{"id":1510,"date":"2023-07-13T23:54:53","date_gmt":"2023-07-13T23:54:53","guid":{"rendered":"https:\/\/chemuza.org\/tr\/osmiyum\/"},"modified":"2023-07-13T23:54:53","modified_gmt":"2023-07-13T23:54:53","slug":"osmiyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/osmiyum\/","title":{"rendered":"Osmiyum"},"content":{"rendered":"<p>Toprak alt\u0131ndaki osmiyum rezervlerinin 9 m\u00b2 oldu\u011funu tahmin eden Alman Osmiyum Enstit\u00fcs\u00fc&#8217;n\u00fcn belirtti\u011fi gibi, yer kabu\u011funda bulunan en nadir elementlerden biridir. Bu nedenle fiyat\u0131, alt\u0131n\u0131n biraz \u00fczerinde, ons ba\u015f\u0131na 1.270 dolar gibi y\u00fcksek bir rakama ula\u015f\u0131yor. Kimya, t\u0131p ve kuyumculuk end\u00fcstrilerinde nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 \u00f6\u011frenin.<\/p>\n<h2> <strong>Osmiyum nedir?<\/strong><strong><\/strong><\/h2>\n<p> Osmiyum elementi k\u0131r\u0131lgan ve g\u00fc\u00e7l\u00fc bir ge\u00e7i\u015f metalidir ve rengi grimsi beyazd\u0131r. Platin grubuna aittir ve esas olarak platinli ala\u015f\u0131mlarda kullan\u0131l\u0131r. Var olan en yo\u011fun do\u011fal elementtir ve \u0130ridyum&#8217;a \u00e7ok benzer. Bile\u015fiklerinden baz\u0131lar\u0131 \u015funlard\u0131r: osmiyum tetraflor\u00fcr, osmiyum tetroksit veya osmiyum tetroksit, osmiyum diklor\u00fcr, osmiyum triklor\u00fcr ve osmiyum tetraklor\u00fcr.<\/p>\n<h3> <strong>Osmiyum 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;\">Kemik<\/span><\/span> Periyodik tabloda atom numaras\u0131 76 ve k\u00fctlesi 190,23 olan 8 numaral\u0131 grupta yer al\u0131r. Alt\u0131s\u0131 kararl\u0131 ve \u015fu \u015fekilde i\u015faretlenmi\u015f yedi do\u011fal izotop sunar: <sup>184<\/sup> Os, <sup>187<\/sup> Os, <sup>188<\/sup> Os, <sup>189<\/sup> Os, <sup>190<\/sup> Os ve <sup>192<\/sup> Os. Radyoaktif izotoplardan yaln\u0131zca biri <sup>do\u011fal olarak olu\u015fan 186<\/sup> Os&#8217;dur.<\/p>\n<h3> <strong>Osmiyumun \u00f6zellikleri<\/strong><\/h3>\n<p> Rutenyum gibi +8 oksidasyon durumuna ula\u015f\u0131r ve alkali f\u00fczyonla \u00e7\u00f6z\u00fcnd\u00fc\u011f\u00fc i\u00e7in asitlerin sald\u0131r\u0131s\u0131na kar\u015f\u0131 diren\u00e7 g\u00f6sterir. Ayr\u0131ca sert olmas\u0131na ra\u011fmen k\u0131r\u0131lmas\u0131 m\u00fcmk\u00fcnd\u00fcr ve y\u00fcksek s\u0131cakl\u0131klarda parlakl\u0131\u011f\u0131n\u0131 bozulmadan korur. Osmiyumun di\u011fer \u00f6zellikleri \u015funlard\u0131r:<\/p>\n<ul>\n<li> <strong>Parlakl\u0131k:<\/strong> \u00c7ok parlakt\u0131r.<\/li>\n<li> <strong>Parlakl\u0131k:<\/strong> metalik.<\/li>\n<li> <strong>\u0130letkenlik:<\/strong> \u0130yi bir elektrik ve \u0131s\u0131 iletkenidir.<\/li>\n<\/ul>\n<ul>\n<li> <strong>Durumu<\/strong> : Do\u011fal haliyle sa\u011flamd\u0131r.<\/li>\n<li> <strong>Yap\u0131:<\/strong> alt\u0131gen.<\/li>\n<li> <strong>Kimyasal reaksiyon:<\/strong> Klor, oksijen ve flor ile reaksiyona girer. Kompakt ise hava ve sudaki oksitleyici olmayan asitlere kar\u015f\u0131 \u00e7ok dayan\u0131kl\u0131d\u0131r.<\/li>\n<\/ul>\n<h2> <strong>Osmiyumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 76<\/li>\n<li> <strong>D\u00f6nem:<\/strong> 6<\/li>\n<li> <strong>Blok:<\/strong> d<\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap:<\/strong> 128<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131:<\/strong> 185<\/li>\n<li> <strong>Yo\u011funluk:<\/strong> 22610 Kg\/m\u00b3<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 2.2<\/li>\n<li> <strong>Erime noktas\u0131:<\/strong> 3306K<\/li>\n<li> <strong>Kaynama noktas\u0131:<\/strong> 5285K<\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> 87,6 W<\/li>\n<li> <strong>\u00d6zg\u00fcl \u0131s\u0131:<\/strong> 130 J<\/li>\n<li> <strong>F\u00fczyon entalpisi:<\/strong> 31,8 Kj\/mol<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Xe] 4f <sup>14<\/sup> 5d <sup>6<\/sup> 6s <sup>2<\/sup><\/li>\n<li> <strong>Ses h\u0131z\u0131:<\/strong> 293,15 K&#8217;da 4940 m\/s<\/li>\n<li> <strong>Buharla\u015fma entalpisi:<\/strong> 627,6 kJ\/mol<\/li>\n<li> <strong>Buhar bas\u0131nc\u0131:<\/strong> 3300 K&#8217;de 2,52 Pa<\/li>\n<li> <strong>Elektriksel iletkenlik:<\/strong> 10,9 10 <sup>-6<\/sup> s\/m<\/li>\n<\/ol>\n<h2> <strong>Osmiyumun K\u00f6keni<\/strong><\/h2>\n<p> Osmiyum elementi 1803 y\u0131l\u0131nda \u0130ngiliz kimyager Smithson Tennant ve \u0130ngiliz fizik\u00e7i William Hyde taraf\u0131ndan \u0130ngiltere&#8217;de ke\u015ffedildi. \u00c7\u00f6z\u00fcnmeyen siyah platini kal\u0131nt\u0131s\u0131n\u0131 kral suyuyla analiz ettiler ve yeni bir metalin var oldu\u011fu sonucuna vard\u0131lar. Ad\u0131 \u0130spanyolca koku anlam\u0131na gelen Osme teriminden gelmektedir. Bununla osmiyum tetroksitten \u00e7\u0131kan duman ve k\u00fcl kokusunu kastediyorlar.<\/p>\n<h2> <strong>Osmiyum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Osmiyum kimyasal elementi, platin ile ala\u015f\u0131mlar olu\u015fturmak i\u00e7in ve ayr\u0131ca elektron mikroskobu ve di\u011fer biyomedikal teknikler alt\u0131nda g\u00f6zlem i\u00e7in doku boyama i\u015flemlerinde bir oksidan olarak kullan\u0131l\u0131r. Bu unsurun kullan\u0131mlar\u0131 aras\u0131nda \u015funlar yer almaktad\u0131r:<\/p>\n<h3> <strong>End\u00fcstri<\/strong><strong><\/strong><\/h3>\n<p> Baz\u0131 ala\u015f\u0131mlarda sertle\u015ftirici katk\u0131 maddesi olarak kullan\u0131l\u0131r. Platin ile birlikte a\u011f\u0131rl\u0131k ve \u00f6l\u00e7\u00fc standartlar\u0131 i\u00e7in kullan\u0131l\u0131r. Ayr\u0131ca fonograf i\u011fneleri, dolma kalemler ve saat yataklar\u0131 yap\u0131m\u0131nda da kullan\u0131l\u0131r. Ayr\u0131ca ala\u015f\u0131mlar\u0131 \u00e7ok b\u00fcy\u00fck diren\u00e7 gerektiren elektrik kontaklar\u0131nda kullan\u0131l\u0131r. Akkor ampuller, filamentler ve t\u00fcplerin \u00fcretiminde de kataliz\u00f6r olarak kullan\u0131l\u0131r.<\/p>\n<h3> <strong>\u0130la\u00e7<\/strong><\/h3>\n<p> Platin ala\u015f\u0131m\u0131ndan yapay kalp kapak\u00e7\u0131klar\u0131, cerrahi aletler ve kalp pili yap\u0131m\u0131nda kullan\u0131l\u0131r. Osmiyum tetraoksit adli t\u0131pta parmak izi tespit maddesi olarak kullan\u0131l\u0131r.<\/p>\n<h3> <strong>Kuyumcu<\/strong><\/h3>\n<p> Hint ve \u00c7in m\u00fccevher end\u00fcstrileri osmiyum kullanmaya ba\u015flad\u0131 \u00e7\u00fcnk\u00fc y\u00fczeyi binlerce parlak kristal i\u00e7eriyor ve sertli\u011fi m\u00fccevher yap\u0131m\u0131 i\u00e7in ideal. Asl\u0131nda bu malzeme, parlakl\u0131\u011f\u0131 ve g\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131 spektrumundaki y\u00fcksek yans\u0131t\u0131c\u0131l\u0131\u011f\u0131 nedeniyle Alt\u0131n, G\u00fcm\u00fc\u015f ve Platin ile iyi bir \u015fekilde birle\u015fir.<\/p>\n<h2> <strong>Osmiyum nerede bulunur?<\/strong><\/h2>\n<p> Do\u011fada, birle\u015fmemi\u015f bir metal olarak veya do\u011fal ala\u015f\u0131mlarda, \u00f6zellikle de \u0130ridosmiyumunkilerde bulunur. Ayr\u0131ca baz\u0131 Bak\u0131r ve Nikel yataklar\u0131ndan da elde edilmesi m\u00fcmk\u00fcnd\u00fcr. Yer kabu\u011funda \u00e7arpma kraterleri veya magmatik birikintiler gibi belirli jeolojik yap\u0131larda bulunur. En iyi bilinen rezervlerinden biri G\u00fcney Afrika&#8217;da magmatik komplekste bulunmaktad\u0131r, ancak ayn\u0131 zamanda Rusya, Kanada, Kolombiya ve Amerika Birle\u015fik Devletleri&#8217;nde de bulunur.<\/p>\n<p> K\u0131saca Osmiyum bir ge\u00e7i\u015f metalidir ve yer kabu\u011funda bulunan nadir elementler aras\u0131nda s\u0131n\u0131fland\u0131r\u0131l\u0131r. Rengi grimsi beyaz olup ala\u015f\u0131mlar\u0131 sanayi, t\u0131p ve m\u00fccevherat gibi uygulamalarda kullan\u0131lmaktad\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Toprak alt\u0131ndaki osmiyum rezervlerinin 9 m\u00b2 oldu\u011funu tahmin eden Alman Osmiyum Enstit\u00fcs\u00fc&#8217;n\u00fcn belirtti\u011fi gibi, yer kabu\u011funda bulunan en nadir elementlerden biridir. Bu nedenle fiyat\u0131, alt\u0131n\u0131n biraz \u00fczerinde, ons ba\u015f\u0131na 1.270 dolar gibi y\u00fcksek bir rakama ula\u015f\u0131yor. Kimya, t\u0131p ve kuyumculuk end\u00fcstrilerinde nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 \u00f6\u011frenin. Osmiyum nedir? Osmiyum elementi k\u0131r\u0131lgan ve g\u00fc\u00e7l\u00fc bir ge\u00e7i\u015f metalidir ve &#8230; <a title=\"Osmiyum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/osmiyum\/\" aria-label=\"More on Osmiyum\">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>Osmiyum - 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\/osmiyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Osmiyum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Toprak alt\u0131ndaki osmiyum rezervlerinin 9 m\u00b2 oldu\u011funu tahmin eden Alman Osmiyum Enstit\u00fcs\u00fc&#8217;n\u00fcn belirtti\u011fi gibi, yer kabu\u011funda bulunan en nadir elementlerden biridir. Bu nedenle fiyat\u0131, alt\u0131n\u0131n biraz \u00fczerinde, ons ba\u015f\u0131na 1.270 dolar gibi y\u00fcksek bir rakama ula\u015f\u0131yor. Kimya, t\u0131p ve kuyumculuk end\u00fcstrilerinde nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 \u00f6\u011frenin. Osmiyum nedir? Osmiyum elementi k\u0131r\u0131lgan ve g\u00fc\u00e7l\u00fc bir ge\u00e7i\u015f metalidir ve ... 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