A mafi tsada karfe a duniya - ba zinariya ko platinum

Don amsa tambaya game da abin da irin na karfe ne mafi tsada a duniya da ya kamata a raba duk "contestants" cikin biyu matukar kungiyoyin: sauƙi abin da ke faruwa da kuma mutum da aka yi, cewa an shirya a cikin dakin gwaje-gwaje. Gaskiyar cewa real darajar da karfe na biyu rukuni na dama umarni na girma fi na farko.

Da farko, ka yi la'akari da tsada karafa cewa wanzu a yanayi.

Daya daga cikinsu - ruthenium. Yana da aka bude a 1844, a cikin lokaci-lokaci tebur shi a cikin abin da ake kira kungiyar na platinum karafa. Ruthenium haske launin toka launi used a Electronics, amma kuma ya shafi goya high taurin gami. Its kudin ne 15 daloli a kowace gram.

A gaba takala da take da "mafi tsada karfe a duniya" - Os. Wannan abu ya bluish-azurfa launi da wani babban yawa, shi yana da wani m wari. Ana amfani da a Pharmaceutical (miyagun ƙwayoyi "Kortozin"), a cikin sinadaran masana'antu a matsayin mai kara kuzari. Price osmium ne $ 19 da 1 gram.

uku shugabannin bude zinariya - mafi tsada karfe a duniya a ko'ina cikin ƙarni na tarihin 'yan adam. A lokacin da wannan shi ne mafi malleable karfe, shi wanzu kawai a cikin m form. Lalata juriya, ductility kuma high kudin sa mafi kyau abu ga yi na zinariya kayan ado. Price dabam ci gaba a yankin na $ 30-40 gram da hali ya kara.

A na biyu wuri platinum - shi ne mafi tsada da karfe a duniya a cikin kayan ado masana'antu. Cirewa kawai a matsayin platinum gami da sauran karafa. Aikace-aikace - ado, magani, makamai samar. The kudin ne daidai $ 70 da 1 gram.

Cikakkar zakara na halitta karafa - Rhodium. Abu azurfa da kyau kwarai na nuna Properties. Matsayin mai mulkin, a yi amfani da masana'antu na mota a samar iyaka da kuma high quality madubai. M kudin - $ 225 gram.

Bari mu dubi biyu zakarun daga kowane nau'i-nau'i - karafa, ya samu a cikin dakin gwaje-gwaje, da ake kira isotopes.

Mataimakin-Zakaran daga Categories - isotope osmium-187. An farko samu a Birtaniya ta rushe platinum a cakuda biyu acid: nitric da hydrochloric. Abu m-baki a launi da wani mai wuce yarda high yawa - da most a duniya duniya. Duk da haka, da karfe ne sosai m. Samun osmium-187 ne wuce yarda da wuya, kuma babu kasa a duniya a halin yanzu bata sayar da wannan ƙarfe don fitarwa. Kazakhstan, har kwanan nan, wanda samar da isotope don fitarwa, saita farashin matakin na 10 dubu daloli a kowace gram. Bayan ƙarshe na samar da farashin osmium-187 tsalle zuwa 200 dubu gram.

Kuma a karshe, mafi tsada karfe a duniya - California. Yana da aka samu a Amurka a 1950. Wannan kashi na da gaske Unlimited yiwuwa a makamashin nukiliya: kamar yadda wani iko tushen neutrons shi ne sauƙin iya maye gurbin makamashin nukiliya reactor. Global samarwa a shekara kawai ya wuce 'yan dubun milligrams, amma saboda California yana da wani astronomical kudin: 6 da rabi da dala miliyan gram!