{"id":1491,"date":"2023-07-14T06:42:28","date_gmt":"2023-07-14T06:42:28","guid":{"rendered":"https:\/\/chemuza.org\/tr\/europiyum\/"},"modified":"2023-07-14T06:42:28","modified_gmt":"2023-07-14T06:42:28","slug":"europiyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/europiyum\/","title":{"rendered":"Evropyum"},"content":{"rendered":"<p>Evropiyum, yerkabu\u011funda 0,3 ppm d\u00fczeyinde en az miktarda bulunan lantanit kimyasal elementlerinden biridir. Var olan en reaktif ve en u\u00e7ucu ikinci madde olmas\u0131yla \u00f6ne \u00e7\u0131k\u0131yor, ayr\u0131ca erime noktas\u0131nda kayda de\u011fer bir buhar bas\u0131nc\u0131 \u00fcretiyor. N\u00fckleer alanda kullan\u0131l\u0131r ve di\u011fer end\u00fcstriyel s\u00fcre\u00e7lerin ana kayna\u011f\u0131d\u0131r. Bu b\u00f6l\u00fcmde \u00fcretti\u011fi t\u00fcm faydalar\u0131 \u00f6\u011frenin.<\/p>\n<h2> <strong>Evropiyum nedir?<\/strong><\/h2>\n<p> Bu metaloid periyodik tablonun 6. periyodunda bulunur. K\u0131vam\u0131 sert, ancak kolayca \u015fekillendirilebilir, do\u011fal halindeki rengi, y\u00fcksek oksitleme g\u00fcc\u00fcnden dolay\u0131 beyaz\u0131ms\u0131 veya donuk g\u00fcm\u00fc\u015ft\u00fcr. Havadaki ve sudaki oksijenle kolayca reaksiyona girer. Ayr\u0131ca kararl\u0131 ve do\u011fal izotoplara sahiptir.<\/p>\n<h3> <strong>Avrupa&#8217;n\u0131n 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;\">Eu<\/span><\/span> Europium kelimesi, onu ke\u015ffeden Frans\u0131z kimyager Eug\u00e8ne Antole Demarcay taraf\u0131ndan Avrupa&#8217;ya sayg\u0131 duru\u015fu niteli\u011findedir, \u00e7\u00fcnk\u00fc bu k\u0131tadan gelmektedir ve kimyasal element ilk kez \u0130sve\u00e7&#8217;te bulunmu\u015ftur.<\/p>\n<h2> <strong>Europium&#8217;un \u00f6zellikleri<\/strong><\/h2>\n<p> 5 x 10 y\u0131l aras\u0131nda orta ve uzun ortalama \u00f6mre sahip bir toprak bile\u015fimi ile paramanyetik \u00f6zelliklere sahiptir. Rengi, florit gibi baz\u0131 minerallerin ve di\u011fer kimyasal elementlerin floresan \u0131\u015f\u0131\u011f\u0131 yaymas\u0131na olanak tan\u0131r. Ayr\u0131ca ba\u015fka bir dizi ay\u0131rt edici \u00f6zelli\u011fi de g\u00f6zlemliyoruz:<\/p>\n<ul>\n<li> <strong>Durum<\/strong> : Sa\u011flam.<\/li>\n<li> <strong>Renk<\/strong> : Beyaz\u0131ms\u0131, par\u0131lt\u0131s\u0131z g\u00fcm\u00fc\u015fi.<\/li>\n<li> <strong>\u00c7\u00f6z\u00fcn\u00fcrl\u00fck<\/strong> : Europium oksit suda \u00e7\u00f6z\u00fcnmez.<\/li>\n<li> <strong>Zehirlilik<\/strong> : Gazlar\u0131n\u0131n solunmas\u0131na az ve s\u0131k maruz kalma zehirlidir.<\/li>\n<li> <strong>Reaktivite<\/strong> : Havadaki oksijenle veya suyla reaksiyona girerek hidroksitler olu\u015fturur.<\/li>\n<li> <strong>Yap\u0131s\u0131<\/strong> : Kristalin, merkezli k\u00fcbik \u015fekil.<\/li>\n<li> <strong>Bile\u015fimi<\/strong> : 63 elektron ve 88 n\u00f6trondan olu\u015fur.<\/li>\n<\/ul>\n<h2> <strong>\u00d6ropiyumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 63<\/li>\n<li> <strong>D\u00f6nem<\/strong> : 6<\/li>\n<li> <strong>Blok<\/strong> : F<\/li>\n<li> <strong>Grup<\/strong> : Lantanitler<\/li>\n<li> <strong>Valensiya:<\/strong> 2.3<\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap (\u00c5):<\/strong> 1,85<\/li>\n<li> <strong>Yo\u011funluk:<\/strong> 5244 kg\/m\u00b3<\/li>\n<li> <strong>Erime noktas\u0131:<\/strong> 826\u00b0C<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131:<\/strong> 2,04 \u00c5<\/li>\n<li> <strong>\u0130yonik yar\u0131\u00e7ap:<\/strong> 1,12 \u00c5<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 1.2<\/li>\n<li> <strong>Oksidasyon durumu:<\/strong> +2<\/li>\n<li> <strong>Pas:<\/strong> Biraz basit.<\/li>\n<li> <strong>\u00d6zg\u00fcl \u0131s\u0131:<\/strong> 180 J\/(K.kg)<\/li>\n<li> <strong>Kaynama noktas\u0131:<\/strong> 1439\u00b0C<\/li>\n<li> <strong>Katman ba\u015f\u0131na elektron say\u0131s\u0131:<\/strong> 2, 8, 18, 25, 8, 2<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Xe]6s <sup>2<\/sup> 4f <sup>7<\/sup><\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol):<\/strong> 151.964 g\/mol<\/li>\n<li> <strong>Birinci iyonla\u015fma potansiyeli eV:<\/strong> 547,1 kJ\/mol<\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> 13,9 W\/(Km)<\/li>\n<li> <strong>Elektrik iletkenli\u011fi:<\/strong> 1,12 S\/m<\/li>\n<\/ol>\n<h2> <strong>Europium&#8217;un K\u00f6keni<\/strong><\/h2>\n<p> Eug\u00e8ne-Antole Demarcay taraf\u0131ndan ger\u00e7ekle\u015ftirilen bir dizi kimyasal i\u015flemden sonra 1896 y\u0131l\u0131nda ke\u015ffedilmi\u015ftir. Daha sonra Sir Willian Crookes, Samarium ve Terbium minerallerinin spektroskopik analiziyle, onu a\u00e7\u0131k\u00e7a tan\u0131mlayamasa da yeni bir element ke\u015ffetti. Bununla birlikte, 1901&#8217;de Demarcay, Europium tuzunu sentezleyerek ve ke\u015ffinin de\u011feri olarak adland\u0131rarak metaloidi izole etmeyi ba\u015fard\u0131.<\/p>\n<h2> <strong>Europium ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Bu element y\u00fcksek derecede reaktiviteye sahiptir, bu nedenle n\u00fckleer reakt\u00f6rlerdeki a\u015f\u0131r\u0131 reaktif enerjiyi dengelemeye yard\u0131mc\u0131 olan bir n\u00fckleer zehir yapmak i\u00e7in kullan\u0131l\u0131r. Di\u011fer kullan\u0131mlar \u015funlard\u0131r:<\/p>\n<ul>\n<li> Lazer \u0131\u015f\u0131nlar\u0131n\u0131n \u00fcretimi.<\/li>\n<li> Kemik metastazlar\u0131 i\u00e7in terap\u00f6tik radyon\u00fcklidler \u00fcretir.<\/li>\n<li> Gama \u0131\u015f\u0131n\u0131 spektrometrelerini kalibre etmek i\u00e7in donat\u0131m.<\/li>\n<li> Jeokimyada jeolojik s\u00fcre\u00e7leri tan\u0131mlamak i\u00e7in kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<p> Ayr\u0131ca bu metaloid s\u0131kl\u0131kla metal ala\u015f\u0131mlar\u0131nda ve seramiklerde kullan\u0131l\u0131r.<\/p>\n<h2> <strong>Europium&#8217;un dopingde kullan\u0131m\u0131<\/strong><\/h2>\n<p> \u00d6zellikle katk\u0131lamada kullan\u0131l\u0131r, yani yap\u0131s\u0131n\u0131 de\u011fi\u015ftirmek i\u00e7in bir mineralin i\u00e7ine az miktarda metaloid yerle\u015ftirilir. Bir \u00f6rnek, televizyon ekranlar\u0131nda ve plazma monit\u00f6rlerde kullan\u0131lan, ikinci elemente renk ve parlakl\u0131k kazand\u0131rmak i\u00e7in europium ve fosforun birle\u015fimidir.<\/p>\n<p> Ayn\u0131 \u015fekilde, k\u0131rm\u0131z\u0131 veya +3 oksidasyon durumundaki \u00f6ropiyum, +2 veya mavi renkli bir k\u0131s\u0131m ve fosforla kar\u0131\u015ft\u0131r\u0131larak floresan beyaz \u0131\u015f\u0131k \u00fcretilir. Bu i\u015flem sayesinde floritin floresans\u0131n\u0131n yan\u0131 s\u0131ra lamba ve ampuller de elde edilir.<\/p>\n<p> Ayr\u0131ca televizyonlara k\u0131rm\u0131z\u0131 renk ve parlakl\u0131k kazand\u0131rmak i\u00e7in europium itriyum ortovanadat bile\u015fikleriyle kar\u0131\u015ft\u0131r\u0131lmaktad\u0131r. Ayr\u0131ca Avrupa bankalar\u0131nda sahtecili\u011fe kar\u015f\u0131 i\u015faretleme amac\u0131yla kullan\u0131lmaktad\u0131r.<\/p>\n<h2> <strong>Europium kimyasal elementini \u00fcreten \u00fclkeler<\/strong><\/h2>\n<p> Bu metaloidin ana \u00fcreticisi, di\u011fer nadir toprak elementleriyle birlikte %95 \u00fcretimle k\u00fcresel pazar\u0131 elinde bulunduran \u00c7in&#8217;dir. Bunu ABD ve Rusya, Vietnam, Malezya, Hindistan, Avustralya gibi \u00fclkeler takip ediyor.<\/p>\n<p> Evropiyum esas olarak bastnasit ve monazit minerallerinin kumunda bulunur; kalsiyum, seryum ve toryum fosfatlar\u0131n birle\u015fimidir. K\u00fc\u00e7\u00fck miktarlarda bulunmas\u0131na ve \u00e7\u0131kar\u0131lmas\u0131 zorlu ve pahal\u0131 bir prosed\u00fcr gerektirmesine ra\u011fmen, bu metaloid g\u00fcn\u00fcm\u00fczde kendisine verilen \u00e7e\u015fitli uygulamalar ve kullan\u0131mlar nedeniyle y\u00fcksek talep g\u00f6rmektedir.<\/p>\n<p> Son olarak, europium, d\u00f6v\u00fclebilir ala\u015f\u0131mlama ve di\u011fer elementler ve minerallerle kolay katk\u0131lama \u00f6zellikleriyle, var olan en reaktif nadir toprak metaloidleri aras\u0131ndad\u0131r. Televizyonlar\u0131n, monit\u00f6rlerin canl\u0131 renklerini ve bir\u00e7ok \u0131\u015f\u0131\u011f\u0131n floresans\u0131n\u0131 elde etmek i\u00e7in kullan\u0131l\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Evropiyum, yerkabu\u011funda 0,3 ppm d\u00fczeyinde en az miktarda bulunan lantanit kimyasal elementlerinden biridir. Var olan en reaktif ve en u\u00e7ucu ikinci madde olmas\u0131yla \u00f6ne \u00e7\u0131k\u0131yor, ayr\u0131ca erime noktas\u0131nda kayda de\u011fer bir buhar bas\u0131nc\u0131 \u00fcretiyor. N\u00fckleer alanda kullan\u0131l\u0131r ve di\u011fer end\u00fcstriyel s\u00fcre\u00e7lerin ana kayna\u011f\u0131d\u0131r. Bu b\u00f6l\u00fcmde \u00fcretti\u011fi t\u00fcm faydalar\u0131 \u00f6\u011frenin. Evropiyum nedir? Bu metaloid periyodik tablonun &#8230; <a title=\"Evropyum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/europiyum\/\" aria-label=\"More on Evropyum\">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>Evropiyum - 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\/europiyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Evropiyum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Evropiyum, yerkabu\u011funda 0,3 ppm d\u00fczeyinde en az miktarda bulunan lantanit kimyasal elementlerinden biridir. 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Var olan en reaktif ve en u\u00e7ucu ikinci madde olmas\u0131yla \u00f6ne \u00e7\u0131k\u0131yor, ayr\u0131ca erime noktas\u0131nda kayda de\u011fer bir buhar bas\u0131nc\u0131 \u00fcretiyor. N\u00fckleer alanda kullan\u0131l\u0131r ve di\u011fer end\u00fcstriyel s\u00fcre\u00e7lerin ana kayna\u011f\u0131d\u0131r. Bu b\u00f6l\u00fcmde \u00fcretti\u011fi t\u00fcm faydalar\u0131 \u00f6\u011frenin. Evropiyum nedir? Bu metaloid periyodik tablonun ... 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