Shin bakasan karuwar ƙasa ko ma'adanai?

Shin bakasan karuwar ƙasa ko ma'adanai?

Rasa Duniyakarfe ne. R Sperar Duniya mai wuya shine daidaitawa na gama ƙarfe guda 17 a cikin tebur na lokaci-lokaci, gami da abubuwan lanthanii da yttrium. Akwai nau'ikan 250 da yawa na ma'adanai na duniya a yanayi. Mutumin farko wanda ya gano wata ƙasa mai wuya shine Gadolin Chemist na Finnsh Gadolin. A cikin 1794, ya raba nau'in farkon ƙasa daga wani abu mai nauyi mai kama da kwalta.

RANAR ƙasa mai wuya shine ajali na gama gari don abubuwan ƙarfe 17 a cikin tebur na lokaci-lokaci na abubuwan sunadarai. Su ne masu saurin bakin ciki,Lanthanum, Cerium, Presodymium, Neodymium, Promethium, da Samarar, da Tarpium; Abubuwa masu rauni sosai.Ya kasance cikin ƙasa mai wuya a matsayin ma'adanai, saboda haka suna da ma'adanai maimakon ƙasa. Kasar Sin ta tanadi rakumi na duniya baki, musamman a cikin larduna da biranen da ke cikin kasar ta Inner Adsorption na ciki da kuma rauni na kudanci na kudanci.

The rare earths in rare earth concentrates are generally in the form of insoluble carbonates, fluorides, phosphates, oxides, or silicates. Dole ne a canza abubuwa na duniya cikin abubuwan narkewar mahaɗan a cikin abubuwan da aka yisti na ƙasa kamar kayayyaki daban-daban. Wannan tsari ana kiransa ƙasa mai wuya mayar da hankali ba iyaka, kuma ana kiranta pre-magani.