✦ LIBER ✦
A study on the effect of colloidal silica in peptising iron oxide with reference to red brown soil formation on limestone
✍ Scribed by D. H. Khan
- Publisher
- John Wiley and Sons
- Year
- 1960
- Tongue
- English
- Weight
- 304 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0022-5142
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Colloidal silica will peptise Fe~2~O~3~ in alkaline media containing Na ions, but Ca ions cause flocculation of the silica and no peptisation of Fe~2~O~2~ occurs. It is concluded that the theory of Reifenberg on the formation of terra rossa on limestone is untenable.