{"id":75982,"date":"2024-07-10T09:23:56","date_gmt":"2024-07-10T09:23:56","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/good-practice\/erstatning-af-natriumkromat-som-antikorrosionsmiddel-for-kulstofstaal-i-lukkede-kredsloeb-i-gasabsorptionsapparater\/"},"modified":"2025-09-04T10:03:59","modified_gmt":"2025-09-04T10:03:59","slug":"erstatning-af-natriumkromat-som-antikorrosionsmiddel-for-kulstofstaal-i-lukkede-kredsloeb-i-gasabsorptionsapparater","status":"publish","type":"good-practice","link":"https:\/\/stopcarcinogensatwork.eu\/da\/good-practice\/erstatning-af-natriumkromat-som-antikorrosionsmiddel-for-kulstofstaal-i-lukkede-kredsloeb-i-gasabsorptionsapparater\/","title":{"rendered":"Erstatning af natriumkromat som antikorrosionsmiddel for kulstofst\u00e5l i lukkede kredsl\u00f8b i gasabsorptionsapparater"},"content":{"rendered":"<p>Et af m\u00e5lene med den europ\u00e6iske <a href=\"https:\/\/environment.ec.europa.eu\/topics\/chemicals\/reach-regulation_en\">REACH-forordning<\/a> er den gradvise udskiftning af s\u00e6rligt problematiske stoffer (f.eks. carcinogener) med sikrere alternativer. Virksomheder, der bruger disse stoffer, skal aktivt s\u00f8ge efter sikrere alternativer (mindre farlige stoffer, nye teknologier og processer) og rapportere om disse alternativer. Nedenfor finder du oplysninger om mulige alternativer til chromtrioxid, som indg\u00e5r i de forskellige ans\u00f8gninger om godkendelse, som ECHA hidtil har modtaget. F\u00f8lg linket til det fulde dossier for at f\u00e5 yderligere oplysninger.   <\/p>\n<div id=\"wp-content-editor-tools\" class=\"wp-editor-tools hide-if-no-js\">\n<div class=\"wp-editor-tabs\">\n<p>Nedenfor kan du finde mulige alternativer til natriumkromat som antikorrosionsmiddel til kulstofst\u00e5l i lukkede kredsl\u00f8b i gasabsorptionsapparater.<\/p>\n<h2>Natriumkromat<\/h2>\n<ul>\n<li><strong>EC-nummer<\/strong>: 231-889-5<\/li>\n<li><strong>CAS-nummer<\/strong>: 7775-11-3<\/li>\n<li><strong>Anvendelse<\/strong>: Natriumkromat som antikorrosionsmiddel for kulstofst\u00e5l i lukkede kredsl\u00f8b i gasabsorptionsapparater op til 0,70 v\u00e6gtprocent (som Cr6+) i k\u00f8lemiddelopl\u00f8sningen.<\/li>\n<li><strong>Teknisk funktion:<\/strong> Antikorrosionsmiddel<\/li>\n<\/ul>\n<p><strong>Alternativer:<br \/>\n<\/strong><em>Forskellige (grupper af) virksomheder har unders\u00f8gt mulige alternativer til at erstatte chromtrioxid. Selv om disse alternativer m\u00e5ske ikke er blevet valgt til deres s\u00e6rlige tilf\u00e6lde, kan de stadig v\u00e6re en passende l\u00f8sning til andre tilf\u00e6lde. <\/em><\/p>\n<ul>\n<li>Opl\u00f8selige siliciumforbindelser<\/li>\n<li>Salte af sj\u00e6ldne jordarters metaller (REMS)<\/li>\n<li>Molybdat<\/li>\n<li>Nitrit<\/li>\n<li>Zinkholdige korrosionsh\u00e6mmere<\/li>\n<li>St\u00e6rke alkaliske opl\u00f8sninger<\/li>\n<li>Fosfater og fosfonatforbindelser<\/li>\n<li>Inhibitor 7 (jf. Dometic GmbH&#8217;s ans\u00f8gning)<\/li>\n<li>Teknisk alternativ: Udskiftning af GAHP-teknologi &#8211; Elektriske varmepumper<\/li>\n<li>Teknisk alternativ: Udskiftning af GAHP-teknologi: Kondenserende kedel<\/li>\n<\/ul>\n<h2>Mere detaljeret information<\/h2>\n<p>Alle virksomheders forskningsindsats er blevet dokumenteret i rapporter. F\u00f8lgende ECHA-dossierer er tilg\u00e6ngelige om mulige alternativer til natriumkromat som antikorrosionsmiddel til kulstofst\u00e5l: <\/p>\n<ul>\n<li><a href=\"https:\/\/echa.europa.eu\/nl\/applications-for-authorisation-previous-consultations\/-\/substance-rev\/43001\/del\/50\/col\/synonymDynamicField_1512\/type\/asc\/pre\/5\/view\">0136-01<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"template":"","sector":[4178],"carcinogens":[4079],"stop":[6586],"country":[],"class_list":["post-75982","good-practice","type-good-practice","status-publish","hentry","sector-fremstilling-af-forarbejdede-metalprodukter","carcinogens-chrom-vi-forbindelser","stop-udskiftning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Erstatning af natriumkromat som antikorrosionsmiddel for kulstofst\u00e5l i lukkede kredsl\u00f8b i gasabsorptionsapparater<\/title>\n<meta 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