| 摘要 |
PROBLEM TO BE SOLVED: To provide an anhydrous magnesium carbonate powder comprising fine primary particles and having a large bulk density. SOLUTION: The anhydrous magnesium carbonate powder comprises porous spherical secondary particles having an average particle diameter of 5-100μm which are coagulated from primary particles having an average particle diameter of 0.01-0.8μm. COPYRIGHT: (C)2008,JPO&INPIT
|
