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Table 3 Neutral Red absorption (cm-1) in various solvents and some selective solvent properties

From: Solvent effect on the spectral properties of Neutral Red

Solvent ν(cm-1) E'A C'A S'
Water 18975.33 1.91 1.78 3.53
Propan-1-ol 18587.36 1.28 0.83 2.66
Chloroform 19157.09 1.56 0.44 1.74
Acetonitrile 18832.39    
DMSO 18315.02    
Ethanol 18621.97 1.33 1.23 2.8
Acetone 19047.62    
DMF 18518.52