| 摘要 |
<p>A product containing polynucleate basic Me<3><+> hydroxysulphate complex in solid form which when dissolved in water will provide a positively charged polynucleate complex possessing charge neutralizing properties in systems containing suspended or colloidal negatively charged particles, preferably polyaluminium hydroxysulphate complex and polyferrihydroxysulphate complex, and containing calcium sulphate hemihydrate. The invension also relates to a method for producing the product.</p> |
