OnJanuary22,directorChenKelonganddeputydirectorChangGuowuoftheDepartmentofrawmaterialsindustryoftheMinistryofindustryandinformatio...
Lanthanum(LA)Discoverer:C.G.mosanderTimeandplaceofdiscovery:1839,SwedenAfterthediscoveryofceriumandyttrium,althoughsomechemistsrea...
LanthanideanditsassociatedandsimilarelementsintheperiodictableofelementsarecollectivelyreferredtoasLa,CE,PR,Nd,PM,SM,EU,Gd,TB,Dy,H...
MainphysicochemicalpropertiesofrareearthelementsRareearthelementsaretypicalmetalelements.Theirmetalactivityisnextonlytoalkalimetal...
OccurrencestateRareearthelementsexistmainlyintheformofmineralsintheearth'scrustAsthebasicelementsofminerals,rareearthoccur...
DevelopmenthistoryWiththedevelopmentofrareearthindustry,inthe1930s,rareearthoxidewasfirstusedaspolishingpowdertopolishglassinEurop...
