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Benzyl and Methyl Fatty Hydroxamic Acids Based on Palm Kernel Oil as Chelating Agent for Liquid-Liquid Iron(III) Extraction.
MedLine Citation:
PMID:  22408444     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Liquid-liquid iron(III) extraction was investigated using benzyl fatty hydroxamic acids (BFHAs) and methyl fatty hydroxamic acids (MFHAs) as chelating agents through the formation of iron(III) methyl fatty hydroxamate (Fe-MFHs) or iron(III) benzyl fatty hydroxamate (Fe-BFHs) in the organic phase. The results obtained under optimized conditions, showed that the chelating agents in hexane extract iron(III) at pH 1.9 were realized effectively with a high percentage of extraction (97.2% and 98.1% for MFHAs and BFHAs, respectively). The presence of a large amount of Mg(II), Ni(II), Al(III), Mn(II) and Co(II) ions did affect the iron(III) extraction. Finally stripping studies for recovering iron(III) from organic phase (Fe-MFHs or Fe-BFHs dissolved in hexane) were carried out at various concentrations of HCl, HNO(3) and H(2)SO(4). The results showed that the desired acid for recovery of iron(III) was 5 M HCl and quantitative recovery of iron(III) was achieved from Fe(III)-MFHs and Fe(III)-BFHs solutions in hexane containing 5 mg/L of Fe(III).
Md Jelas Haron; Hossein Jahangirian; Sidik Silong; Nor Azah Yusof; Anuar Kassim; Roshanak Rafiee-Moghaddam; Behnam Mahdavi; Mazyar Peyda; Yadollah Abdollahi; Jamileh Amin
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Publication Detail:
Type:  Journal Article     Date:  2012-02-16
Journal Detail:
Title:  International journal of molecular sciences     Volume:  13     ISSN:  1422-0067     ISO Abbreviation:  Int J Mol Sci     Publication Date:  2012  
Date Detail:
Created Date:  2012-03-12     Completed Date:  2012-10-02     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101092791     Medline TA:  Int J Mol Sci     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  2148-59     Citation Subset:  -    
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia; E-Mails: (S.S.); (N.A.Y.); (A.K.); (J.A.).
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