{"id":14068,"date":"2021-03-01T14:47:00","date_gmt":"2021-03-01T11:47:00","guid":{"rendered":"https:\/\/haliccevre.com\/?p=14068"},"modified":"2021-03-01T14:47:00","modified_gmt":"2021-03-01T11:47:00","slug":"poliklorlu-bifeniller-pcb-ler","status":"publish","type":"post","link":"https:\/\/demo.haliccevre.com\/poliklorlu-bifeniller-pcb-ler\/","title":{"rendered":"POL\u0130KLORLU B\u0130FEN\u0130LLER (PCB\u2019 ler)"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"https:\/\/demo.haliccevre.com\/wp-content\/uploads\/2021\/03\/pcb.png\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-14067 alignright\" src=\"https:\/\/demo.haliccevre.com\/wp-content\/uploads\/2021\/03\/pcb.png\" alt=\"\" width=\"302\" height=\"401\" srcset=\"https:\/\/demo.haliccevre.com\/wp-content\/uploads\/2021\/03\/pcb.png 286w, https:\/\/demo.haliccevre.com\/wp-content\/uploads\/2021\/03\/pcb-226x300.png 226w\" sizes=\"auto, (max-width: 302px) 100vw, 302px\" \/><\/a>Poliklorlu bifeniller, yani PCB\u2019 ler; karbon, hidrojen ve klor atomlar\u0131ndan olu\u015fan insan yap\u0131m\u0131 organik kimyasallar\u00a0grubudur.\u00a0Klor atomlar\u0131n\u0131n say\u0131s\u0131 ve bir PCB molek\u00fcl\u00fcndeki konumlar\u0131, bir\u00e7ok fiziksel ve kimyasal \u00f6zelli\u011fini belirler.\u00a0PCB&#8217; lerin bilinen bir tad\u0131 veya kokusu yoktur ve bir ya\u011fdan mumsu bir kat\u0131ya kadar tutarl\u0131l\u0131k g\u00f6sterirler.<\/p>\n<p style=\"text-align: justify;\">PCB\u2019 ler bir dizi toksisiteye sahiptirler ve ince, a\u00e7\u0131k renkli s\u0131v\u0131lardan sar\u0131 veya siyah mumsu kat\u0131lara kadar tutarl\u0131l\u0131k a\u00e7\u0131s\u0131ndan farkl\u0131l\u0131k g\u00f6sterirler.\u00a0Yanmazl\u0131k, kimyasal stabilite, y\u00fcksek kaynama noktas\u0131 ve elektriksel yal\u0131t\u0131m \u00f6zellikleri nedeniyle PCB&#8217;l er a\u015fa\u011f\u0131dakiler dahil y\u00fczlerce end\u00fcstriyel ve ticari uygulamada kullan\u0131lm\u0131\u015ft\u0131r:<\/p>\n<ul style=\"text-align: justify;\">\n<li>Elektrik, \u0131s\u0131 transferi ve hidrolik ekipman<\/li>\n<li>Boya, plastik ve kau\u00e7uk \u00fcr\u00fcnlerde plastikle\u015ftiriciler<\/li>\n<li>Pigmentler, boyalar ve karbonsuz kopya k\u00e2\u011f\u0131d\u0131<\/li>\n<li>Di\u011fer end\u00fcstriyel uygulamalar<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">PCB i\u00e7erebilecek \u00fcr\u00fcnler aras\u0131nda \u015funlar\u0131 sayabiliriz:<\/p>\n<ul style=\"text-align: justify;\">\n<li>Transformat\u00f6rler ve kapasit\u00f6rler<\/li>\n<li>Voltaj reg\u00fclat\u00f6rleri, anahtarlar, yeniden kapat\u0131c\u0131lar, bur\u00e7lar ve elektrom\u0131knat\u0131slar dahil olmak \u00fczere elektrikli ekipmanlar<\/li>\n<li>Motorlarda ve hidrolik sistemlerde kullan\u0131lan ya\u011flar<\/li>\n<li>PCB kapasit\u00f6rleri i\u00e7eren eski elektrikli cihazlar<\/li>\n<li><a href=\"https:\/\/www.epa.gov\/pcbs\/disposal-fluorescent-light-ballasts-flb\" target=\"_blank\" rel=\"noopener noreferrer\">Floresan \u0131\u015f\u0131k balastlar\u0131<\/a><\/li>\n<li>Kablo yal\u0131t\u0131mlar\u0131<\/li>\n<li>Cam elyaf\u0131, ke\u00e7e, k\u00f6p\u00fck dahil \u0131s\u0131 yal\u0131t\u0131m malzemeleri ve mantarlar\u0131<\/li>\n<li>Yap\u0131\u015ft\u0131r\u0131c\u0131lar ve bantlar<\/li>\n<li>Ya\u011f bazl\u0131 boyalar<\/li>\n<li><a href=\"https:\/\/www.epa.gov\/pcbs\/study-plans-related-polychlorinated-biphenyls-pcbs-schools\" target=\"_blank\" rel=\"noopener noreferrer\">Kalafatlama<\/a><\/li>\n<li>Plastikler<\/li>\n<li>Karbonsuz kopya k\u00e2\u011f\u0131d\u0131<\/li>\n<li>Zemin kaplamalar\u0131<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">G\u00fcn\u00fcm\u00fczde PCB&#8217; ler, a\u015fa\u011f\u0131dakilerden \u00e7evreye sal\u0131nabilir:<\/p>\n<ul style=\"text-align: justify;\">\n<li>PCB i\u00e7eren bak\u0131ms\u0131z tehlikeli at\u0131k sahalar\u0131<\/li>\n<li>PCB at\u0131klar\u0131n\u0131n yasad\u0131\u015f\u0131 veya uygun olmayan \u015fekilde bo\u015falt\u0131lmas\u0131<\/li>\n<li>PCB i\u00e7eren elektrik transformat\u00f6rlerinden s\u0131z\u0131nt\u0131lar veya sal\u0131mlar<\/li>\n<li>PCB i\u00e7eren t\u00fcketici \u00fcr\u00fcnlerinin belediye veya tehlikeli at\u0131klar\u0131n i\u015flenmesi i\u00e7in tasarlanmam\u0131\u015f di\u011fer \u00e7\u00f6pl\u00fcklere at\u0131lmas\u0131<\/li>\n<li>Belediye ve end\u00fcstriyel at\u0131k yakma f\u0131r\u0131nlar\u0131nda baz\u0131 at\u0131klar\u0131n yak\u0131lmas\u0131<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">PCB&#8217; ler asl\u0131nda ortamda kolayca par\u00e7alanmaz.\u00a0Hava, su ve toprak aras\u0131nda uzun s\u00fcre kalabilirler.\u00a0PCB&#8217; ler ne yaz\u0131k ki uzun mesafelere ta\u015f\u0131nabilir ve \u00e7evreye sal\u0131nd\u0131klar\u0131 yerden uzak b\u00f6lgelerde kar ve deniz suyunda bulunabilir.\u00a0Sonu\u00e7 olarak, d\u00fcnyan\u0131n her yerinde bulunurlar.\u00a0Genel olarak, PCB ne kadar hafifse, kontaminasyon kayna\u011f\u0131ndan o kadar uza\u011fa ta\u015f\u0131nabilir.<\/p>\n<p style=\"text-align: justify;\">PCB&#8217; ler, bitkilerin ve g\u0131da mahsullerinin yapraklar\u0131nda ve yer \u00fcst\u00fcndeki k\u0131s\u0131mlar\u0131nda birikebilirler.\u00a0Ayr\u0131ca k\u00fc\u00e7\u00fck organizmalar\u0131n ve bal\u0131klar\u0131n v\u00fccutlar\u0131na al\u0131n\u0131rlar.\u00a0Sonu\u00e7 olarak, bal\u0131k yiyen ki\u015filer, yedikleri bal\u0131klarda biyolojik olarak biriken PCB&#8217; lere maruz kalabilir.<\/p>\n<p style=\"text-align: justify;\">PCB&#8217; lerin \u00e7e\u015fitli olumsuz sa\u011fl\u0131k etkilerine neden oldu\u011fu g\u00f6sterilmi\u015ftir.\u00a0Hayvanlarda kansere neden oldu\u011fu ve hayvanlarda bir dizi kanser d\u0131\u015f\u0131 ciddi sa\u011fl\u0131k etkilerine neden oldu\u011fu g\u00f6sterilmi\u015ftir: ba\u011f\u0131\u015f\u0131kl\u0131k sistemi, \u00fcreme sistemi, sinir sistemi, endokrin sistemi vs. \u0130nsanlarda yap\u0131lan \u00e7al\u0131\u015fmalar, PCB&#8217; lerin potansiyel kanserojen ve kanserojen olmayan etkilerine dair kan\u0131tlar\u0131 desteklemektedir.\u00a0PCB&#8217; lerin farkl\u0131 sa\u011fl\u0131k etkileri birbiriyle ili\u015fkili olabilir.\u00a0Bir sistemdeki de\u011fi\u015fikliklerin v\u00fccudun di\u011fer sistemleri i\u00e7in \u00f6nemli etkileri olabilir.<\/p>\n<p style=\"text-align: justify;\">Mevcut kan\u0131tlara dayanarak, Ulusal Mesleki G\u00fcvenlik ve Sa\u011fl\u0131k Enstit\u00fcs\u00fc (NIOSH), PCB&#8217; lerin i\u015fyerlerinde potansiyel insan kanserojenleri olarak g\u00f6r\u00fclmesini \u00f6nermeye devam etmektedir.<\/p>\n<p style=\"text-align: justify;\">PCB \u00fcretimi 1979 y\u0131l\u0131 itibariyle Amerika Birle\u015fik Devletleri\u2019 nde yasaklanm\u0131\u015ft\u0131r.<\/p>\n<p style=\"text-align: justify;\"><strong>Feyza YAL\u00c7IN<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Kimyager<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>KAYNAKLAR:<\/strong><\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.cdc.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.cdc.gov\/<\/a><\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.epa.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.epa.gov\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Di\u011fer Blog Yaz\u0131lar\u0131m\u0131z \u0130\u00e7in:\u00a0<\/strong><a href=\"https:\/\/demo.haliccevre.com\/blog\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/demo.haliccevre.com\/blog\/\u00a0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Poliklorlu bifeniller, yani PCB\u2019 ler; karbon, hidrojen ve klor atomlar\u0131ndan olu\u015fan insan yap\u0131m\u0131 organik kimyasallar\u00a0grubudur.\u00a0Klor atomlar\u0131n\u0131n say\u0131s\u0131 ve bir PCB molek\u00fcl\u00fcndeki konumlar\u0131, bir\u00e7ok fiziksel ve kimyasal \u00f6zelli\u011fini belirler.\u00a0PCB&#8217; lerin bilinen bir tad\u0131 veya kokusu yoktur ve bir ya\u011fdan mumsu bir kat\u0131ya kadar tutarl\u0131l\u0131k g\u00f6sterirler. PCB\u2019 ler bir dizi toksisiteye sahiptirler ve ince, a\u00e7\u0131k renkli s\u0131v\u0131lardan &#8230; <a title=\"POL\u0130KLORLU B\u0130FEN\u0130LLER (PCB\u2019 ler)\" class=\"read-more\" href=\"https:\/\/demo.haliccevre.com\/poliklorlu-bifeniller-pcb-ler\/\" aria-label=\"Read more about POL\u0130KLORLU B\u0130FEN\u0130LLER (PCB\u2019 ler)\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[350,355],"class_list":["post-14068","post","type-post","status-publish","format-standard","hentry","category-blog","tag-pcb","tag-poliklorlu-bifeniller"],"_links":{"self":[{"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/posts\/14068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/comments?post=14068"}],"version-history":[{"count":0,"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/posts\/14068\/revisions"}],"wp:attachment":[{"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/media?parent=14068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/categories?post=14068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo.haliccevre.com\/wp-json\/wp\/v2\/tags?post=14068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}