- Accession Number
- ZT596-0011
- Document Delivery
- The Genuine Article
Number: ZT596
- Authors
- Saraydin
D Karadag
E.
- Title
- ADSORPTION OF SOME ANIONIC AZO DYES ONTO CROSSLINKED POLY(N-VINYLPYRROLIDONE)
FROM AQUEOUS SOLUTIONS
- Source
- Revue Roumaine de Chimie. 43(2):139-148, 1998 Feb.
- ISSN
- 0035-3930
- KeyWords Plus
- Binding. N-vinyl-2-pyrrolidone.
- Abstract
- In this study, bindings of anionic azo dyes containing sulphonyl group
such as acid red 26, acid red 103, direct yellow 9, acid black 1 and acid
orange 52 onto crosslinked poly(N-vinylpyrrolidone) (CPVP) have been
investigated. Adsorption of anionic azo dyes onto CPVf were studied by batch
adsorption technique. In the experiments of adsorption, L (Langmuir) type
adsorption in the Giles classification system was found. Binding parameters
such as initial binding constant (K-i), equilibrium constant (K); monolayer
coverage (n), site-size (u), maximum fractional occupancy (theta), and
thermodynamic parameters such as heat of adsorption (Delta H), free energy
of adsorption (Delta G) and entropy of adsorption (Delta S) for CPVP/anionic
azo dye systems were calculated using Klotz method. [References: 12]
- Language
- English
- Publication Type
- Article
- CC Categories
- Chemistry.
- Subset
- Current Contents/Physical, Chemical & Earth Sciences
- Institution
- Reprint available from:
Saraydin D
CUMHURIYET UNIV DEPT CHEM TR-58140 SIVAS TURKEY