The reaction between phosphate and goethite changes from adsorption into surface precipitation with no discernible changes in the adsorption isotherm. Distinguishing the two processes, by plotting the loss of phosphate from solution versus final phosphate concentration or based on theoretical calcul
Adsorption of Glyphosate on Goethite (α-FeOOH): Surface Complexation Modeling Combining Spectroscopic and Adsorption Data
✍ Scribed by Jonsson, Caroline M.; Persson, Per; Sjöberg, Staffan; Loring, John S.
- Book ID
- 118047301
- Publisher
- American Chemical Society
- Year
- 2008
- Tongue
- English
- Weight
- 183 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0013-936X
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The surface complexation model is used to describe sorption experiments of inorganic mercury(II) in the presence of an amorphous silica, Aerosil 200, or an iron (hydr)oxide, the goethite ␣-FeOOH (Bayferrox 910). In the simulations, one assumes the formation of a monodentate surface complex 'SOOHg ؉
## Abstract The possibilities of inverse gas‐solid chromatography (IGC) in obtaining chromatographic data on fumed silica were examined. Aerosil A‐200, a fused silica model substrate in ^29^Si nuclear magnetic resonance analysis, was trimethylsilylated to different degrees. IGC was used to very rep