{"id":1521,"date":"2023-07-13T18:30:03","date_gmt":"2023-07-13T18:30:03","guid":{"rendered":"https:\/\/chemuza.org\/tr\/uranyum\/"},"modified":"2023-07-13T18:30:03","modified_gmt":"2023-07-13T18:30:03","slug":"uranyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/uranyum\/","title":{"rendered":"Uranyum"},"content":{"rendered":"<p>Uranyum, d\u00fc\u015f\u00fck konsantrasyonlarda olmas\u0131na ra\u011fmen kayalarda, suda, toprakta ve canl\u0131larda do\u011fal olarak bulunur. Ayr\u0131ca denizlerde metal ve karbonat gibi kompleks tuzlar halinde de bulunur. Modern uygulamalar\u0131ndan baz\u0131lar\u0131 teknoloji, askeri, n\u00fckleer end\u00fcstri ve t\u0131p alanlar\u0131ndad\u0131r. \u015eimdi bu kimyasal element hakk\u0131nda daha fazla ayr\u0131nt\u0131 \u00f6\u011frenin.<\/p>\n<h2> <strong>Uranyum nedir?<\/strong><\/h2>\n<p> Periyodik tablonun aktinit grubuna ait, g\u00fcm\u00fc\u015fi grimsi renkli kimyasal bir elementtir. Bile\u015fikleri aras\u0131nda uranyum nitrat, uranyum heksaflor\u00fcr, uranyum dioksit, uranyum oksit ve uranyum tetraflor\u00fcr bulunur.<\/p>\n<h3> <strong>Uranyum 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;\">U<\/span><\/span> Atom numaras\u0131 92 ve k\u00fctlesi 238,03 olan kimyasal tablonun 3. grup, 7. periyodunda yer al\u0131r. Uranyum 234, Uranyum 235 ve Uranyum 238 ad\u0131 verilen, ayn\u0131 kimyasal y\u00fcke sahip ancak farkl\u0131 radyoaktif \u00f6zelliklere sahip \u00fc\u00e7 izotopun kar\u0131\u015f\u0131m\u0131d\u0131r.<\/p>\n<h2> <strong>Uranyumun \u00f6zellikleri<\/strong><\/h2>\n<p> Yo\u011fun, d\u00f6v\u00fclebilir ve s\u00fcnek bir metaldir, ancak elektri\u011fi zay\u0131f bir iletkendir. Nitrik asit ve hidroklorik asitte \u00e7\u00f6z\u00fclebilir. Ancak hidroflorik ve s\u00fclf\u00fcrik asitler gibi oksitleyici olmayan asitlerde yava\u015f \u00e7\u00f6z\u00fcn\u00fcr. Uranyumun di\u011fer \u00f6zellikleri \u015funlard\u0131r:<\/p>\n<ul>\n<li> <strong>Manyetizma:<\/strong> Paramanyetik bir metaldir.<\/li>\n<li> <strong>Kimyasal Reaktivite:<\/strong> \u00c7o\u011fu metalik element ve ikili bile\u015fikle reaksiyona girer.<\/li>\n<li> <strong>Allotropi:<\/strong> Ortorombik kristal geometriye sahip Alfa Uranyum, k\u00fcbik geometriye sahip Gama Uranyum ve tetragonal geometriye sahip Beta Uranyum olmak \u00fczere 3 formu vard\u0131r.<\/li>\n<li> <strong>Yo\u011funluk:<\/strong> Kur\u015fundan sonra yo\u011funlu\u011fu %70 daha fazlad\u0131r, ancak Wolfram&#8217;dan daha d\u00fc\u015f\u00fck seviyededir.<\/li>\n<\/ul>\n<h2> <strong>Uranyumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 92<\/li>\n<li> <strong>D\u00f6nem:<\/strong> 6<\/li>\n<li> <strong>Blok:<\/strong> f<\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap:<\/strong> 196<\/li>\n<li> <strong>Termal genle\u015fme:<\/strong> 13,9<\/li>\n<li> <strong>Kayma mod\u00fcl\u00fc:<\/strong> 111 GPa<\/li>\n<li> <strong>Erime noktas\u0131:<\/strong> 1405.3K<\/li>\n<li> <strong>Kaynama noktas\u0131:<\/strong> 4404K<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 1,38<\/li>\n<li> <strong>Young mod\u00fcl\u00fc:<\/strong> 208 GPa<\/li>\n<li> <strong>Hacim mod\u00fcl\u00fc:<\/strong> 100 GPa<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131:<\/strong> 156 ampirik<\/li>\n<li> <strong>Ses h\u0131z\u0131:<\/strong> 20\u00b0C&#8217;de 3155 m\/s<\/li>\n<li> <strong>Buharla\u015fma \u0131s\u0131s\u0131: 417,1<\/strong> Kj\/mol<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Rn] 5f <sup>3<\/sup> 6d <sup>1<\/sup> 7s <sup>2<\/sup><\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> 27,5W<\/li>\n<li> <strong>F\u00fczyon \u0131s\u0131s\u0131:<\/strong> 9,14 Kj\/mol<\/li>\n<\/ol>\n<h2> <strong>Uranyumun k\u00f6keni<\/strong><\/h2>\n<p> 1789 y\u0131l\u0131nda Alman kimyager Martin Heinrich Klaproth taraf\u0131ndan laboratuvar\u0131nda \u00e7al\u0131\u015f\u0131rken ke\u015ffedildi. Bir zamanlar, ziftblend veya uraninitin nitrik asit i\u00e7inde \u00e7\u00f6z\u00fclmesi ve bu \u00e7\u00f6zeltinin sodyum hidroksit ile n\u00f6trle\u015ftirilmesiyle sar\u0131 bir madde \u00e7\u00f6keltildi. Bunu g\u00f6r\u00fcnce, hen\u00fcz ke\u015ffedilmemi\u015f bir elementin oksitine ait oldu\u011funu varsayd\u0131 ve onu \u0131s\u0131tmaya ba\u015flad\u0131. Sonu\u00e7, siyah bir toz veya uranyum oksitti. Ad\u0131n\u0131, efsanevi Yunan g\u00f6ky\u00fcz\u00fc tanr\u0131s\u0131n\u0131n onuruna Uran\u00fcs gezegeninden alm\u0131\u015ft\u0131r.<\/p>\n<h2> <strong>Uranyum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Bu metal n\u00fckleer santrallerde elektrik \u00fcretmek i\u00e7in gereken yak\u0131t\u0131 sa\u011flar. Yayg\u0131n bir metal olmas\u0131na ra\u011fmen yenilenemeyen bir enerji kayna\u011f\u0131 olarak kabul edilir. \u0130\u015fte en pop\u00fcler uygulamalar\u0131ndan baz\u0131lar\u0131:<\/p>\n<h3> <strong>End\u00fcstri<\/strong><\/h3>\n<p> Seyreltilmi\u015f uranyum, sondaj makineleri ve a\u011f\u0131r i\u015f m\u00fchimmatlar\u0131n\u0131n yap\u0131m\u0131nda kullan\u0131l\u0131yor. Ayr\u0131ca sava\u015f tanklar\u0131 ve f\u00fczelerin z\u0131rh yap\u0131m\u0131nda da faydal\u0131d\u0131r. Y\u00fcksek yo\u011funlu\u011fu nedeniyle yelkenli tekneler, yapay uydular ve gemiler i\u00e7in stabilizat\u00f6r ve balast olarak kullan\u0131l\u0131r. U\u00e7a\u011f\u0131n u\u00e7u\u015f kabiliyetini stabilize etmek ve sa\u011flamak i\u00e7in seyreltilmi\u015f uranyum, kar\u015f\u0131 a\u011f\u0131rl\u0131k unsuru olarak g\u00f6rev yapar.<\/p>\n<p> Pl\u00fctonyum, atom silahlar\u0131n\u0131n \u00fcretiminde kullan\u0131lan <sup>238<\/sup> U izotopundan elde ediliyor. Ayr\u0131ca n\u00fckleer reakt\u00f6rlerin \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131na da yard\u0131mc\u0131 olur. Ek olarak, bir\u00e7ok bilim adam\u0131 ve jeolog, D\u00fcnya&#8217;n\u0131n ya\u015f\u0131n\u0131 incelemek i\u00e7in uranyum-238&#8217;i kullan\u0131yor. Ayn\u0131 \u015fekilde ye\u015fil veya sar\u0131 renkte parlayan kristallerin yap\u0131m\u0131nda da kullan\u0131l\u0131r. Ala\u015f\u0131mlar\u0131na, s\u0131v\u0131 yak\u0131t tedarikinde zenginle\u015ftirilmi\u015f uranyumun seyreltilmesinde ihtiya\u00e7 duyulur.<\/p>\n<h3> <strong>G\u00fcndelik Ya\u015fam<\/strong><\/h3>\n<p> Uygulama alanlar\u0131 s\u0131n\u0131rl\u0131 olmas\u0131na ra\u011fmen renkli s\u0131r yap\u0131m\u0131nda ve dekoratif seramik objelerin parlakl\u0131k, renk ve dayan\u0131kl\u0131l\u0131k kazand\u0131r\u0131lmas\u0131 amac\u0131yla kaplanmas\u0131nda kullan\u0131lm\u0131\u015ft\u0131r. Ayr\u0131ca topra\u011fa besin sa\u011flayan ve bitkilerin b\u00fcy\u00fcmesini sa\u011flayan g\u00fcbrelerin \u00fcretiminde de kullan\u0131l\u0131r.<\/p>\n<h3> <strong>\u0130la\u00e7<\/strong><\/h3>\n<p> Sa\u011fl\u0131k profesyonelleri, hastal\u0131klar\u0131 te\u015fhis etmek i\u00e7in kendilerini X-\u0131\u015f\u0131n\u0131 yayan ekipmanlardan korumal\u0131d\u0131r. Bu nedenle uranyum bazl\u0131 \u00f6zel koruyucu giysiler yap\u0131l\u0131r, \u00e7\u00fcnk\u00fc bu element \u0131\u015f\u0131nlar\u0131n v\u00fccuda girmesini engeller. \u00d6te yandan cerrahi aletlerin sterilizasyonunda ve kemoterapi tedavisinde de kullan\u0131lmaktad\u0131r.<\/p>\n<h2> <strong>Uranyum nas\u0131l \u00e7\u0131kar\u0131l\u0131r?<\/strong><\/h2>\n<p> Bu, madencilik teknolojisinin kullan\u0131lmas\u0131yla elde edilir. Y\u00fczeye kapat\u0131ld\u0131\u011f\u0131nda a\u00e7\u0131k havaya yap\u0131l\u0131rken, daha derinlerde yer alt\u0131 madencili\u011fi kullan\u0131l\u0131r. Ancak i\u015f\u00e7ilerin, tesisin \u00fcretti\u011fi radon gaz\u0131na do\u011frudan maruz kalmamalar\u0131 i\u00e7in bu \u00e7al\u0131\u015fman\u0131n havaland\u0131r\u0131lan alanlarda yap\u0131lmas\u0131na dikkat edilmelidir.<strong> <\/strong>uranyumun bozunmas\u0131.<\/p>\n<p> Sonu\u00e7 olarak uranyum, kayalar, toprak ve su da dahil olmak \u00fczere yer kabu\u011funda bulunur. Berilyum, c\u0131va, g\u00fcm\u00fc\u015f, wolfram ve alt\u0131ndan daha bol miktarda bulunur. Ek olarak, madencilik s\u00fcreciyle uraninit gibi di\u011fer minerallerden de \u00e7\u0131kar\u0131l\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uranyum, d\u00fc\u015f\u00fck konsantrasyonlarda olmas\u0131na ra\u011fmen kayalarda, suda, toprakta ve canl\u0131larda do\u011fal olarak bulunur. Ayr\u0131ca denizlerde metal ve karbonat gibi kompleks tuzlar halinde de bulunur. Modern uygulamalar\u0131ndan baz\u0131lar\u0131 teknoloji, askeri, n\u00fckleer end\u00fcstri ve t\u0131p alanlar\u0131ndad\u0131r. \u015eimdi bu kimyasal element hakk\u0131nda daha fazla ayr\u0131nt\u0131 \u00f6\u011frenin. Uranyum nedir? Periyodik tablonun aktinit grubuna ait, g\u00fcm\u00fc\u015fi grimsi renkli kimyasal bir &#8230; <a title=\"Uranyum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/uranyum\/\" aria-label=\"More on Uranyum\">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>Uranyum - 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\/uranyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uranyum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Uranyum, d\u00fc\u015f\u00fck konsantrasyonlarda olmas\u0131na ra\u011fmen kayalarda, suda, toprakta ve canl\u0131larda do\u011fal olarak bulunur. Ayr\u0131ca denizlerde metal ve karbonat gibi kompleks tuzlar halinde de bulunur. Modern uygulamalar\u0131ndan baz\u0131lar\u0131 teknoloji, askeri, n\u00fckleer end\u00fcstri ve t\u0131p alanlar\u0131ndad\u0131r. \u015eimdi bu kimyasal element hakk\u0131nda daha fazla ayr\u0131nt\u0131 \u00f6\u011frenin. Uranyum nedir? Periyodik tablonun aktinit grubuna ait, g\u00fcm\u00fc\u015fi grimsi renkli kimyasal bir ... 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