საინტერესო

მეტალები, რომლებიც უმაღლესი ხარისხის ოქროზე ძვირი ღირს!

ოქრო–ღირებულება 42-56 დოლარი გრამი.

ოქრო ძალიან მძიმე ნეტალია. სუფთა ოქროს სიმჭიდროვე 19 621 კგ/მ შეადგენს. მეტალებს შორის სიმჭიდროვით მეექვსე ადგილზეა ოსმიუმის, ირიდიუმის, რენიუმის, პლატინისა და პლუტონიუმის შემდეგ. ოქროს სიმძიმე მის მოპოვებას აადვილებს, ყველაზე მარტივი მეთოდია ქანების წყლით გარეცხვა.

როდიუმი– 1 გრამის ღირებულება 58 დოლარი.

როდიუმი ძირითადად გამოიყენება კატალიზატორებში, რათა შეამციროს ავტომობილის მიერ ნახშირბადის გამოყოფა. ეს მეტალი არ ასრულებს არანაირ ბიოლოგიურ ფუნქციას. როდიუმის შენაერთები საკმაოდ იშვიათად გვხვდება ყოველდღიურ ცხოვრებაში და მათი ზემოქმედება ადამიანის ორგანიზმზე ჯერ კარგად შესწავლილი არ არის, მიუხედავად ამისა ის მაღალტოქსიკური ნივთიერაბაა.

პლატინა – 1 გრამის ღირებულება 60$.

პლატინა და მისი შენადნობები ფართოდ გამოიყენება საიუველირო წარმოებაში. ყოველწლიურად მსოფლიო საიუველირო წარმოება 50 ტონა პლატინას მოიხმარს.

პლუტონიუმი – 1 გრამის ღირებულება დაახლოებით 4000 დოლარი.

მძიმე, არამყარი მოვერცხლისფრო-მოთეთრო ფერის რადიოაქტიური მეტალი. ფართოდ გამოიყენება ატომური იარაღისა და ატომური საწვავის წარმოებაში. ასევე გამოიყენება კოსმუსურ აპარატებში საწვავის სახით.

თრითიუმი – 1 გრამის ღირებულება 30000 აშშ დოლარი.

ერთი კილოგრამი თრითიუმის წარმოება 30 მილიონი დოლარი ჯდება. გამოიყენება განათების მოწყობილობებში.

ოსმიუმ-187 – 1 გრამის ღირებულება 200 000 აშშ დოლარი.

ძვირფასი ლითონი ოსმიუმი მიიღება საკმაოდ რთული მოპოვების პროცესის შედეგად, ის 7 იზოტოპისგან შედგება. ყოველი იზოტოპი განსხვავდება თავისი მასური წონებით, რომლებიც მერყებს 184-დან 192-მდე. ყველაზე მძიმე იზოტოპი 192 მოიცავ ნივთიერების 41%-ს, ხოლო ყველაზე მსუბუქი 187 ნივთიერების მხოლოდ 1.6%-ს, თუმცა ასეთი მცირე დოზა ხელს არ უშლის მისი გამოყოფისა და გამოყენების პროცესს.

კალიფორნიუმ-252 – 10 მილიონი დოლარი გრამი.

ამ ნივთიერებას არანაირი პრაქტიკული გამოყენება არ აქვს. ის მხოლოდ ერთხელ მიიღეს 1958 წელს ხელოვნური წესით და მსოფლიოში მისი რაოდენობა 5 გრამს არ აღემატება.

 

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