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研究了pH值及PAA对BaTiO3水悬浮液稳定性的影响.结果表明,由于Ba2+在低pH值条件下的溶解,使BaTiO3粉体的等电点比化学计量的BaTiO3等电点小,为pH=6.4.当PAA的加入量一定时,悬浮液的稳定性随pH值的增加而增加.而在一定的pH值条件下,存在一个PAA的最佳加入量,此加入量随pH值的增加而减小.

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