公开(公告)号：US3888787A

公开(公告)日：1975-06-10

申请号：US28809872

申请日：1972-09-11

Applicant: KERNFORSCHUNGSANLAGE JUELICH

Inventor： HEIN KURT ,  ZIMMER ERICH

IPC: B01J2/08 ,  G21C3/62 ,  G21C21/00

CPC classification number: G21C3/623 ,  B01J2/08 ,  Y02E30/38

Abstract: A method of producing ball-shaped metallic oxide or metallic carbide particles which includes the steps of introducing an aqueous solution of a metallic nitrate or metallic chloride or a mixture or a colloidal solution of such metallic nitrates or chlorides dropwise into an organic phase in a column which comprises a lower phase of an aqueous ammonia solution and an upper phase of a ketone or mixture of ketones.