{"id":1471,"date":"2023-07-14T14:05:44","date_gmt":"2023-07-14T14:05:44","guid":{"rendered":"https:\/\/chemuza.org\/tr\/rodyum\/"},"modified":"2023-07-14T14:05:44","modified_gmt":"2023-07-14T14:05:44","slug":"rodyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/rodyum\/","title":{"rendered":"Rodyum kaplama"},"content":{"rendered":"<p>\u015eu anda d\u00fcnyan\u0131n en pahal\u0131 metali olarak kabul ediliyor \u00e7\u00fcnk\u00fc kimya \u015firketi Johnson&#8217;a g\u00f6re her ons 8.000 dolara ula\u015f\u0131yor. \u00d6te yandan \u00e7ok nadir bulunan bir elementtir, do\u011fada en saf haliyle bulunmaz ve \u00f6zellikleri Platin ile ba\u011flant\u0131l\u0131d\u0131r. Faydalar\u0131 nedeniyle en \u00e7ok takdir edilen elementlerden biri olan Rodyumu bu makalede ke\u015ffedin.<\/p>\n<h2> <strong>Rodyum nedir?<\/strong><\/h2>\n<p> Oksidasyona, g\u00fc\u00e7l\u00fc bazlara ve asitlere kar\u015f\u0131 \u00e7ok dayan\u0131kl\u0131, asil bir ge\u00e7i\u015f metalidir. Normal ko\u015fullar alt\u0131nda g\u00fcm\u00fc\u015fi beyaz bir renk tonuna, iyi s\u00fcnekli\u011fe, d\u00f6v\u00fclebilirli\u011fe ve atalete sahiptir. Benzer \u015fekilde, y\u00fcksek bir erime noktas\u0131na ve sabit mineral sertli\u011fine sahip olmas\u0131n\u0131n yan\u0131 s\u0131ra, genellikle bir termal ve elektrik iletkenidir.<\/p>\n<h3> <strong>Rodyum kaplama sembol<\/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;\">Rh<\/span><\/span> Ad\u0131 Yunanca <em>Rhodon<\/em> s\u00f6zc\u00fc\u011f\u00fcnden ve ayn\u0131 zamanda Latince <em>g\u00fcl<\/em> anlam\u0131na gelen <em>Rodyum<\/em> s\u00f6zc\u00fc\u011f\u00fcnden gelmektedir. Bu ismi alm\u0131\u015ft\u0131r \u00e7\u00fcnk\u00fc kimyasal elementin bile\u015fikleri, tuzlar\u0131 veya \u00e7\u00f6zeltileri suda \u00e7\u00f6z\u00fcld\u00fckten sonra pembemsi bir renk verir.<\/p>\n<h2> <strong>Rodyumun \u00f6zellikleri<\/strong><\/h2>\n<p> Rodyumun \u00f6zellikleri aras\u0131nda korozyona, oksidasyona kar\u015f\u0131 dayan\u0131kl\u0131l\u0131\u011f\u0131, metalik dokusu ve nitrik asitle \u00e7\u00f6z\u00fcnmemesi say\u0131labilir. Ayr\u0131ca t\u00fcm \u0131\u015f\u0131\u011f\u0131 yans\u0131t\u0131r, kokusuz, yumu\u015fak ve esnektir. Ayn\u0131 \u015fekilde 58 n\u00f6tron, 45 proton ve 45 elektrondan olu\u015fan bir atom yap\u0131s\u0131na sahiptir ve ayr\u0131ca:<\/p>\n<ul>\n<li> <strong>Kimyasal Reaktivite<\/strong> : Asit veya baz olarak reaksiyona girebilir. Normal ko\u015fullar alt\u0131nda neredeyse hi\u00e7 oksitlenmez, ancak 600\u00b0C&#8217;nin \u00fczerindeki s\u0131cakl\u0131klarda oksijen ve flor ile reaksiyona girer.<\/li>\n<li> <strong>Erime ve Kaynama<\/strong> : Y\u00fcksek \u00e7\u00fcnk\u00fc erime noktas\u0131 kobalttan daha y\u00fcksektir.<\/li>\n<li> <strong>Renk<\/strong> : Parlak g\u00fcm\u00fc\u015fi beyaz\u0131ms\u0131 tonda, bile\u015fikleri k\u0131rm\u0131z\u0131ms\u0131 pembe renk sergiliyor ve \u00e7\u00f6zeltileri pembemsi tonlarda.<\/li>\n<li> <strong>Durumu<\/strong> : Normal bas\u0131n\u00e7 ve s\u0131cakl\u0131klarda kat\u0131d\u0131r.<\/li>\n<li> <strong>Yo\u011funluk<\/strong> : Oda s\u0131cakl\u0131\u011f\u0131nda 12,41 g\/ml&#8217;dir, ancak eritildi\u011finde 10,7 g\/ml&#8217;ye \u00e7\u0131kar.<\/li>\n<li> <strong>De\u011fi\u015fiklikler<\/strong> : Potasyum bis\u00fclfat, s\u00fclf\u00fcrik asit ve Aqua Regia, pembe bir \u00e7\u00f6zelti olu\u015fturacak \u015fekilde onu \u00e7\u00f6zebilir.<\/li>\n<li> <strong>Manyetik d\u00fczen<\/strong> : Paramanyetik bir elementtir.<\/li>\n<li> <strong>D\u00f6v\u00fclebilirlik<\/strong> : \u015eiddetli darbeler alt\u0131nda \u00e7atlad\u0131\u011f\u0131 i\u00e7in ortalamad\u0131r.<\/li>\n<li> <strong>S\u00fcneklik<\/strong> : Platin grubu i\u00e7erisinde \u00fc\u00e7\u00fcnc\u00fc s\u0131rada yer almaktad\u0131r.<\/li>\n<li> <strong>Sertlik<\/strong> : Mohs skalas\u0131na g\u00f6re sertli\u011fi 6&#8217;d\u0131r.<\/li>\n<\/ul>\n<h2> <strong>Rodyumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131<\/strong> : 45<\/li>\n<li> <strong>Elektronegatiflik<\/strong> : 2.28<\/li>\n<li> <strong>Yo\u011funluk (g\/ml)<\/strong> : 12450 kg\/m\u00b3<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131 (\u00c5)<\/strong> : 134 pm<\/li>\n<li> <strong>Birinci iyonla\u015fma potansiyeli (eV)<\/strong> : 719,7 kJ\/mol<\/li>\n<li> <strong>Buharla\u015fma entalpisi<\/strong> : 493 kJ\/mol<\/li>\n<li> <strong>Seviye ba\u015f\u0131na elektronlar<\/strong> : 2, 8, 18, 16, 1<\/li>\n<li> <strong>Kaynama noktas\u0131<\/strong> : 3695\u00b0 C (3968 K)<\/li>\n<li> <strong>Erime noktas\u0131<\/strong> : 1964\u00b0C (2237 K)<\/li>\n<li> <strong>Atom k\u00fctlesi (g\/mol)<\/strong> : 102.90550<\/li>\n<li> <strong>Ses h\u0131z\u0131<\/strong> : 293,15 K&#8217;da 4700 m\/s<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon<\/strong> : [Kr] 5s <sup>1<\/sup> 4d <sup>8<\/sup><\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap (\u00c5)<\/strong> : 142 pm<\/li>\n<li> <strong>Oksit<\/strong> : Amfoterik<\/li>\n<li> <strong>\u00d6zg\u00fcl \u0131s\u0131<\/strong> : 242 J\/(K-kg)<\/li>\n<li> <strong>F\u00fczyon entalpisi<\/strong> : 21,5 kJ\/mol<\/li>\n<li> <strong>Oksidasyon durumlar\u0131<\/strong> : 6, 5, 4, 3, 2, 1, -1<\/li>\n<\/ol>\n<h2> <strong>Rodyumun K\u00f6keni<\/strong><\/h2>\n<p> Rodyumun tarihine g\u00f6re \u0130ngiliz William H. Wollaston, 1803 y\u0131l\u0131nda Peru&#8217;dan gelen bir platin mineralini analiz ederken bunu ke\u015ffetti. Bu kimyager, inceledi\u011fi minerallerde k\u0131rm\u0131z\u0131ms\u0131 tuzlar ve bilinmeyen bir elementten yay\u0131lan bir renk tonu g\u00f6zlemledi.<\/p>\n<p> Wollaston&#8217;un deneyi, Platinum mineralinin, nitrik ve hidroklorik asitlerin konsantre bir kar\u0131\u015f\u0131m\u0131na, yani kral suyuna bat\u0131r\u0131lmas\u0131n\u0131 i\u00e7eriyordu. B\u00f6ylece kar\u0131\u015f\u0131m\u0131n asitli\u011fini NaOH ile n\u00f6trle\u015ftirmeyi ba\u015fard\u0131. Son olarak \u00e7\u00f6keltme reaksiyonlar\u0131 sayesinde metal bile\u015fiklerini ay\u0131rmay\u0131 ba\u015far\u0131r. Ger\u00e7ekten de Platini ( <sub>NH4<\/sub> ) <sub>2<\/sub> [ <sub>PtCl6<\/sub> ]&#8217;ya ay\u0131rd\u0131, ard\u0131ndan <sub>NH4Cl&#8217;yi<\/sub> ve metalik \u00c7inko kullanarak indirgedi\u011fi di\u011fer \u00e7e\u015fitli metalleri ekledi. En s\u00fcngerimsi metalleri <sub>HNO3<\/sub> ile \u00e7\u00f6zmeye \u00e7al\u0131\u015f\u0131yor ve b\u00f6ylece biri Rodyum olarak tan\u0131mlanan iki yeni metal elde ediyor.<\/p>\n<h2> <strong>Rodyum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Rodyumun ana kullan\u0131mlar\u0131ndan biri, sertle\u015ftirici madde olarak g\u00f6rev yapan bir platin ve paladyum ala\u015f\u0131m\u0131d\u0131r. Ek olarak, hidrokarbonlarda kataliz \u00fcretti\u011fi i\u00e7in tipik olarak hidrojenasyon i\u015flemleri s\u0131ras\u0131nda kataliz\u00f6r olarak kullan\u0131l\u0131r. Di\u011fer uygulamalar \u015funlard\u0131r:<\/p>\n<ul>\n<li> A\u015f\u0131nmaya ve \u015fiddetli hava ko\u015fullar\u0131na dayan\u0131kl\u0131 olmas\u0131 gereken \u00fcr\u00fcnlerde galvanizleme olarak kullan\u0131l\u0131r.<\/li>\n<li> M\u00fccevher sekt\u00f6r\u00fcnde herhangi bir par\u00e7an\u0131n rodyum kaplama ad\u0131 verilen beyaz alt\u0131nla kaplanmas\u0131 i\u00e7in kullan\u0131l\u0131r.<\/li>\n<li> Genellikle farkl\u0131 t\u00fcrdeki aynalar\u0131, reflekt\u00f6rleri, kameralar\u0131 ve x-\u0131\u015f\u0131n\u0131 sistemlerini kaplamak i\u00e7in kullan\u0131l\u0131r.<\/li>\n<li> Dayan\u0131kl\u0131 ve iletken bir malzeme olarak elektronik ekipmanlar\u0131n imalat\u0131nda kullan\u0131l\u0131r.<\/li>\n<li> Sabit ve y\u00fcksek s\u0131cakl\u0131klara maruz kalmas\u0131 gereken t\u00fcrbinlerin, f\u0131r\u0131n par\u00e7alar\u0131n\u0131n ve di\u011fer elemanlar\u0131n imalat\u0131nda kullan\u0131l\u0131r.<\/li>\n<li> U\u00e7ak motorlar\u0131, bujiler ve fiberglas i\u00e7in par\u00e7a imalat\u0131.<\/li>\n<\/ul>\n<p> Sonu\u00e7 olarak ge\u00e7i\u015f metallerinin bir par\u00e7as\u0131 olan asil, s\u00fcnek, d\u00f6v\u00fclebilir, korozyona dayan\u0131kl\u0131 ve inert bir kimyasal elementtir. Ayr\u0131ca g\u00fcm\u00fc\u015fi beyaz bir renk tonuna sahip olmas\u0131na ra\u011fmen bile\u015fikleri pembe bir renk sergiliyor, dolay\u0131s\u0131yla ad\u0131 da buradan geliyor. En iyi bilinen uygulamas\u0131, par\u00e7alar\u0131 beyaz alt\u0131nla kaplamak i\u00e7in kuyumcular\u0131n kullan\u0131lmas\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u015eu anda d\u00fcnyan\u0131n en pahal\u0131 metali olarak kabul ediliyor \u00e7\u00fcnk\u00fc kimya \u015firketi Johnson&#8217;a g\u00f6re her ons 8.000 dolara ula\u015f\u0131yor. \u00d6te yandan \u00e7ok nadir bulunan bir elementtir, do\u011fada en saf haliyle bulunmaz ve \u00f6zellikleri Platin ile ba\u011flant\u0131l\u0131d\u0131r. Faydalar\u0131 nedeniyle en \u00e7ok takdir edilen elementlerden biri olan Rodyumu bu makalede ke\u015ffedin. Rodyum nedir? Oksidasyona, g\u00fc\u00e7l\u00fc bazlara ve &#8230; <a title=\"Rodyum kaplama\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/rodyum\/\" aria-label=\"More on Rodyum kaplama\">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>Rodyum kaplama - 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\/rodyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rodyum kaplama - Chemuza\" \/>\n<meta property=\"og:description\" content=\"\u015eu anda d\u00fcnyan\u0131n en pahal\u0131 metali olarak kabul ediliyor \u00e7\u00fcnk\u00fc kimya \u015firketi Johnson&#8217;a g\u00f6re her ons 8.000 dolara ula\u015f\u0131yor. \u00d6te yandan \u00e7ok nadir bulunan bir elementtir, do\u011fada en saf haliyle bulunmaz ve \u00f6zellikleri Platin ile ba\u011flant\u0131l\u0131d\u0131r. Faydalar\u0131 nedeniyle en \u00e7ok takdir edilen elementlerden biri olan Rodyumu bu makalede ke\u015ffedin. Rodyum nedir? Oksidasyona, g\u00fc\u00e7l\u00fc bazlara ve ... 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