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Adsorption Of Some Heavy Metal Ions From Aqueous Solution By Activated Carbon And Comparison Of Percent Adsorption Results Of Activated Carbon With Those Of Some Other Adsorbents, İlhan Uzun, Fuat Güzel
Adsorption Of Some Heavy Metal Ions From Aqueous Solution By Activated Carbon And Comparison Of Percent Adsorption Results Of Activated Carbon With Those Of Some Other Adsorbents, İlhan Uzun, Fuat Güzel
Turkish Journal of Chemistry
In this study, removal of some heavy metals ions (Mn^{2+}, Fe^{2+}, Ni^{2+} and Cu^{2+}) from aqueous solution by adsorption was investigated. For this purpose, high-grade MnSO_4.H_2O, FeSO_4.7H_2O, NiSO_4.7H_2O and CuSO_4.5H_2O were used as heavy metal samples. The commercial activated carbon (Merck 2514), chitosan and agar were used as adsorbents. The pH of each solution was not controlled. This is because the net interaction between the adsorbent and the heavy metal could be disturbed by the buffer solution. Therefore, all experiments were carried out in a pH range from 5.3 to 5.5. The equilibrium adsorption contact times were determined for M …
Evaluation Of Chitosan As A Potential Medical Iron (Iii) Ion Adsorbent, Ayer Burke, Elvan Yilmaz, Nesri̇n Hasirci
Evaluation Of Chitosan As A Potential Medical Iron (Iii) Ion Adsorbent, Ayer Burke, Elvan Yilmaz, Nesri̇n Hasirci
Turkish Journal of Medical Sciences
Chitosan, a derivative of the natural polysaccharide chitin, is known for its biocompatibility and metal-binding capacity. The aim of this study was to combine these two properties of chitosan and investigate its potential as a new iron (III) ion (ferric ion) adsorbing agent. The development of a safe and orally active iron chelating agent is especially important for the treatment of thalassemics. In this study, the physicochemical parameters affecting the ability of chitosan flakes to adsorb iron (III) ions were studied by complexometric titration. The results showed that the iron (III) adsorption capacity of chitosan increases with the amount of …