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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