Spectrophotometric Studies of Entrapped Thymol Phtalein pH Indicator into Sol‐Gel Matrix

Autor:	Abed El Fattah A. Qaraman, Farid R. Zaggout, Shehata M. Zourab, Hassan Abed Azzeez
Rok vydání:	2006
Předmět:	Polarized light microscopy Chromatography Polymers and Plastics Sol gel matrix Surfaces Coatings and Films Matrix (chemical analysis) chemistry.chemical_compound chemistry pH indicator Reagent Molecule Physical and Theoretical Chemistry Thymol Nuclear chemistry Sol-gel
Zdroj:	Journal of Dispersion Science and Technology. 27:1003-1007
ISSN:	1532-2351 0193-2691
DOI:	10.1080/01932690600767049
Popis:	This research involves the behavior of thymol phtalein pH indicator entrapped into the sol‐gel derived inorganic matrix. The method is based on the physical entrapment of the reagent molecules in the sol‐gel matrix. The immobilized thymol phthalein pH indicator shows behavior similar to its solution counterpart. The UV/vis spectra indicate that the thymol phthalein retains its structure during the sol‐gel reactions in terms of response to pH. Thymol phthalein can be regarded as uniformly distributed in the sol‐gel matrix. This observation has been confirmed using polarized microscopy. This research shows that thymol phtalein can be immobilized in sol‐gel glasses and used as a solid pH sensor.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::dfa4749c08ff847de2a27ff890fd7812 https://doi.org/10.1080/01932690600767049 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
Nepřihlášeným uživatelům se plný text nezobrazuje	K zobrazení výsledku je třeba se přihlásit.