading-title elementor-size-default\">March\u00e9 cible<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cedc12 elementor-widget elementor-widget-text-editor\" data-id=\"9cedc12\" 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>Le march\u00e9 cible de ces tests sp\u00e9cifiques comprend d&#039;autres laboratoires et\/ou entreprises poss\u00e9dant des instruments contenant des mati\u00e8res radioactives ou susceptibles de lib\u00e9rer des particules radioactives.<\/p><ul><li>Instrument de chromatographie en phase gazeuse avec d\u00e9tecteur \u00e0 capture d&#039;\u00e9lectrons (GC-ECD)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f55944f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f55944f\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\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-33 elementor-inner-column elementor-element elementor-element-bcf867e\" data-id=\"bcf867e\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-565d9c6 elementor-widget elementor-widget-heading\" data-id=\"565d9c6\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Qu&#039;est-ce que le nickel-63\u00a0?<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-049cc82 elementor-widget elementor-widget-text-editor\" data-id=\"049cc82\" 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>Le nickel-63 (Ni-63) est un \u00e9metteur b\u00eata potentiellement nocif en cas d&#039;absorption par l&#039;organisme. \u00c0 terme, les dispositifs de protection contre les surtensions (ECD) peuvent pr\u00e9senter des fuites et exposer les op\u00e9rateurs \u00e0 des rayonnements. La demi-vie du Ni-63 est de 100 ans.<\/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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-71a9590\" data-id=\"71a9590\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-ad97955 elementor-widget elementor-widget-heading\" data-id=\"ad97955\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Qu&#039;est-ce qu&#039;un isotope ?<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd27320 elementor-widget elementor-widget-text-editor\" data-id=\"bd27320\" 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>Chacune des deux ou plusieurs esp\u00e8ces d&#039;atomes d&#039;un \u00e9l\u00e9ment chimique ayant le m\u00eame num\u00e9ro atomique et un comportement chimique presque identique, mais une masse atomique ou un nombre de masse diff\u00e9rent et des propri\u00e9t\u00e9s physiques diff\u00e9rentes.<\/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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-8469239\" data-id=\"8469239\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-fafe9d0 elementor-widget elementor-widget-heading\" data-id=\"fafe9d0\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Qu&#039;est-ce qu&#039;une demi-vie ?<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae8c05e elementor-widget elementor-widget-text-editor\" data-id=\"ae8c05e\" 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>Le temps n\u00e9cessaire pour qu&#039;une substance radioactive perde 50 % de sa radioactivit\u00e9 par d\u00e9sint\u00e9gration est appel\u00e9 demi-vie.<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\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>","protected":false},"excerpt":{"rendered":"<p>Electron Capture Detector (ECD) Leak Wipe Test An electron capture detector (ECD) is a widely used device in a gas chromatograph to detect electron-absorbing samples such as halogen compounds. Each ECD usually contains 10-15 millicuries of Nickel-63 (NI-63), a sealed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":7385,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","footnotes":""},"class_list":["post-7387","page","type-page","status-publish","hentry","slug-ecd-leak-wipe-test-overview","odd_post_id"],"_links":{"self":[{"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/7387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/comments?post=7387"}],"version-history":[{"count":7,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/7387\/revisions"}],"predecessor-version":[{"id":7396,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/7387\/revisions\/7396"}],"up":[{"embeddable":true,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/7385"}],"wp:attachment":[{"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/media?parent=7387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}