{"id":648,"date":"2024-08-12T21:50:41","date_gmt":"2024-08-12T19:50:41","guid":{"rendered":"https:\/\/www.siestagarden.com\/?p=648"},"modified":"2026-02-02T12:47:05","modified_gmt":"2026-02-02T11:47:05","slug":"szkodliwosc-zoltego-ocynku","status":"publish","type":"post","link":"https:\/\/www.siestagarden.com\/cs\/szkodliwosc-zoltego-ocynku\/","title":{"rendered":"\u0160kodlivost \u017elut\u00e9ho c\u00ednu\u00a0"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>\u0160kodlivost \u017elut\u00e9ho c\u00ednu&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i \u017elut\u00e9m zinkov\u00e1n\u00ed se obvykle pou\u017e\u00edv\u00e1 \u0161estimocn\u00fd chrom (Cr(VI)), kter\u00fd je vysoce toxick\u00fd a karcinogenn\u00ed. Tento chemick\u00fd prvek m\u016f\u017ee zp\u016fsobit v\u00e1\u017en\u00e9 zdravotn\u00ed probl\u00e9my, jako je po\u0161kozen\u00ed d\u00fdchac\u00edch cest, podr\u00e1\u017ed\u011bn\u00ed k\u016f\u017ee a tak\u00e9 zv\u00fd\u0161it riziko vzniku rakoviny. Z tohoto d\u016fvodu je \u0161estimocn\u00fd chrom v mnoha zem\u00edch p\u0159\u00edsn\u011b regulov\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mezin\u00e1rodn\u00ed normy a p\u0159edpisy<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Evropsk\u00e1 unie zavedla p\u0159\u00edsn\u00e1 omezen\u00ed pou\u017e\u00edv\u00e1n\u00ed \u0161estimocn\u00e9ho chromu prost\u0159ednictv\u00edm sm\u011brnice RoHS (Restriction of Hazardous Substances). Tato sm\u011brnice omezuje pou\u017e\u00edv\u00e1n\u00ed n\u011bkter\u00fdch nebezpe\u010dn\u00fdch l\u00e1tek v elektrick\u00fdch a elektronick\u00fdch v\u00fdrobc\u00edch, v\u010detn\u011b \u0161estimocn\u00e9ho chromu. A\u010dkoli se sm\u011brnice RoHS nevztahuje p\u0159\u00edmo na n\u00e1bytek, odr\u00e1\u017e\u00ed obecn\u00fd trend v EU omezovat pou\u017e\u00edv\u00e1n\u00ed \u0161kodliv\u00fdch l\u00e1tek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V USA nav\u00edc Agentura pro ochranu \u017eivotn\u00edho prost\u0159ed\u00ed (EPA) klasifikuje \u0161estimocn\u00fd chrom jako karcinogen a jeho pou\u017e\u00edv\u00e1n\u00ed je p\u0159\u00edsn\u011b regulov\u00e1no, zejm\u00e9na v pr\u016fmyslov\u00fdch procesech.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alternativy<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00edsto \u017elut\u00e9ho zinkov\u00e1n\u00ed se st\u00e1le \u010dast\u011bji pou\u017e\u00edv\u00e1 st\u0159\u00edbrn\u00e9 zinkov\u00e1n\u00ed (trojmocn\u00fdm chromem Cr(III)), kter\u00e9 je pova\u017eov\u00e1no za m\u00e9n\u011b \u0161kodliv\u00e9 a \u0161etrn\u011bj\u0161\u00ed k \u017eivotn\u00edmu prost\u0159ed\u00ed. Nem\u00e1 tak z\u00e1va\u017en\u00e9 vedlej\u0161\u00ed \u00fa\u010dinky a nepodl\u00e9h\u00e1 tak p\u0159\u00edsn\u00fdm mezin\u00e1rodn\u00edm p\u0159edpis\u016fm jako \u017elut\u00e9 zinkov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Testov\u00e1n\u00ed a certifikace<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdrobky, nap\u0159\u00edklad n\u00e1bytek, kter\u00e9 se vyv\u00e1\u017eej\u00ed do EU nebo jin\u00fdch oblast\u00ed s p\u0159\u00edsn\u00fdmi ekologick\u00fdmi po\u017eadavky, mohou nevyhov\u011bt certifikaci nebo laboratorn\u00edm test\u016fm, pokud obsahuj\u00ed \u0161estimocn\u00fd chrom. Nap\u0159\u00edklad certifik\u00e1ty shody s na\u0159\u00edzen\u00edm REACH (registrace, hodnocen\u00ed, povolov\u00e1n\u00ed a omezov\u00e1n\u00ed chemick\u00fdch l\u00e1tek) mohou po v\u00fdrobc\u00edch vy\u017eadovat, aby se vzdali \u0161estimocn\u00e9ho chromu ve prosp\u011bch bezpe\u010dn\u011bj\u0161\u00edch alternativ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kde hledat informace<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Sm\u011brnice RoHS (Evropsk\u00e1 unie) - omezen\u00ed nebezpe\u010dn\u00fdch l\u00e1tek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Agentura pro ochranu \u017eivotn\u00edho prost\u0159ed\u00ed (EPA, USA) - regulace \u0161estimocn\u00e9ho chromu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Normy REACH (EU) - registrace a omezen\u00ed pou\u017e\u00edv\u00e1n\u00ed chemick\u00fdch l\u00e1tek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tyto p\u0159edpisy a normy vymezuj\u00ed z\u00e1kladn\u00ed r\u00e1mec pro bezpe\u010dn\u00e9 pou\u017e\u00edv\u00e1n\u00ed chemick\u00fdch l\u00e1tek, a to i v n\u00e1bytk\u00e1\u0159sk\u00e9m pr\u016fmyslu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Szkodliwo\u015b\u0107 \u017c\u00f3\u0142tego ocynku&nbsp; \u017b\u00f3\u0142te ocynkowanie zazwyczaj obejmuje u\u017cycie chromu sze\u015bciowarto\u015bciowego (Cr(VI)), kt\u00f3ry jest wysoce toksyczny i rakotw\u00f3rczy. Ten pierwiastek chemiczny mo\u017ce powodowa\u0107 powa\u017cne problemy zdrowotne, takie jak uszkodzenia uk\u0142adu oddechowego, podra\u017cnienia sk\u00f3ry, a tak\u017ce zwi\u0119ksza\u0107 ryzyko zachorowania na nowotwory. Z tego powodu chrom sze\u015bciowarto\u015bciowy jest \u015bci\u015ble regulowany w wielu krajach. Mi\u0119dzynarodowe normy i regulacje Unia [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":650,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[102],"tags":[],"class_list":["post-648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Szkodliwo\u015b\u0107 \u017c\u00f3\u0142tego ocynku\u00a0 - Siesta Garden<\/title>\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.siestagarden.com\/cs\/szkodliwosc-zoltego-ocynku\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Szkodliwo\u015b\u0107 \u017c\u00f3\u0142tego ocynku\u00a0 - Siesta Garden\" \/>\n<meta property=\"og:description\" content=\"Szkodliwo\u015b\u0107 \u017c\u00f3\u0142tego ocynku&nbsp; \u017b\u00f3\u0142te ocynkowanie zazwyczaj obejmuje u\u017cycie chromu sze\u015bciowarto\u015bciowego (Cr(VI)), kt\u00f3ry jest wysoce toksyczny i rakotw\u00f3rczy. Ten pierwiastek chemiczny mo\u017ce powodowa\u0107 powa\u017cne problemy zdrowotne, takie jak uszkodzenia uk\u0142adu oddechowego, podra\u017cnienia sk\u00f3ry, a tak\u017ce zwi\u0119ksza\u0107 ryzyko zachorowania na nowotwory. Z tego powodu chrom sze\u015bciowarto\u015bciowy jest \u015bci\u015ble regulowany w wielu krajach. 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