Document Detail

Extraction and transport of chromium(VI) through a bulk liquid membrane containing triphenylphosphine.
MedLine Citation:
PMID:  15689029     Owner:  NLM     Status:  MEDLINE    
The solvent extraction of chromium(VI) in chloroform, dichloromethane, dichloroethane and its transport through a chloroformic bulk liquid membrane from sulphuric acid solutions with the neutral extractant triphenylphosphine (TPP) were studied. It was highlighted that the TPP extractant is an interesting complexing and efficient carrier for transport of chromium(VI) as [(HTPP)HCr2O7] complex from a 2M sulphuric acid solutions. It has a high ability to concentrate the chromium(VI) in the receiving phase according to the Donnan equilibrium. The co-extraction and the co-transport of sulphuric acid is very low and has no effect on the transport efficiency. The transport rate depends mainly on the initial concentration of the extractant.
Amar Sahmoune; Lynda Mitiche
Related Documents :
1125249 - Heterogeneous elevation of amino acid transport rates in pantothenate-and lipid-deficie...
1276139 - Isobongkrekic acid, a new inhibitor of mitochondrial adp-atp transport: radioactive lab...
11444849 - The effect of modifications of the charged residues in the transmembrane helices on the...
8395829 - Okadaic acid increases glucose uptake in 3t3-l1 adipocytes by stimulating glucose trans...
7611349 - Placental amino acid transport.
10556789 - Thyroid hormone transport by 4f2hc-iu12 heterodimers expressed in xenopus oocytes.
2628789 - Intramyelinic conversion of cerebrosides into acylgalactosylceramides.
3754209 - Evaluation of the renal scanning agent n-succinyldesferrioxamine b in dogs.
14977569 - Molecular biology of pyridine nucleotide and nicotine biosynthesis.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annali di chimica     Volume:  94     ISSN:  0003-4592     ISO Abbreviation:  Ann Chim     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2005-02-03     Completed Date:  2005-03-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7610375     Medline TA:  Ann Chim     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  929-38     Citation Subset:  IM    
Laboratoire de recherche sur l'Eau, Université Mouloud Mammeri, 15000 Tizi-Ouzou, Algérie.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Biological Transport
Chloroform / chemistry
Chromium / isolation & purification*
Ethylene Dichlorides / chemistry
Filtration / methods
Methylene Chloride / chemistry
Organophosphorus Compounds / chemistry*
Phosphines / chemistry
Sulfuric Acids / chemistry
Reg. No./Substance:
0/Ethylene Dichlorides; 0/Organophosphorus Compounds; 0/Phosphines; 0/Sulfuric Acids; 107-06-2/ethylene dichloride; 18540-29-9/chromium hexavalent ion; 603-35-0/triphenylphosphine; 67-66-3/Chloroform; 7440-47-3/Chromium; 75-09-2/Methylene Chloride; 7664-93-9/sulfuric acid; 7803-51-2/phosphine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Application of HS-SPME and GC-MS to characterization of volatile compounds emitted from Osmanthus fl...
Next Document:  Chromatographic behaviors of proteins on cation-exchange column.