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Chemical Distribution and Structure of Quaternary Metal Chelates in Aqueous Solution Involving Asparagine and Uracil

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1TitleTitle of DocumentChemical Distribution and Structure of Quaternary Metal Chelates in Aqueous Solution Involving Asparagine and Uracil
2CreatorAuthor's name, affiliation, country SURABHI SINHA, V. P. SHUKLA, P. P. SINGH and V. KRISHNA
Department of Applied Sciences (Chemistry), United College of Engineering & Research,
Allahabad, UP -211010, India
Department of Applied Sciences (Chemistry), B. B. S. College of Engineering & Technology Allahabad, UP, India
Department of Chemistry, University of Allahabad, Allahabad, UP -211002, India
3SubjectDicipline(s) Chemical Science
3SubjectKeywords Potentiometrically, Quaternary systems, Stability constants, Chelates
4DescriptionAbstract Ternary and quaternary metal chelates of some biologically important bivalent transition metal ions viz. Co(II), Ni(II), Cu(II) and Zn(II) formed with biologically significant ligands, viz. Asparagine (A) and Uracil (B) have been investigated. The relevant stability constants and complexation equilibria of quaternary metal chelates in solution at 30 ±1 C and at constant ionic strength (I=0.1M NaNO3) have been studied potentiometrically. Equilibrium concentrations of all species in multimetal-multiligand system, concentration of each metal and complexing agent have been calculated. Species distribution curves are obtained by plotting percent (%) concentration of the species obtained through SCOGS computer technique against pH. The distribution curves are finally sketched by running the computer program ORIGIN 4.0. The metal ligand formation constant of MA, MB, MAB and M1M2AB type of complexes follow Irving William order. The order of stability constants of quaternary systems has been observed and solution structures of metal complexes with said ligands have been discussed.
5PublishersOrganizing agency, location WWW Publications, India
6Contributor Sponsor(s) -
7DateDate (YYYY-MM-DD) -
8TypeStatus & genre Peer-reviewed Article
8TypeType
9FormateFile Formate PDF
10IdentifierUniform Resource Identifier Click Here
10IdentifierDigital Object Identifier DOI:10.7598/cst2014.746
11SourceJournal/conference title; vol., no. (Year)Chemical Science Transactions, Volume  3 , Number  (2), (2014)
12LanuguageEnglish=en en
13RelationSupp.files
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