| 摘要 |
A titanium dioxide pigment containing less than 13 meq/g extractable Li<+>, Na<+>, K<+>, Rb<+>, Cs<+>, less than 15 meq/g extractable Mg<2><+>, Ca<2><+>, Sr<2><+>, Ba<2><+>, less than extractable 11 meq/g Cl<->, NO3<->, less than 8 meq/g extractable SO4<2><->, MoO4<2><->, less than 6 meq/g extractable PO4<3><->, VO4<3><->, and total extractable anions and cations less than 40 meq/g. The product produces superior electrophoretic coatings. A process of preparing the product by digestion at controlled pH is also disclosed. |
