{"id":1483,"date":"2023-07-14T09:38:28","date_gmt":"2023-07-14T09:38:28","guid":{"rendered":"https:\/\/chemuza.org\/tr\/seryum\/"},"modified":"2023-07-14T09:38:28","modified_gmt":"2023-07-14T09:38:28","slug":"seryum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/seryum\/","title":{"rendered":"Seryum"},"content":{"rendered":"<p>Seryum, Monasit, Cerit ve Bastnasit gibi mineraller i\u00e7inde da\u011f\u0131lm\u0131\u015f olarak D\u00fcnya kabu\u011funun %0,0046&#8217;s\u0131n\u0131 olu\u015fturur. Kirlili\u011fin azalt\u0131lmas\u0131 gibi farkl\u0131 end\u00fcstriyel ve \u00e7evresel uygulamalarda kullan\u0131l\u0131r. Ba\u015fl\u0131ca kullan\u0131m alanlar\u0131 kataliz\u00f6rlerin, ara\u00e7 emisyon azalt\u0131c\u0131lar\u0131n\u0131n, cam temizleyicilerinin ve pigmentlerin imalat\u0131d\u0131r. Bu nedenle, bu yaz\u0131dan kimyasal ve fiziksel \u00f6zellikleri hakk\u0131nda daha fazla bilgi edinin.<\/p>\n<h2> <strong>Seryum nedir?<\/strong><\/h2>\n<p> Kimyasal element olarak periyodik tablonun lantanitlerine ait bir metaldir. Rengi parlak gridir, \u00e7eli\u011fe benzer ve atom numaras\u0131 58 ile i\u015faretlenmi\u015f lantan\u0131n yan\u0131nda yer al\u0131r. Esnek ve d\u00f6v\u00fclebilir olmas\u0131yla dikkat \u00e7eker, havada oksitlenir ve k\u0131rm\u0131z\u0131ms\u0131 bir renk al\u0131r, ayr\u0131ca son derece yan\u0131c\u0131d\u0131r.<\/p>\n<h3> <strong>Seryum 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;\">Bu<\/span><\/span> isim, mineralin ke\u015ffinden 2 y\u0131l \u00f6nce, 1801 y\u0131l\u0131nda ke\u015ffedilen Ceres gezegeninden gelmektedir. Hem elemente hem de gezegene Roma&#8217;n\u0131n tar\u0131m tanr\u0131\u00e7as\u0131 Ceres&#8217;in ad\u0131 verilmi\u015ftir.<\/p>\n<h2> <strong>Seryumun \u00f6zellikleri<\/strong><\/h2>\n<p> Seryum elementi periyodik tablonun 3. grubunda Ce sembol\u00fc alt\u0131nda bulunur. Hava varl\u0131\u011f\u0131nda renk de\u011fi\u015ftiren sert, bol miktarda bulunan bir lantanittir. Ayr\u0131ca kolayca yanan ve d\u00f6rt de\u011ferlikli bile\u015fikler veya kararl\u0131 4 de\u011ferlikli bile\u015fikler olu\u015fturabilen piroforik bir metaldir. Farkl\u0131 i\u015flevler aras\u0131nda ayr\u0131ca \u015funlar bulunur:<\/p>\n<ul>\n<li> <strong>Durum<\/strong> : Sa\u011flam, sert ve a\u011f\u0131r.<\/li>\n<li> <strong>Tat ve koku<\/strong> : \u00c7ok ac\u0131, metalik ve kokusuzdur.<\/li>\n<li> <strong>Allotropi<\/strong> : S\u0131cakl\u0131\u011fa ba\u011fl\u0131 olarak de\u011fi\u015fen 4 allotropik form sunar.<\/li>\n<li> <strong>Bile\u015fimi<\/strong> : \u00c7ekirde\u011fi 58 proton ve 81 n\u00f6tronlu elektronlardan olu\u015fur.<\/li>\n<li> <strong>Toksisite<\/strong> : D\u00fc\u015f\u00fck ancak toz elementine b\u00fcy\u00fck miktarlarda maruz kalmak akci\u011fer sistemini etkiler.<\/li>\n<li> <strong>Reaktivite<\/strong> : Y\u00fcksek, su, hava ve seyreltilmi\u015f asitlerle reaksiyona girer.<\/li>\n<li> <strong>\u00c7\u00f6z\u00fcn\u00fcrl\u00fck<\/strong> : Suda \u00e7\u00f6z\u00fcn\u00fcr. Ancak bile\u015fik olu\u015ftururken \u00e7\u00f6z\u00fcnmez.<\/li>\n<li> <strong>Kristalle\u015fme<\/strong> : V\u00fccutta ve y\u00fczde k\u00fcbik merkezli olabilen s\u0131cakl\u0131\u011fa ba\u011fl\u0131 olarak de\u011fi\u015fir.<\/li>\n<li> <strong>\u0130letkenlik<\/strong> : Elektri\u011fi ve \u0131s\u0131y\u0131 stabil bir \u015fekilde da\u011f\u0131tt\u0131\u011f\u0131 i\u00e7in iyidir.<\/li>\n<\/ul>\n<h2> <strong>Seryumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 58<\/li>\n<li> <strong>D\u00f6nem<\/strong> : 6<\/li>\n<li> <strong>Blok<\/strong> : F<\/li>\n<li> <strong>Grup<\/strong> : 3<\/li>\n<li> <strong>Oksit:<\/strong> Temel<\/li>\n<li> <strong>Yo\u011funluk:<\/strong> 6689 Kg\/m3<\/li>\n<li> <strong>Oksidasyon durumu<\/strong> : 3.4<\/li>\n<li> <strong>Erime noktas\u0131:<\/strong> 798\u00b0C<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Xe] 4f15d16s2<\/li>\n<li> <strong>\u0130yonla\u015fma enerjisi:<\/strong> 534.4<\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol):<\/strong> 140 116<strong> <\/strong>Alt\u0131n<\/li>\n<li> <strong>Katman ba\u015f\u0131na elektron say\u0131s\u0131:<\/strong> 2, 8, 18, 19, 9, 2<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131:<\/strong> 185 saat<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 1.12<\/li>\n<li> <strong>\u00d6zg\u00fcl \u0131s\u0131:<\/strong> 190 J \/ (K kg)<\/li>\n<li> <strong>Kaynama noktas\u0131:<\/strong> 3426\u00b0C<\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> 11,4 W\/(Km)<\/li>\n<li> <strong>Elektrik iletkenli\u011fi:<\/strong> 1.15.106 S\/m<\/li>\n<\/ol>\n<h2> <strong>Seryumun k\u00f6keni<\/strong><\/h2>\n<p> 1803 y\u0131l\u0131nda kimyager J\u00f6ns Jacob Berzelius ve Martin Heinrich Klaproth, \u0130sve\u00e7&#8217;in Bastn\u00e4s kentinde yapt\u0131klar\u0131 ara\u015ft\u0131rmalar s\u0131ras\u0131nda bu metali ke\u015ffettiler. Bunu seryum ad\u0131n\u0131 verdikleri bir oksit formunda buldular. Daha sonra 1875 y\u0131l\u0131nda onu bir demir madeninde izole ettiler ve burada end\u00fcstriyel uygulamalarla kimyasal \u00f6zelliklerinin bir par\u00e7as\u0131 olarak sertli\u011fini ve a\u011f\u0131r karakterini fark ettiler.<\/p>\n<h2> <strong>Seryum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Neodim ve lantan i\u00e7eren metal ala\u015f\u0131mlar\u0131n\u0131n \u00fcretiminde kullan\u0131l\u0131r. Bu, \u00e7e\u015fitli kaynaklar i\u00e7in tungsten elektrot ala\u015f\u0131mlar\u0131nda kullan\u0131labilecek daha fazla i\u015flenebilirlik ve mukavemet sa\u011flar. Di\u011fer kullan\u0131mlar \u015funlard\u0131r:<\/p>\n<h3> <strong>Y\u0131ld\u0131r\u0131m<\/strong><\/h3>\n<p> Film end\u00fcstrisi i\u00e7in karbon ark ayd\u0131nlatmas\u0131nda kullan\u0131l\u0131r. Ayr\u0131ca floresan lambalar ve renkli televizyonlar\u0131n imalat\u0131nda fosfor olarak kullan\u0131l\u0131r.<\/p>\n<h3> <strong>Metalurji<\/strong><\/h3>\n<p> M\u00fckemmel elektrik iletkenli\u011fi sayesinde element, metalurji sekt\u00f6r\u00fcnde elektrotlar ve ala\u015f\u0131mlar i\u00e7in stabilizat\u00f6r olarak kullan\u0131l\u0131r. G\u00fcc\u00fcn\u00fc ve dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 artt\u0131r\u0131r.<\/p>\n<h3> <strong>Cam ve kristaller<\/strong><\/h3>\n<p> Seryum oksit, y\u00fcksek kaliteli optik tabanlar\u0131n parlat\u0131lmas\u0131nda cam a\u011fartma maddesi olarak kullan\u0131l\u0131r. Ayr\u0131ca toryum oksitle kar\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda parlak beyaz bir \u0131\u015f\u0131k huzmesi olu\u015fturarak TV&#8217;nin cam y\u00fczeylerinin kararmas\u0131n\u0131 \u00f6nler.<\/p>\n<h3> <strong>\u00c7evre<\/strong><\/h3>\n<p> Seryum oksit bile\u015fi\u011fi, ara\u00e7lardan kaynaklanan karbon monoksit emisyonlar\u0131n\u0131 azaltan katalitik bir transformat\u00f6r olarak kullan\u0131l\u0131r. \u0130\u015flevi, kirlili\u011fi durdurmak i\u00e7in t\u00fcm par\u00e7ac\u0131klar\u0131 ortadan kald\u0131rmakt\u0131r.<\/p>\n<h3> <strong>T\u0131p alan\u0131nda<\/strong><\/h3>\n<p> Oksalat formunda bulant\u0131 ve kusma ila\u00e7lar\u0131nda kullan\u0131l\u0131r. Ayr\u0131ca sistemik ve antiseptik \u00f6zelli\u011finden dolay\u0131 \u00fc\u00e7\u00fcnc\u00fc derece yan\u0131klar\u0131n tedavisinde de kullan\u0131lmaktad\u0131r.<\/p>\n<h2> <strong>Seryum oksit<\/strong><\/h2>\n<p> Cam veya kristallerdeki \u00e7izikleri ve kusurlar\u0131 gidermek i\u00e7in kullan\u0131lan bir bile\u015fiktir. Kal\u0131nl\u0131\u011f\u0131na ve kalitesine ba\u011fl\u0131 olarak cam\u0131n y\u00fczeyini ve g\u00f6r\u00fcn\u00fcm\u00fcn\u00fc iyile\u015ftirebilir. Ek olarak, LCD ekranlar\u0131, \u00f6n camlar\u0131, dekoratif cam par\u00e7alar\u0131n\u0131, m\u00fccevherleri ve sabit s\u00fcr\u00fcc\u00fcleri parlatan olduk\u00e7a a\u015f\u0131nd\u0131r\u0131c\u0131 bir madde g\u00f6revi g\u00f6r\u00fcr.<\/p>\n<p> \u00d6zetle seryum, stabil bir kimyasal bile\u015fime sahip, d\u00f6v\u00fclebilir ve s\u00fcnek bir lantanittir. Kuru havaya maruz kald\u0131\u011f\u0131nda yan\u0131c\u0131d\u0131r ve bile\u015fikleri stabil metal ala\u015f\u0131mlar\u0131 olu\u015fturmak i\u00e7in idealdir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Seryum, Monasit, Cerit ve Bastnasit gibi mineraller i\u00e7inde da\u011f\u0131lm\u0131\u015f olarak D\u00fcnya kabu\u011funun %0,0046&#8217;s\u0131n\u0131 olu\u015fturur. Kirlili\u011fin azalt\u0131lmas\u0131 gibi farkl\u0131 end\u00fcstriyel ve \u00e7evresel uygulamalarda kullan\u0131l\u0131r. Ba\u015fl\u0131ca kullan\u0131m alanlar\u0131 kataliz\u00f6rlerin, ara\u00e7 emisyon azalt\u0131c\u0131lar\u0131n\u0131n, cam temizleyicilerinin ve pigmentlerin imalat\u0131d\u0131r. Bu nedenle, bu yaz\u0131dan kimyasal ve fiziksel \u00f6zellikleri hakk\u0131nda daha fazla bilgi edinin. Seryum nedir? Kimyasal element olarak periyodik tablonun &#8230; <a title=\"Seryum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/seryum\/\" aria-label=\"More on Seryum\">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>Seryum - 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\/seryum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Seryum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Seryum, Monasit, Cerit ve Bastnasit gibi mineraller i\u00e7inde da\u011f\u0131lm\u0131\u015f olarak D\u00fcnya kabu\u011funun %0,0046&#8217;s\u0131n\u0131 olu\u015fturur. 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