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Spectral and fluorescent indication of the acid-base properties of biopolymer solutions

✍ Scribed by E. A. Slyusareva; M. A. Gerasimov; A. G. Sizykh; L. M. Gornostaev

Book ID
106525284
Publisher
Springer
Year
2011
Tongue
English
Weight
479 KB
Volume
54
Category
Article
ISSN
1573-9228

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The absorption and luminescence spectra of a series of 4,7-diaminocoumarins have been investigated in ethanol and acetonitrile solution. The pkJ and pkJ 1 values for several of the compounds have been measured. It has been found that the site of primary protonation is the nitrogen atom in the 7-posi