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Metal Chelates with Some Cellulose Derivatives: V. Synthesis and Characterization of Some Iron(III) Complexes with Cellulose Ethers
Author(s) -
Hosny Wafaa M.,
Basta Altaf H.,
ElSaied Houssni
Publication year - 1997
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/(sici)1097-0126(199702)42:2<157::aid-pi632>3.0.co;2-7
Subject(s) - carboxymethyl cellulose , chemistry , chelation , ether , metal , cellulose , denticity , hydroxyethyl cellulose , inorganic chemistry , polymer chemistry , nuclear chemistry , metal ions in aqueous solution , organic chemistry , sodium
Two types of monoligand complexes of FeCl 3 , Fe(NO 3 ) 3 and Fe 2 (SO 4 ) 3 with hydroxyethyl cellulose (HEC) and carboxymethyl cellulose (CMC) were prepared and characterized. Elemental analysis, UV and IR spectro‐scopies, conductance and magnetic measurements were used to assign the mode of coordination in the isolated species. The investigation revealed that Fe( III ) exhibits tetrahedral coordination with HEC and CMC. These ligands act as a bidentate chelating agent via the two oxygen atoms of the vicinal hydroxyl and ether groups (ethoxyl or carboxymethyl groups). The prepared complexes have the formula [(HEC) FeCl]Cl, [(HEC) FeNO 3 ]NO 3 , [(HEC)FeSO 4 ·H 2 O]H 2 O, [(CMC)FeCl·H 2 O]Cl·2H 2 O, [(CMC)Fe·2NO 3 ]3H 2 O and [(CMC)‐FeSO 4 ·H 2 O]H 2 O. The results also showed that the type of cellulose ether (functional group) and the anion of the metal salts used have an effect on the conductivity, structure and absorptivity of Fe( III ) complexes. © of SCI.