Phenol Blue as a solvent polarity indicator for binary aprotic solvents
β Scribed by Kolling, Orland W.; Goodnight, Jana L.
- Book ID
- 120082891
- Publisher
- American Chemical Society
- Year
- 1973
- Tongue
- English
- Weight
- 597 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0003-2700
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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
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