Spectral polarity index: a new method for determining the relative polarity of solvents [1]

Autor:	W.J. Middleton, John Biesecker, Bethany K. Freed
Rok vydání:	1990
Předmět:	Measurement method Polarity (physics) Stereochemistry Chemistry Organic solvent Organic Chemistry Analytical chemistry Biochemistry Inorganic Chemistry Solvent Bathochromic shift Solvent polarity Environmental Chemistry Physical and Theoretical Chemistry Polarite
Zdroj:	Journal of Fluorine Chemistry. 48:63-75
ISSN:	0022-1139
DOI:	10.1016/s0022-1139(00)82602-0
Popis:	The relative polarity of a number of solvents, including perfluorocarbons, has been determined by measuring the bathochromic shift (as the solvent polarity increases) of the UV-visible λ max of a new class of dyes, the (α-perfluoroheptyl-β,β-dicyanovinyl)aminostyrenes [2]. This new measure of polarity, which is defined as the Spectral Polarity Index, P s , appears to be particularly useful in characterizing nonpolar solvents such as perfluorocarbons.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::2a26f155a8b6b031f88ec0695683cab4 https://doi.org/10.1016/s0022-1139(00)82602-0 Zobrazit plný text záznamu