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    • Yawiki ›
    • Chemical_compound ›

    İtriyum

    Kimyasal Element
    evrimagaci.org sitesinden görsel
    en.wikipedia.org sitesinden görsel
    chemistrylearner.com sitesinden görsel
    tr.matltech.com sitesinden görsel
    forma-slova.com sitesinden görsel
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    Genel bilgiler

    İtriyum, simgesi Y, atom sayısı 39, atom ağırlığı 88,90 yoğunluğu 4,47 olan 1520 °C'de eriyen, sünek, gümüşümsü gri renkte ve oldukça reaktif olan metalik bir elementtir.

    Periyodik tabloda 3B grubunda (geçiş metalleri grubu) 5. periyotta bulunur. Johann Gadolin tarafından 1789'da Finlandiya'da keşfedilmiştir. Monazit, ksenotim ve itriya gibi minerallerde bulunur.

    Metalik itriyum yaygın olarak kullanılmamasına rağmen, bir çok bileşiği kullanılır. İtriyum oksit ve itriyum ortovanadat renkli televizyonlar için kırmızı fosfor yapmak için evropiyum ile birlikte kullanılır. Mikrodalga iletişim ekipmanlarında ve radarlarda mikrodalga filtreler olarak itriyum oksit ve demir oksitten yapılmış garnet kristalleri kullanılır. Ayrıca itriyum ve alüminyumdan yapılmış garnet kristalleri de taklit elmas olarak takılarda kullanılır.

    www.lafsozluk.com

    İlgili gündem

    Kazakistan Sanayi ve İnşaat Bakanlığı Çarşamba günü yaptığı açıklamada, Kazak jeologların 300 metre derinlikte tahmini kaynakları 20 milyon tondan fazla olan nadir toprak metal yatağı keşfettiğini söyledi.
    trhaber.com3 Nisan
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