The process provides barium titanate powder having Ba/Ti molar ratio of 1.000±0.002 and high purity due to calcination under reductive condition to the solid product obtained from hydrous titanic acid compound prepared via sulfuric acid process with crystalline titanium oxide and barium hydroxide, as...
The preparation method comprises the following steps: (1) preparation process step of mixed pulp: preparing barium carbonate and barium hydroxide into mixed barium salt pulp according to the concentration that every cubic meter of solution contains 200 plus or minus 10kg of barium carbonate and 6.5...