{"id":5446,"date":"2026-04-15T06:18:22","date_gmt":"2026-04-15T10:18:22","guid":{"rendered":"https:\/\/laboratorytesting.com\/?page_id=5446"},"modified":"2026-04-15T06:25:46","modified_gmt":"2026-04-15T10:25:46","slug":"explanation-of-reporting-limit-for-paint-chips","status":"publish","type":"page","link":"https:\/\/laboratorytesting.com\/fr\/resources\/lead\/explanation-of-reporting-limit-for-paint-chips\/","title":{"rendered":"Explication du seuil de d\u00e9claration des \u00e9clats de peinture"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"5446\" class=\"elementor elementor-5446\" 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\">Explication du seuil de d\u00e9claration des \u00e9clats de peinture<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13cae54 elementor-widget elementor-widget-image\" data-id=\"13cae54\" 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=\"1440\" height=\"500\" src=\"https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/04\/paint-chips.jpg\" class=\"attachment-full size-full wp-image-5448\" alt=\"\" srcset=\"https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/04\/paint-chips.jpg 1440w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/04\/paint-chips-300x104.jpg 300w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/04\/paint-chips-1024x356.jpg 1024w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/04\/paint-chips-768x267.jpg 768w, https:\/\/laboratorytesting.com\/wp-content\/uploads\/2026\/04\/paint-chips-600x208.jpg 600w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/>\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-ff52036 elementor-widget elementor-widget-text-editor\" data-id=\"ff52036\" 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 Jeffrey W. Siria, MS, Ph.D., directeur national de la chimie inorganique, EMSL Analytical, Inc.<\/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-fd28073 elementor-widget elementor-widget-heading\" data-id=\"fd28073\" 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\">R\u00e9sum\u00e9 du briefing<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c6595c elementor-widget elementor-widget-text-editor\" data-id=\"3c6595c\" 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>Ce document explique comment le laboratoire peut parvenir \u00e0 un <strong>limite de d\u00e9claration (RL)<\/strong> La teneur en plomb dans les \u00e9cailles de peinture peut \u00eatre aussi faible que 0,0081 TP3T en poids (80 ppm) par FLAA, ou nettement inf\u00e9rieure par ICP-OES. La limite de r\u00e9f\u00e9rence (LR) est la concentration en dessous de laquelle la quantification n&#039;est pas statistiquement possible et est donc indiqu\u00e9e par \u201c &lt; \u201d. La LR est diff\u00e9rente de la limite de d\u00e9tection de la m\u00e9thode (LDM), qui est une limite statistique de\u2026 <span style=\"text-decoration: underline;\">d\u00e9tection<\/span> o\u00f9 RL est une limite statistique de fiabilit\u00e9 <span style=\"text-decoration: underline;\">quantification<\/span>.<\/p><p>La limite de quantification (LQ) est inversement proportionnelle \u00e0 la masse de l&#039;\u00e9chantillon. Cependant, la quantit\u00e9 d&#039;\u00e9chantillon soumise ne d\u00e9pend pas du laboratoire. Le tableau suivant pr\u00e9sente des exemples de limites de quantification pour le plomb dans les \u00e9cailles de peinture en fonction de la masse de l&#039;\u00e9chantillon, pour les analyses FLAA et ICP-OES.<\/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-934a5c0 tp-shortcode elementor-widget elementor-widget-shortcode\" data-id=\"934a5c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-39\" class=\"tablepress tablepress-id-39 tp-head-transparent tp-text-center tp-no-border tp-y-padding-zero tp-reporting-limit-for-paint-chips\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Poids de l&#039;\u00e9chantillon<\/th><th class=\"column-2\">Limite de d\u00e9claration du plomb, FLAA<\/th><th class=\"column-3\">Limite de d\u00e9claration du plomb, ICP-OES<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">0,25 gramme (250 mg)*<\/td><td class=\"column-2\">80 mg\/kg (ppm), 0,008% en poids.<\/td><td class=\"column-3\">4 mg\/kg (ppm), 0,0004% en poids.<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">0,10 gramme (100 mg)<\/td><td class=\"column-2\">200 mg\/kg (ppm), 0,020% en poids.<\/td><td class=\"column-3\">10 mg\/kg (ppm), 0,0010% en poids.<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">0,02 gramme (20 mg)**<\/td><td class=\"column-2\">1000 mg\/kg (ppm), 0,10% en poids.<\/td><td class=\"column-3\">50 mg\/kg (ppm), 0,0050% en poids.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-39 from cache --><\/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-3d298a1 elementor-widget elementor-widget-text-editor\" data-id=\"3d298a1\" 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>* Les limites de d\u00e9claration ne seront pas inf\u00e9rieures pour un \u00e9chantillon sup\u00e9rieur \u00e0 250 mg.<br \/>** 20 mg est le poids minimum acceptable pour l&#039;analyse FLAA ou ICP-OES.<\/p><p>Des calculs similaires s&#039;appliquent aux autres m\u00e9taux analys\u00e9s par ICP-OES (cadmium ou chrome uniquement si par FLAA), bien que la limite de d\u00e9tection puisse \u00eatre sup\u00e9rieure ou inf\u00e9rieure \u00e0 celle du plomb en fonction de l&#039;analyte.<\/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<\/div>","protected":false},"excerpt":{"rendered":"<p>Explanation of Reporting Limit for Paint Chips By Jeffrey W. Siria, M.S., Ph.D., National Director of Inorganic Chemistry, EMSL Analytical, Inc. Summary of Brief This brief explains how the laboratory can achieve a reporting limit (RL) as low as 0.008% [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":5401,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","footnotes":""},"class_list":["post-5446","page","type-page","status-publish","hentry","slug-explanation-of-reporting-limit-for-paint-chips","even_post_id"],"_links":{"self":[{"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/5446","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=5446"}],"version-history":[{"count":10,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/5446\/revisions"}],"predecessor-version":[{"id":5457,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/5446\/revisions\/5457"}],"up":[{"embeddable":true,"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/pages\/5401"}],"wp:attachment":[{"href":"https:\/\/laboratorytesting.com\/fr\/wp-json\/wp\/v2\/media?parent=5446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}