{"id":1455,"date":"2023-07-14T20:16:02","date_gmt":"2023-07-14T20:16:02","guid":{"rendered":"https:\/\/chemuza.org\/tr\/kobalt\/"},"modified":"2023-07-14T20:16:02","modified_gmt":"2023-07-14T20:16:02","slug":"kobalt","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/kobalt\/","title":{"rendered":"Kobalt"},"content":{"rendered":"<p>Do\u011fada %0,001 oran\u0131yla yayg\u0131n olarak da\u011f\u0131lan bir element. Magmatik kayalarda, y\u0131ld\u0131zlarda, meteorlarda, tatl\u0131 sularda, bitkilerde, denizlerde ve hayvanlarda bulunur. \u00c7evrede olduk\u00e7a stabildir ve y\u00fcksek s\u0131cakl\u0131klara maruz kald\u0131\u011f\u0131nda oksitlenerek k\u0131rm\u0131z\u0131ya d\u00f6ner. A\u015fa\u011f\u0131da kobalt\u0131n ve bu metalin ayr\u0131nt\u0131lar\u0131n\u0131n k\u0131sa bir a\u00e7\u0131klamas\u0131 bulunmaktad\u0131r.<\/p>\n<h2> <strong>Kobalt nedir?<\/strong><\/h2>\n<p> Periyodik tablonun ge\u00e7i\u015f metallerine ait atom numaras\u0131 27 ile i\u015faretlenmi\u015f kimyasal bir elementtir. Atom a\u011f\u0131rl\u0131\u011f\u0131 58,93 olup, normal s\u0131cakl\u0131klarda d\u00fc\u015f\u00fck s\u00fcneklik ve mukavemete sahip manyetiktir. Ayr\u0131ca cam\u0131n, boyalar\u0131n ve emayelerin mavi rengini olu\u015fturmak i\u00e7in \u00e7e\u015fitli ala\u015f\u0131mlar olu\u015fturmas\u0131na olanak tan\u0131yan ferromanyetik \u00f6zelliklere sahiptir.<\/p>\n<h3> <strong>Kobalt sembol\u00fc<\/strong><\/h3>\n<p> <span class=\"content-chemical-element\" style=\"float: left;width: 65px;height: 65px;border: 3px solid #666; display:flex;\n    justify-content: center;align-items: center;margin-right: 15px;\"><span style=\"font-size: 38px;\">Co<\/span><\/span> Ad\u0131, elf anlam\u0131na gelen Almanca Kobalt kelimesinden gelmektedir. Zehirlili\u011fi ve rengi g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, madencilerin onu, goblinlerin g\u00fcm\u00fc\u015f ve nikelle kar\u0131\u015ft\u0131r\u0131larak onlar\u0131 hasta eden ve di\u011fer minerallerin \u00e7\u0131kar\u0131lmas\u0131nda sorunlara neden olan bir metal olarak g\u00f6rmesi nedeniyle bu ad\u0131 alm\u0131\u015ft\u0131r.<\/p>\n<h2> <strong>Kobalt\u0131n \u00f6zellikleri<\/strong><\/h2>\n<p> Bu metal periyodik tablonun 9. grubunda yer almaktad\u0131r. Y\u00fcksek gerilim direncine sahip mavimsi beyaz ferromanyetik \u00f6zelliklere sahiptir. Ayr\u0131ca termaldir ve t\u0131pk\u0131 Nikel ve Demir gibi iyi elektrokimyasal iletkenli\u011fe sahiptir. Metalin di\u011fer \u00f6zellikleri \u015funlard\u0131r:<\/p>\n<ul>\n<li> <strong>Durum<\/strong> : Sa\u011flam.<\/li>\n<li> <strong>Tat ve koku<\/strong> : Metalik, karakteristik kokusu yoktur.<\/li>\n<li> <strong>Kompozisyon<\/strong> : 32 n\u00f6tron, 27 proton ve 27 elektrondan olu\u015fan atom modeli.<\/li>\n<li> <strong>Yap\u0131s\u0131<\/strong> : 2 allotropik \u015fekle sahiptir; biri alt\u0131gen geometrili kristal, di\u011feri y\u00fczlerinde k\u00fcbiktir.<\/li>\n<li> <strong>Diren\u00e7<\/strong> : Y\u00fcksek olup su veya r\u00fczgardan kaynaklanan a\u015f\u0131nma ve y\u0131pranmaya kar\u015f\u0131 dayan\u0131kl\u0131d\u0131r, ancak nitrik, hidroklorik ve s\u00fclf\u00fcrik asitlere kar\u015f\u0131 zay\u0131ft\u0131r.<\/li>\n<li> <strong>Toksisite<\/strong> : Y\u00fcksek olup toz halinde \u00e7ok yan\u0131c\u0131d\u0131r.<\/li>\n<li> <strong>\u00c7\u00f6z\u00fcn\u00fcrl\u00fck<\/strong> : PH de\u011ferine ba\u011fl\u0131 olarak suda \u00e7\u00f6z\u00fcn\u00fcr.<\/li>\n<\/ul>\n<h2> <strong>Kobalt\u0131n kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 27<\/li>\n<li> <strong>D\u00f6nem<\/strong> : 4<\/li>\n<li> <strong>Engelle<\/strong> \ud83d\ude00<\/li>\n<li> <strong>Grup<\/strong> : 9<\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap (\u00c5):<\/strong> 126<strong> <\/strong>\u00f6\u011fleden sonra<\/li>\n<li> <strong>\u00d6zg\u00fcl \u0131s\u0131:<\/strong> 420 J \/ (K kg)<\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol):<\/strong> 58,93<\/li>\n<li> <strong>Yo\u011funluk:<\/strong> 8,9 Kg\/m3<\/li>\n<li> <strong>Kaynama noktas\u0131:<\/strong> 2900<strong> <\/strong>\u00b0C<\/li>\n<li> <strong>Erime noktas\u0131:<\/strong> 1495\u00b0C<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131:<\/strong> 152 saat<\/li>\n<li> <strong>Ortalama yar\u0131\u00e7ap:<\/strong> 135 saat<\/li>\n<li> <strong>Oksidasyon durumu:<\/strong> 5, 4, 3, 2, 1, -1<\/li>\n<li> <strong>Birinci iyonla\u015fma potansiyeli eV:<\/strong> 7,90<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Ar]3d74s2<\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> 0-100 C (W m-1 K-1)<\/li>\n<li> <strong>Kabuk ba\u015f\u0131na elektron say\u0131s\u0131:<\/strong> 2, 8, 15, 2<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 1.8<\/li>\n<\/ol>\n<h2> <strong>Kobalt\u0131n k\u00f6keni<\/strong><\/h2>\n<p> Bu metalin tarihi, heykelcik yap\u0131m\u0131nda kullan\u0131ld\u0131\u011f\u0131 Pers ve M\u0131s\u0131r k\u00fclt\u00fcrlerinde milattan \u00f6nceki \u00e7ok eski tarihlere dayanmaktad\u0131r. Kimyasal bir element olarak 1730 y\u0131l\u0131nda George Brandt taraf\u0131ndan ke\u015ffedilmi\u015f ve bu elementin cama mavi renk verdi\u011fini bir deneyle kan\u0131tlam\u0131\u015ft\u0131r.<\/p>\n<p> \u00d6zellikleri kan\u0131tland\u0131ktan sonra, di\u011fer metallerin element olarak kaydedilmedi\u011fi tarih \u00f6ncesi \u00e7a\u011flarda ke\u015ffedilen ilk metalik bile\u015fik oldu.<\/p>\n<h2> <strong>Kobalt ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Metalin elde edilmesi sanayi ve metalurji sekt\u00f6r\u00fcnde ala\u015f\u0131m \u00fcretiminde kullan\u0131lmaktad\u0131r. Bunlar t\u00fcrbinlerin, karb\u00fcrlerin ve elmaslar\u0131n performans\u0131n\u0131 art\u0131r\u0131r. Di\u011fer kullan\u0131mlar \u015funlar\u0131 i\u00e7erir:<\/p>\n<h3> <strong>Ala\u015f\u0131mlar<\/strong><\/h3>\n<p> Bunlar bir veya daha fazla elementin kar\u0131\u015f\u0131mlar\u0131d\u0131r ve kobalt olanlar makinelerin, aletlerin, cam contalar\u0131n ve di\u015f\u00e7ilik par\u00e7alar\u0131n\u0131n imalat\u0131nda kullan\u0131l\u0131r. Ayr\u0131ca kobalt ve nikel kar\u0131\u015f\u0131m\u0131 manyetik bant ve m\u0131knat\u0131s \u00fcretiminde de kullan\u0131lmaktad\u0131r. Di\u011ferleri bel ve dizler i\u00e7in ortopedik implantlar\u0131n olu\u015fturulmas\u0131na y\u00f6neliktir.<\/p>\n<h3> <strong>T\u0131p alan\u0131nda<\/strong><\/h3>\n<p> Kobalt 60 t\u0131pta kanserli t\u00fcm\u00f6rlerin tedavisi i\u00e7in ideal olan gama \u0131\u015f\u0131nlar\u0131n\u0131n \u00fcretiminde kullan\u0131l\u0131yor. Ayr\u0131ca t\u0131bbi ekipmanlar\u0131n sterilizasyonu, at\u0131klar, g\u0131da temizli\u011fi, radyoterapi ve nesne yo\u011funluk \u00f6l\u00e7\u00fcmlerinde de etkilidir.<\/p>\n<h3> <strong>End\u00fcstri sekt\u00f6r\u00fc<\/strong><\/h3>\n<p> Bu elementin bile\u015fikleri emaye, cam renklendirici ve seramik \u00fcretiminde kullan\u0131l\u0131r. Tak\u0131lar\u0131n kaplanmas\u0131nda oksidasyonu \u00f6nleyen koruyucu bir madde olarak kullan\u0131l\u0131r. Ayr\u0131ca kimya sekt\u00f6r\u00fcnde yak\u0131tlar\u0131n sentezinde homojen ve heterojen kataliz\u00f6r olarak kullan\u0131lmaktad\u0131r.<\/p>\n<h2> <strong>Kobalt nas\u0131l elde edilir?<\/strong><\/h2>\n<p> Kobalt\u0131n elde edilmesi, k\u00fck\u00fcrtl\u00fc malzemelerin k\u0131smen kavrulmas\u0131 yoluyla Demir, Bak\u0131r ve Nikelden ayr\u0131lmas\u0131ndan olu\u015fur. Kimyasal s\u00fcre\u00e7te di\u011fer metaller oksitlenir ve geriye s\u00fclf\u00fcr i\u00e7eren bir ham madde kal\u0131r. Daha sonra, \u00e7\u00f6z\u00fcn\u00fcr malzemenin s\u00fcz\u00fclmesi veya ekstraksiyonu, s\u0131v\u0131 bir \u00e7\u00f6z\u00fcc\u00fcn\u00fcn etkisi alt\u0131nda ger\u00e7ekle\u015ftirilir. Bu teknik, elementin saf bir \u00f6rne\u011fini elde edene kadar elementleri azar azar ay\u0131r\u0131r.<\/p>\n<h2> <strong>Kobalt i\u00e7eren g\u0131dalar<\/strong><\/h2>\n<p> Bu bile\u015fik v\u00fccut ve h\u00fccresel metabolizma i\u00e7in hayati \u00f6nem ta\u015f\u0131yan bir eser elementtir. Bal\u0131kta, karaci\u011ferde, etlerde, tah\u0131llarda, bu\u011fdayda, kuruyemi\u015flerde, s\u00fctte, mercimekte, so\u011fanda, pirin\u00e7te ve pancarda bulabilirsiniz. Hatta v\u00fccuda fayda sa\u011flayan B12 vitamininin de \u00f6nemli bir par\u00e7as\u0131d\u0131r.<\/p>\n<p> \u00d6zetle, en g\u00fc\u00e7l\u00fc ge\u00e7i\u015f metallerinden biridir ve metalurji, t\u0131p ve elektronik alanlar\u0131ndaki uygulamalarla \u00e7e\u015fitli ala\u015f\u0131mlar olu\u015fturma yetene\u011fine sahiptir. Ayr\u0131ca Kobalt\u0131n do\u011fal fonksiyonlar\u0131 sa\u011fl\u0131\u011fa ve ba\u011f\u0131\u015f\u0131kl\u0131k sistemine fayda sa\u011flar.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do\u011fada %0,001 oran\u0131yla yayg\u0131n olarak da\u011f\u0131lan bir element. Magmatik kayalarda, y\u0131ld\u0131zlarda, meteorlarda, tatl\u0131 sularda, bitkilerde, denizlerde ve hayvanlarda bulunur. \u00c7evrede olduk\u00e7a stabildir ve y\u00fcksek s\u0131cakl\u0131klara maruz kald\u0131\u011f\u0131nda oksitlenerek k\u0131rm\u0131z\u0131ya d\u00f6ner. A\u015fa\u011f\u0131da kobalt\u0131n ve bu metalin ayr\u0131nt\u0131lar\u0131n\u0131n k\u0131sa bir a\u00e7\u0131klamas\u0131 bulunmaktad\u0131r. Kobalt nedir? Periyodik tablonun ge\u00e7i\u015f metallerine ait atom numaras\u0131 27 ile i\u015faretlenmi\u015f kimyasal bir elementtir. &#8230; <a title=\"Kobalt\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/kobalt\/\" aria-label=\"More on Kobalt\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kobalt - Chemuza<\/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:\/\/chemuza.org\/tr\/kobalt\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kobalt - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Do\u011fada %0,001 oran\u0131yla yayg\u0131n olarak da\u011f\u0131lan bir element. 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