The Relation between the Absorption Spectra and the Chemical Constitution of Dyes. XXVIII. The Hydration of Azo Dyes in Organic Solvents

1955 ◽  
Vol 77 (10) ◽  
pp. 2762-2765 ◽  
Author(s):  
Wallace R. Brode ◽  
Ira L. Seldin ◽  
Paul E. Spoerri ◽  
George M. Wyman
Keyword(s):  
Absorption Spectra ◽  
Organic Solvents ◽  
Azo Dyes ◽  
Chemical Constitution

scholarly journals On the influence of their state in solution on the absorption spectra of dissolved dyes

1909 ◽  
Vol 82 (554) ◽  
pp. 256-270 ◽  
Keyword(s):  
Refractive Index ◽  
Absorption Spectra ◽  
Organic Solvents ◽  
Absorption Maximum ◽  
Previous Investigation ◽  
Cyanine Dyes ◽  
Water Band ◽  
The One

In a previous investigation of the absorption spectra and sensitising properties of some iso cyanine dyes,* the influence of the solvent was examined and it was found that the absorption maximum was shifted toward the red as the refractive index of the solvent increased. This is in accordance with Kundt’s law. The absorption in water, however, differs markedly from that in organic solvents. In the latter the spectrum consists of a prominent band in the orange and a half-shade nearer the blue. In water this half-shade has become a separate band comparable in intensity with the orange. Absorption curves in alcohol and water are shown. It is convenient to term the band near the red the β-(organic) band, the one nearer the blue the α -(water) band. It appeared desirable to investigate this difference further.

scholarly journals Novel edaravone-based azo dyes: efficient synthesis, characterization, antibacterial activity, DFT calculations and comprehensive investigation of the solvent effect on the absorption spectra

RSC Advances ◽  
2020 ◽  
Vol 10 (59) ◽  
pp. 35729-35739
Author(s):  
Mohammad Amin Davasaz Rabbani ◽  
Behzad Khalili ◽  
Hamid Saeidian
Keyword(s):  
Antibacterial Activity ◽  
Dft Calculations ◽  
Solvent Effect ◽  
Absorption Spectra ◽  
Azo Dyes ◽  
Drug Combination ◽  
Azo Compounds ◽  
Efficient Synthesis ◽  
Comprehensive Investigation ◽  
Anions And Cations

The present study deals with designing and synthesizing novel dyes using the drug combination of edaravone and azo compounds which can be used as an indicator for anions and cations.

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