pH influence on the Raman spectra of PP vitamin in silver sol

被引：11
|
作者：
Iliescu, T [1 ]
Cinta, S [1 ]
Astilean, S [1 ]
Bratu, I [1 ]
机构：
[1] INST ISOTOPE & MOL TECHNOL, R-3400 CLUJ NAPOCA 5, ROMANIA
来源：
JOURNAL OF MOLECULAR STRUCTURE | 1997年 / 410卷
关键词：
PP vitamin; SERS;
D O I：
10.1016/S0022-2860(96)09684-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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 neutral form at large pH values and in protonated form at low pH. It was found that a strong interacting amide group-metal is present in protonated form. The ring nitrogen-metal interaction has an important role in the adsorption process of the neutral form. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：193 / 196
页数：4
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