Detection of anilines by luminescence spectroscopy using dissolved and adsorbed pyrylocyanine dyes

Autor:	I. P. Chuikov, I. Yu. Kargapolova, S. V. Korotaev, V. A. Nadolinnyi, Vladimir V. Shelkovnikov, N. A. Orlova
Rok vydání:	2014
Předmět:	Perchlorate chemistry.chemical_compound Adsorption chemistry Silica gel Inorganic chemistry General Chemistry Emission spectrum Reaction intermediate Acetonitrile Luminescence Photochemistry Spectroscopy
Zdroj:	Russian Chemical Bulletin. 63:635-641
ISSN:	1573-9171 1066-5285
Popis:	Reactions of three pyrylocyanine dyes (derived from 2,4,6-trimethylpyrylium perchlorate) with p-toluidine and 2,4-diaminotoluene were studied to develop methods for detection of aromatic amines. The emission spectrum characteristics of the starting dyes and the final products obtained in solution and on silica gel were examined. The presence of open forms of the pyridocyanine dye in acetonitrile was suggested after analyzing the excitation and emission spectra of reaction intermediates. The formation of luminescent pyridocyanine in solution took several days, while its synthesis from the starting dye adsorbed on silica gel was completed within a few seconds.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9878b0c9d611d4467846047f38ec2902 https://doi.org/10.1007/s11172-014-0485-y Zobrazit plný text záznamu Full text from SpringerLink