The Pre-precipitate Zones Occurring after the Experiments of Moving Chemical Reaction Boundary Formed by Co 2+ and OH -
Chen Wen-Kui, Li Ren-Zhi, Cao Cheng-Xi
Acta Phys. -Chim. Sin. . 1998, (09): 852 -855 .  DOI: 10.3866/PKU.WHXB19980916