PH INFLUENCE ON THE RAMAN-SPECTRA OF PP-VITAMIN IN SILVER SOL

Authors
ILIESCU T CINTA S ASTILEAN S BRATU I
Citation
T. Iliescu et al., PH INFLUENCE ON THE RAMAN-SPECTRA OF PP-VITAMIN IN SILVER SOL, Journal of molecular structure, 410, 1997, pp. 193-196
Citations number
9
Categorie Soggetti
Chemistry Physical
Journal title
Journal of molecular structure → ACNP
ISSN journal
00222860
Volume
410
Year of publication
1997
Pages
193 - 196
Database
ISI
SICI code
0022-2860(1997)410:<193:PIOTRO>2.0.ZU;2-2
Abstract
Adsorption of PP vitamin onto a silver colloidal particle surface was investigated on a wide range of solution pH by surface-enhanced Raman scattering. The molecule was found to adsorb onto the surface in neutr al form at large pH values and in protonated form at low pH. It was fo und that a strong interacting amide group-metal is present in protonat ed form. The ring nitrogen-metal interaction has an important role in the adsorption process of the neutral form. (C) 1997 Elsevier Science B.V.