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Absorption Spectral Studies on Naphthyl Pyridyl Pyrazole (NPP) in Mixed Solvent Systems

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1TitleTitle of DocumentAbsorption Spectral Studies on Naphthyl Pyridyl Pyrazole (NPP) in Mixed Solvent Systems
2CreatorAuthor's name, affiliation, country KHALED MUFTAH ELSHERIF*, ASHRAF EL-HASHANI, ABDELMENEIM EL-DALI, OTMAN DAKHIL, ADEL NAJAR and MOHAMED ALGERIANI
Benghazi University, Faculty of Science, Chemistry Department, Benghazi-Libya
3SubjectDicipline(s) Chemical Science
3SubjectKeywords Solvent effect, Absorption spectra, Naphthyl pyridyl pyrazole
4DescriptionAbstract The synthesis and absorption spectroscopy of the bichromophore 1-[(2-naphthyl) methyl]-3-(2-pyridyl)-1H-pyrazole (NPP) are reported. The absorption spectra of NPP have been studied in mixed solvents, in which the spectra shows two main peaks due to π→ π* transition. The positions and intensities of the absorption band of NPP are sensitive to the solvent polarity. The spectral shifts are attributed to solvent-solute interactions in terms of hydrogen bonding effects. However, it is frequently found, that the dielectric properties of polar mixtures observe influence on wavelength of maximal absorption and the absorption intensity.
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
11SourceJournal/conference title; vol., no. (Year)Chemical Science Transactions, Volume  3 , Number  (3), (2014)
12LanuguageEnglish=en en
13RelationSupp.files
14Coverage -
15CopyrightCopyright and permissions
Chemical Science Transactions | Chem Sci Trans | CST | Online Chemistry Journal | Open Access
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