{"id":17328,"date":"2026-03-10T09:08:03","date_gmt":"2026-03-10T08:08:03","guid":{"rendered":"https:\/\/www.securetec.net\/?p=17328"},"modified":"2026-03-10T09:08:03","modified_gmt":"2026-03-10T08:08:03","slug":"contaminations-a-la-cocaine","status":"publish","type":"post","link":"https:\/\/www.securetec.net\/fr\/contaminations-a-la-cocaine\/","title":{"rendered":"Contaminations \u00e0 la coca\u00efne"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h1>La coca\u00efne dans tous ses \u00e9tats : des billets de banque \u00e0 la faune<\/h1>\n<p><strong>De nombreuses \u00e9tudes le montrent : aux quatre<\/strong><strong> coins du monde, on retrouve des traces de <\/strong><strong>drogues, en particulier de coca\u00efne, sur les billets<\/strong><strong> de banque. Mais l&rsquo;argent liquide n&rsquo;est pas le seul<\/strong><strong> concern\u00e9. Les cartes bancaires, poign\u00e9es de porte <\/strong><strong>et photocopieuses pr\u00e9sentent souvent des r\u00e9sidus<\/strong><strong> de la substance. Des r\u00e9sidus de coca\u00efne ont m\u00eame<\/strong><strong> \u00e9t\u00e9 d\u00e9tect\u00e9s chez les animaux.<\/strong>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:20&Prime;][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2&Prime;][tm_image align=\u00a0\u00bbcenter\u00a0\u00bb image=\u00a0\u00bb17296&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<span style=\"font-size: 8pt;\">\u00a9: Pixel-Shot \u2013 stock.adobe.com<\/span>[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2>Sur les traces de la poudre<\/h2>\n<p>Les surfaces lisses telles que les tables et photocopieuses sont les supports id\u00e9aux pour \u00ab prendre un rail \u00bb. Les cartes bancaires servent d&rsquo;outils de pr\u00e9cision permettant de former des lignes de poudre r\u00e9guli\u00e8res, afin de ne pas en perdre un grain. Un billet enroul\u00e9, anodin en apparence, forme un petit tube par lequel le \u00ab rail \u00bb est sniff\u00e9. De cette mani\u00e8re, des r\u00e9sidus invisibles \u00e0 l&rsquo;oeil nu s&rsquo;accumulent sur les surfaces et les objets du quotidien.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][tm_spacer size=\u00a0\u00bblg:20&Prime;][vc_message css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2>Comment utiliser correctement le test DrugWipe<\/h2>\n<p>On trouve des traces de coca\u00efne presque partout, en particulier sur les surfaces. Le test DrugWipe r\u00e9agit aux quantit\u00e9s les plus faibles. C&rsquo;est pourquoi il est imp\u00e9ratif de r\u00e9aliser correctement le test pour obtenir un r\u00e9sultat valide : avant d&rsquo;\u00eatre plac\u00e9s sur le bo\u00eetier r\u00e9actif, les patins absorbants de la spatule de pr\u00e9l\u00e8vement doivent uniquement entrer en contact avec la salive de la personne examin\u00e9e. Il ne faut en cas aucun cas poser la spatule de pr\u00e9l\u00e8vement sur une surface pendant la r\u00e9alisation du test.[\/vc_message][tm_spacer size=\u00a0\u00bblg:20&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2>Billets de banque propres : une raret\u00e9<\/h2>\n<p>Des articles au sujet de billets de banque comportant de la coca\u00efne paraissent r\u00e9guli\u00e8rement dans les m\u00e9dias. En Allemagne, peu de temps apr\u00e8s l&rsquo;introduction de l&rsquo;euro d\u00e9but 2002, seuls quelques billets pr\u00e9sentaient des r\u00e9sidus de drogue. Mais sept mois plus tard, neuf billets sur dix \u00e9taient concern\u00e9s, la concentration sur les petites coupures \u00e9tant plus \u00e9lev\u00e9e. En Irlande, en 2007, aucun billet de banque n&rsquo;\u00e9tait \u00e9pargn\u00e9 par les traces de coca\u00efne.<sup>1, 2<\/sup><\/p>\n<h3>Billets de polym\u00e8re ou de papier<\/h3>\n<p>La mat\u00e9riau joue un r\u00f4le dans la propagation des r\u00e9sidus : les billets en polym\u00e8re dispersent les particules de coca\u00efne nettement mieux que les billets en papier. Ces derniers sont principalement compos\u00e9s de coton, ce qui les rend plus poreux, \u00e0 l&rsquo;instar d&rsquo;une \u00e9ponge. Ainsi, les r\u00e9sidus adh\u00e8rent mieux \u00e0 leur surface et compliquent leur propagation. Les billets d&rsquo;euro continuent d&rsquo;\u00eatre fabriqu\u00e9s avec du coton. Depuis quelques ann\u00e9es, certains pays comme l&rsquo;Australie, misent toutefois sur des billets de banque en polym\u00e8re. <sup>3, 4<\/sup>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:20&Prime;][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2&Prime;][tm_image align=\u00a0\u00bbcenter\u00a0\u00bb image=\u00a0\u00bb17305&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<span style=\"font-size: 8pt;\">\u00a9: Jannik \u2013 stock.adobe.com<\/span>[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2>Comparaison des traces<\/h2>\n<p>Les concentrations en coca\u00efne trouv\u00e9es sur les billets de banque varient fortement d&rsquo;un pays \u00e0 l&rsquo;autre. Les concentrations les plus \u00e9lev\u00e9es ont \u00e9t\u00e9 mesur\u00e9es aux \u00c9tats-Unis o\u00f9 un billet peut d\u00e9passer les 1300 \u03bcg. En moyenne, les valeurs restaient toutefois inf\u00e9rieures \u00e0 une centaine de microgrammes. En Europe, l&rsquo;Espagne est loin devant : avec 889 \u03bcg de r\u00e9sidus de coca\u00efne par billet, les coupures espagnoles pr\u00e9sentent les plus fortes concentrations. En moyenne, elles transportent pr\u00e8s de cinq fois plus de traces que les billets allemands, sans surprise, \u00e9tant donn\u00e9 la place centrale qu&rsquo;occupe l&rsquo;Espagne dans l&rsquo;introduction de coca\u00efne en Europe.<sup>5<\/sup>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][tm_spacer size=\u00a0\u00bblg:20&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2>Des animaux drogu\u00e9s<\/h2>\n<p>En 2024, des chercheurs br\u00e9siliens ont d\u00e9couvert de la coca\u00efne et son principal m\u00e9tabolite, la benzoylecgonine, dans les tissus de rhizoprionodons, avec des concentrations plus \u00e9lev\u00e9es que chez d&rsquo;autres esp\u00e8ces marines.<sup>6<\/sup> L&rsquo;anguille europ\u00e9enne est \u00e9galement touch\u00e9e par la coca\u00efne dans les eaux fluviales. De nombreuses \u00e9tudes aux quatre coins du monde ont r\u00e9v\u00e9l\u00e9 la pr\u00e9sence de drogues et de leurs r\u00e9sidus dans des \u00e9chantillons de milieu aquatique. Leur large propagation et l&rsquo;efficacit\u00e9 parfois tr\u00e8s variable des syst\u00e8mes d&rsquo;\u00e9puration des eaux en sont \u00e0 l&rsquo;origine.<sup>7<\/sup>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:20&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2>De la coca\u00efne dans l&rsquo;air<\/h2>\n<p>Dans les analyses de l&rsquo;air, l&rsquo;attention est de plus en plus focalis\u00e9e sur les drogues et substances psychoactives. Les mesures r\u00e9alis\u00e9es dans les grandes villes le montrent : dans presque toutes les villes, de la coca\u00efne et d&rsquo;autres substances ont \u00e9t\u00e9 d\u00e9tect\u00e9es dans l&rsquo;air. De plus, une \u00e9tude nationale men\u00e9e en Italie a r\u00e9v\u00e9l\u00e9 que la coca\u00efne \u00e9tait la drogue la plus r\u00e9pandue dans l&rsquo;air, dans les r\u00e9gions citadines tout comme les r\u00e9gions rurales, Milan arrivant en t\u00eate. Mais dans des concentrations insuffisantes pour \u00ab faire planer \u00bb ou rendre inapte \u00e0 la conduite.<sup>8<\/sup>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:20&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2>Une tendance \u00e0 la hausse<\/h2>\n<p>D&rsquo;apr\u00e8s le rapport de l&rsquo;Agence de l&rsquo;Union europ\u00e9enne sur les drogues (EUDA) de 2025, la coca\u00efne est disponible de plus en plus facilement en Europe. On peut donc s&rsquo;attendre \u00e0 une multiplication des traces et \u00e0 des concentrations plus \u00e9lev\u00e9es.<sup>9<\/sup>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:20&Prime;][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/4&Prime;][\/vc_column][vc_column width=\u00a0\u00bb1\/2&Prime;][tm_image align=\u00a0\u00bbcenter\u00a0\u00bb image=\u00a0\u00bb17157&Prime;][\/vc_column][vc_column width=\u00a0\u00bb1\/4&Prime;][\/vc_column][\/vc_row][vc_row][vc_column][tm_spacer size=\u00a0\u00bblg:20&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h3 style=\"text-align: center;\">DrugWipe S 605 G : 6 groupes de drogues en 5 minutes<br \/>\nNous sommes \u00e0 votre disposition pour tout renseignement.<\/h3>\n<p>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:20&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<p style=\"text-align: left;\"><strong><span style=\"font-size: 8pt;\">Sources :<\/span><\/strong><br \/>\n<span style=\"font-size: 8pt;\">1 : O. V. (2003), La quasi-totalit\u00e9 des billets d&rsquo;euro pr\u00e9sentent des traces de coca\u00efne, spiegel.de (20.01.2026) 2 : Dublin City University (2007), 100-percent Contamination Of Euro Notes With Cocaine, Science<\/span><span style=\"font-size: 8pt;\"> Daily, 29.1.26 ; 3 : Amaral, M.A. et al. (2022), Trace evidence dynamics of cocaine on banknotes [\u2026], Science and Justice, 62 ; 4 : Altmann, K. (2024), Du coton au billet de banque : le parcours du billet d&rsquo;euro, <\/span><span style=\"font-size: 8pt;\">bankenverband.de, 3.2.26 ; 5 : Plataforma SINC. (2008), Spanish Bank Notes Contain Highest Traces Of Cocaine [\u2026], ScienceDaily, 20.01.26 ; 6 : Prinz, U. (2024), Des requins sous l&#8217;emprise de la coca\u00efne,<\/span><span style=\"font-size: 8pt;\"> ri\u001f reporter.de, 21.1.26 ; 7 : Capaldo, A. et al. (2018), Eff ects of environmental cocaine concentrations [&#8230;], Science of The Total Environment, 640-641 ; 8 : Zambas-Adams, P. et al. (2022), Analytical Approaches<\/span><span style=\"font-size: 8pt;\"> and Trends in the Determination of Psychoactive Drugs in Air, Sci, 4 ; 9 : O. V. (2025), Coca\u00efne : la situation actuelle en Europe, rapport de l&rsquo;EUDA<\/span><\/p>\n<p>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:20&Prime;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<div class='w3eden'><!-- WPDM Link Template: Default Template -->\n\n<div class=\"link-template-default card mb-2\">\n    <div class=\"card-body\">\n        <div class=\"media\">\n            <div class=\"mr-3 img-48\"><img decoding=\"async\" class=\"wpdm_icon\" alt=\"Ic\u00f4ne\" src=\"https:\/\/www.securetec.net\/app\/plugins\/download-manager\/assets\/file-type-icons\/pdf.svg\" \/><\/div>\n            <div class=\"media-body\">\n                <h3 class=\"package-title\"><a href='https:\/\/www.securetec.net\/fr\/download\/lettre-dinformation-contaminations-a-la-cocaine\/'>LETTRE D'INFORMATION: Contaminations \u00e0 la coca\u00efne<\/a><\/h3>\n                <div class=\"text-muted text-small\"><i class=\"fas fa-copy\"><\/i> 1 fichier\u00b7s <i class=\"fas fa-hdd ml-3\"><\/i> 0.00 KB<\/div>\n            <\/div>\n            <div class=\"ml-3\">\n                <a class='wpdm-download-link download-on-click btn btn-primary ' target=_blank rel='nofollow' href='#' data-downloadurl=\"https:\/\/www.securetec.net\/fr\/download\/lettre-dinformation-contaminations-a-la-cocaine\/?wpdmdl=17329&refresh=69e528c6019aa1776625862\">T\u00e9l\u00e9charger<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<\/div>[\/vc_column_text][tm_spacer size=\u00a0\u00bblg:30&Prime;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"De nombreuses \u00e9tudes le montrent : aux quatre coins du monde, on retrouve des traces de drogues, en particulier de coca\u00efne, sur les billets de banque. Mais l&rsquo;argent liquide n&rsquo;est pas le seul concern\u00e9. Les cartes bancaires, poign\u00e9es de porte et photocopieuses pr\u00e9sentent souvent des r\u00e9sidus de la substance. Des r\u00e9sidus de coca\u00efne ont m\u00eame \u00e9t\u00e9 d\u00e9tect\u00e9s chez les animaux.","protected":false},"author":95,"featured_media":17293,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89,88],"tags":[],"class_list":["post-17328","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-home-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Contaminations \u00e0 la coca\u00efne - Securetec Detektions-Systeme AG<\/title>\n<meta name=\"description\" content=\"De nombreuses \u00e9tudes le montrent : aux quatre coins du monde, on retrouve des traces de drogues, en particulier de coca\u00efne, sur les billets de banque. Mais l&#039;argent liquide n&#039;est pas le seul concern\u00e9. Les cartes bancaires, poign\u00e9es de porte et photocopieuses pr\u00e9sentent souvent des r\u00e9sidus de la substance. Des r\u00e9sidus de coca\u00efne ont m\u00eame \u00e9t\u00e9 d\u00e9tect\u00e9s chez les animaux.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.securetec.net\/fr\/contaminations-a-la-cocaine\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contaminations \u00e0 la coca\u00efne - Securetec Detektions-Systeme AG\" \/>\n<meta property=\"og:description\" content=\"De nombreuses \u00e9tudes le montrent : aux quatre coins du monde, on retrouve des traces de drogues, en particulier de coca\u00efne, sur les billets de banque. Mais l&#039;argent liquide n&#039;est pas le seul concern\u00e9. Les cartes bancaires, poign\u00e9es de porte et photocopieuses pr\u00e9sentent souvent des r\u00e9sidus de la substance. 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