| 摘要 |
<p>A method of preparing a powder, for compaction into tablets, comprising an amphoteric surfactant, a liquid non-ionic surfactant and particles comprising an aluminosilicate, wherein at least part of said non-ionic surfactant is premixed with at least part of said aluminosilicate, and preferably part of the non-ionic is added subsequently to the mixture of amphoteric surfactant and aluminosilicate.</p> |
