Stability of colloidal silica: I. Effect of simple electrolytes
✍ Scribed by Lawrence H Allen; Egon Matijević
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 807 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0021-9797
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📜 SIMILAR VOLUMES
We have discovered that small polyols are reasonably effective at stabilizing colloidal silica against aggregation, even under the conditions of high pH and salt concentration. Both quasielastic and elastic light scattering were used to show that these polyols dramatically decrease the aggregation r
We use dynamic light scattering to measure the time-dependent increase of the average hydrodynamic radius of colloidal silica particles in the presence of salt. This increase appears to be linear in time up to twice the radius of unaggregated particles. The method is a very useful tool in monitoring