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Polarity of ionic liquids determined empirically by means of solvatochromic pyridinium N-phenolate betaine dyes

✍ Scribed by Reichardt, Christian


Book ID
111650689
Publisher
Royal Society of Chemistry
Year
2005
Tongue
English
Weight
750 KB
Volume
7
Category
Article
ISSN
1463-9262

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Pyridinium-N-phenolate betaine dyes as e
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## Abstract Solutions of the zwitterionic betaine dye 2,6-diphenyl-4-(2,4,6-triphenylpyridinium-1-yl)phenolate (hereinafter called __standard betaine dye__) and its derivatives are solvatochromic, thermochromic, piezochromic, and halochromic. That is, the position of its longest-wavelength intramol