Paper Information

Journal:   JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)   SPRING 2010 , Volume 4 , Number 13; Page(s) 49 To 55.
 
Paper: 

STUDY OF THE INTERACTION OF ANIONIC DYES WITH A MESOPOROUS SYSTEM: ADSORPTION AND APPLICATION

 
 
Author(s):  ALMASIFAR D.*, JALALI MAHDI
 
* DEPARTMENT OF CHEMISTRY, ISLAMIC AZAD UNIVERSITY, MAHSHAHR BRANCH, IRAN
 
Abstract: 

Incorporating the dye molecules in the structure of porous materials provides adsorbtion medium as well as hybridic systems which can be used in different fields as sensing, indicators, lasers and optoelectronic. In the present work several system of dye-containing mesoporous system and Congo red such as CR-MCM-41 were prepared. The samples were characterized by XRD, UV-Vis, DRS, BET and FTIR methods. Ion exchange MCM-41, calcined MCM-41 and functionalized MCM-41 were also prepared. The functionalized MCM-41 provided active adsorption sites for the interaction between solid surface and Congo red. Langmuir and Frendlich isotherms were calculated. This hybrid system can behave as a pH indicator and sensor for HCl and ammonia.

 
Keyword(s): MESOPOROUS, FUNCTIONALIZED, CONGO RED, PH INDICATOR, SENSOR, ADSORPTION
 
References: 
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