- Accession Number
- VQ521-000
- Document Delivery
- VQ521: Document Delivery available
- Authors
- Saraydin
D. Karadag
E.
- Title
- A COMPARISON OF ADSORPTION ISOTHERMS OF CROSSLINKED
POLY(N-VINYLPYRROLIDONE) BASIC BROWN 1 BINDING SYSTEM
- Source
- Turkish Journal of Chemistry. 20(3):234-243, 1996.
- ISSN
- 1010-7614
- Author Keywords
- Crosslinked poly(n-vinylpyrrolidone). Basic brown 1. Binding. Adsorption
isotherm.
- KeyWords Plus
- Hydrogels.
- Abstract
- In this study, the binding of a basic dye such as basic brown 1 [BB 1]
onto a crosslinked poly(N-vinylpyrrolidone) [CPVP] was investigated.
Adsorption of the azo dye onto the CPVP was studied by the batch adsorption
technique at 25 degrees C. In adsorption experiments a Langmuir type (L)
adsorption was found with respect to the Giles classification system.
Binding parameters such as initial binding constant (K-i), equilibrium
constant (K), monolayer coverage (n), site-size (u), and maximum fractional
occupancy (<(theta)over cap>), and thermodynamic parameters such as
heat of adsorption (Delta H), free energy of adsorption (Delta G) and
entropy of adsorption (Delta S) for the CPVP/BB 1 system were calculated by
using Klotz, Scatchard, and Langmuir linearization methods. [References: 18]
- Language
- English
- Publication Type
- Article
- Subset
- Current Contents/Physical, Chemical & Earth Sciences.
- CC Categories
- Chemistry.
- Institution
- Reprint available from:
- Saraydin D
- CUMHURIYET UNIV DEPT CHEM TR-58140 SIVAS
TURKEY