{"id":83279,"date":"2024-07-10T09:23:56","date_gmt":"2024-07-10T09:23:56","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/good-practice\/zamjena-natrijevog-kromata-kao-antikorozivnog-sredstva-za-ugljicni-celik-u-zatvorenim-krugovima-uredaja-za-apsorpciju-plina\/"},"modified":"2025-09-04T13:06:34","modified_gmt":"2025-09-04T13:06:34","slug":"zamjena-natrijevog-kromata-kao-antikorozivnog-sredstva-za-ugljicni-celik-u-zatvorenim-krugovima-uredaja-za-apsorpciju-plina","status":"publish","type":"good-practice","link":"https:\/\/stopcarcinogensatwork.eu\/hr\/good-practice\/zamjena-natrijevog-kromata-kao-antikorozivnog-sredstva-za-ugljicni-celik-u-zatvorenim-krugovima-uredaja-za-apsorpciju-plina\/","title":{"rendered":"Zamjena natrijevog kromata kao antikorozivnog sredstva za uglji\u010dni \u010delik u zatvorenim krugovima ure\u0111aja za apsorpciju plina"},"content":{"rendered":"<p>Jedan od ciljeva europske <a href=\"https:\/\/environment.ec.europa.eu\/topics\/chemicals\/reach-regulation_en\">uredbe REACH<\/a> je postupna zamjena tvari koje izazivaju veliku zabrinutost (npr. karcinogeni) sigurnijim alternativama. Tvrtke koje koriste te tvari aktivno tra\u017ee sigurnije alternative (manje opasne tvari, nove tehnologije i procese) te izvje\u0161tavaju o tim alternativama. U nastavku \u0107ete prona\u0107i informacije o mogu\u0107im alternativama za kromov trioksid, uklju\u010dene u razli\u010dite zahtjeve za autorizaciju koje je ECHA do sada primila. Za vi\u0161e informacija slijedite poveznicu na cjeloviti dosje.   <\/p>\n<div id=\"wp-content-editor-tools\" class=\"wp-editor-tools hide-if-no-js\">\n<div class=\"wp-editor-tabs\">\n<p>U nastavku mo\u017eete prona\u0107i mogu\u0107e alternative za natrijev kromat kao sredstvo protiv korozije uglji\u010dnog \u010delika u zatvorenom krugu ure\u0111aja za apsorpciju plina.<\/p>\n<h2>Natrijev kromat<\/h2>\n<ul>\n<li><strong>EZ broj<\/strong> : 231-889-5<\/li>\n<li><strong>CAS broj<\/strong> : 7775-11-3<\/li>\n<li><strong>Upotreba<\/strong> : Natrijev kromat kao sredstvo protiv korozije uglji\u010dnog \u010delika u zatvorenim krugovima ure\u0111aja za apsorpciju plina do 0,70% te\u017einski (kao Cr6+) u otopini rashladnog sredstva<\/li>\n<li><strong>Tehni\u010dka funkcija:<\/strong> Sredstvo protiv korozije<\/li>\n<\/ul>\n<p><strong>Alternative:<br \/>\n<\/strong><em>Razli\u010dite (grupe) tvrtki istra\u017eivale su mogu\u0107e alternative za zamjenu kromovog trioksida. \u010cak i ako te alternative mo\u017eda nisu odabrane za njihov konkretan slu\u010daj, one i dalje mogu biti prikladna opcija za druge slu\u010dajeve. <\/em><\/p>\n<ul>\n<li>Topljivi silicijevi spojevi<\/li>\n<li>Soli rijetkih zemnih metala (REMS)<\/li>\n<li>Molibdat<\/li>\n<li>Nitrit<\/li>\n<li>Inhibitori korozije koji sadr\u017ee cink<\/li>\n<li>Jake alkalne otopine<\/li>\n<li>Fosfati i fosfonatni spojevi<\/li>\n<li>Inhibitor 7 (usp. prijavu tvrtke Dometic GmbH)<\/li>\n<li>Tehni\u010dka alternativa: Zamjena GAHP tehnologije &#8211; Elektri\u010dne toplinske pumpe<\/li>\n<li>Tehni\u010dka alternativa: Zamjena GAHP tehnologije: Kondenzacijski bojler<\/li>\n<\/ul>\n<h2>Detaljnije informacije<\/h2>\n<p>Svi istra\u017eiva\u010dki napori tvrtki dokumentirani su u izvje\u0161\u0107ima. Dostupni su sljede\u0107i ECHA dosjei o mogu\u0107im alternativama za natrijev kromat kao sredstvo protiv korozije uglji\u010dnog \u010delika: <\/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":[6704],"carcinogens":[4670],"stop":[7117],"country":[],"class_list":["post-83279","good-practice","type-good-practice","status-publish","hentry","sector-proizvodnja-gotovih-metalnih-proizvoda","carcinogens-spojevi-kroma-vi","stop-zamjena"],"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>Zamjena natrijevog kromata kao antikorozivnog sredstva za uglji\u010dni \u010delik u zatvorenim krugovima ure\u0111aja za apsorpciju 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