Chemical modification of chitosan by grafting technique / Doaa hassan Abd El aal ; Supervised Magdy Sabaa Farag , Gamal Saad , Emad Hamdy Orabi

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Doaa hassan Abd El aal

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Language: Eng Publication details: Cairo : Doaa hassan Abd El aal , 2005Description: 131P : ill ; 30cmOther title:

التحور الكيميائى للكيتوزان بتقنية التطعيم [Added title page title]

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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Chemistry Summary: It was observed that the solubility of Chitosan in organic acids was reduced after graftingMoreover , a reproducible high swelling capacity of Chitosan - g - PMAA , Chitosan - g - PIA and Chitosan - g - PVP in distilled water as well as in buffer solutions at pH 4 and pH 10 was observedThe swelling at equilibrium is highly dependent on the copolymer composition and pHChitosan - g - PGMA didn't swell due to the hydrophobic nature of PGMA chainsThe adsorption of Cu2+and Ni2+ions in buffer solution onto Chitosan - graft copolymers was examinedThe results showed that the adsorption of Cu2+is greater than Ni2+ions

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Item type	Current library	Home library	Call number	Copy number	Status	Date due	Barcode
Thesis	قاعة الرسائل الجامعية - الدور الاول	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.12.07.M.Sc.2005.Do.C. (Browse shelf(Opens below))		Not for loan		01010110045043000
CD - Rom	مخـــزن الرســائل الجـــامعية - البدروم	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.12.07.M.Sc.2005.Do.C. (Browse shelf(Opens below))	45043.CD	Not for loan		01020110045043000

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Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Chemistry

It was observed that the solubility of Chitosan in organic acids was reduced after graftingMoreover , a reproducible high swelling capacity of Chitosan - g - PMAA , Chitosan - g - PIA and Chitosan - g - PVP in distilled water as well as in buffer solutions at pH 4 and pH 10 was observedThe swelling at equilibrium is highly dependent on the copolymer composition and pHChitosan - g - PGMA didn't swell due to the hydrophobic nature of PGMA chainsThe adsorption of Cu2+and Ni2+ions in buffer solution onto Chitosan - graft copolymers was examinedThe results showed that the adsorption of Cu2+is greater than Ni2+ions

Issued also as CD

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