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Biblioteca Central, UNS · Catálogo de libros | ||
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| González de Bussetti, Silvia E. | ||||
| 1. | Isotopic exchange of phosphate on some phosphatic compounds / Silvia E. González de Bussetti, Eladio A. Ferreiro, Ahmed K. Helmy. | #### |
631.43
G589-1 |
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| Helmy, Ahmed K. | ||||
| 2. | The aluminium oxide-aqueous interface and the point or zero charge / Ahmed K. Helmy, Eleadio A. Ferreiro. | #### |
631.43
H369-3 |
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| 3. | Calculation of negative and positive adsorption in some clay electrolyte systems / Ahmed K. Helmy. | #### |
631.43
H369-4 |
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| 4. | Concurrent effects of KC1 and pH on root concentration potentials / Ahmed K. Helmy, María de las M. Ron, Eladio A. Ferreiro. | #### |
631.43
H369-1 |
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| 5. | Electric double layer across two media / Ahmed K. Helmy. | #### |
631.43
H369-7 |
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| 6. | Electric potentials of bi-zonal clay film membranes / Ahmed K. Helmy, Ibis M. Natale, A. M. Garzán. | #### |
631.43
H369-6 |
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| 7. | Flooculation of NH4 -montmorillonite by electrolytes / Ahmed K. Helmy, Eladio A. Ferreiro. | #### |
631.43
H369-2 |
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| 8. | Sorption of fluoride by hydrous aluminium oxide / Ahmed K. Helmy, Norman Peinemann. | #### |
631.43
H369 |
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| 9. | Surface conductance in plugs / Ahmed K. Helmy. | #### |
631.43
H369-5 |
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| Tschapek, Marcos W. | ||||
| 10. | Calorimetric determination of the point of sero charge / Marcos W. Tschapek, Ahmed K. Helmy. | #### |
631.43
G589 |
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