Ion-Exchange and Adsorption Properties of Titania Gels Prepared from Titanous Chloride and Hydrogen Peroxide
A study was carried out of the uptake of Cu2+, Ni2+, Co2+ and Ca2+ cations by hydrous titanium oxides prepared at different pH values using titanous chloride as the starting material and hydrogen peroxide as the oxidizing agent. Characterization of the oxides was carried out by nitrogen adsorption a...
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Published in | Adsorption science & technology Vol. 23; no. 3; pp. 215 - 224 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
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London, England
SAGE Publications
01.04.2005
Multi Science |
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Abstract | A study was carried out of the uptake of Cu2+, Ni2+, Co2+ and Ca2+ cations by hydrous titanium oxides prepared at different pH values using titanous chloride as the starting material and hydrogen peroxide as the oxidizing agent. Characterization of the oxides was carried out by nitrogen adsorption and infrared studies. The oxides were found to be amphoteric in nature and exhibited an isoelectric point of 6.6. An attempt was made to elucidate the mechanism of cation uptake which does not entail a simple ion-exchange mechanism. |
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AbstractList | A study was carried out of the uptake of Cu 2+ , Ni 2+ , Co 2+ and Ca 2+ cations by hydrous titanium oxides prepared at different pH values using titanous chloride as the starting material and hydrogen peroxide as the oxidizing agent. Characterization of the oxides was carried out by nitrogen adsorption and infrared studies. The oxides were found to be amphoteric in nature and exhibited an isoelectric point of 6.6. An attempt was made to elucidate the mechanism of cation uptake which does not entail a simple ion-exchange mechanism. A study was carried out of the uptake of Cu2+, Ni2+, Co2+ and Ca2+ cations by hydrous titanium oxides prepared at different pH values using titanous chloride as the starting material and hydrogen peroxide as the oxidizing agent. Characterization of the oxides was carried out by nitrogen adsorption and infrared studies. The oxides were found to be amphoteric in nature and exhibited an isoelectric point of 6.6. An attempt was made to elucidate the mechanism of cation uptake which does not entail a simple ion-exchange mechanism. A study was carried out of the uptake of Cu super(2+), Ni super(2+), Co super(2+) and Ca super(2+) cations by hydrous titanium oxides prepared at different pH values using titanous chloride as the starting material and hydrogen peroxide as the oxidizing agent. Characterization of the oxides was carried out by nitrogen adsorption and infrared studies. The oxides were found to be amphoteric in nature and exhibited an isoelectric point of 6.6. An attempt was made to elucidate the mechanism of cation uptake which does not entail a simple ion-exchange mechanism. |
Author | Yacoub, Nahed Ramadan, Adham R. Ragai, Jehane |
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Keywords | Amphoteric Liquid solid interface Hydrogen Transition element compounds Cobalt Ions Nickel Ions Oxides Nitrogen Calcium Ions Mechanism Characterization Adsorption Isoelectric point Chlorides Copper Ions pH Peroxides Ion exchange Titanium oxide Hydrates |
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Snippet | A study was carried out of the uptake of Cu2+, Ni2+, Co2+ and Ca2+ cations by hydrous titanium oxides prepared at different pH values using titanous chloride... A study was carried out of the uptake of Cu 2+ , Ni 2+ , Co 2+ and Ca 2+ cations by hydrous titanium oxides prepared at different pH values using titanous... A study was carried out of the uptake of Cu super(2+), Ni super(2+), Co super(2+) and Ca super(2+) cations by hydrous titanium oxides prepared at different pH... |
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SubjectTerms | Adsorption Cations Chemistry Chlorides Exact sciences and technology General and physical chemistry Hydrogen peroxide Infrared Oxides Solid-liquid interface Surface physical chemistry Titanium dioxide Uptakes |
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Title | Ion-Exchange and Adsorption Properties of Titania Gels Prepared from Titanous Chloride and Hydrogen Peroxide |
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