Solvent effect on the spectral properties of Neutral Red
2008
Effect of Solvents on Neutral Red Dye Spectra
publication
Evidence: moderate
Author Information
Author(s): Rauf Muhammad A, Soliman Ahmed A, Khattab Muhammad
Primary Institution: UAE University
Hypothesis
The study investigates how different solvents affect the absorption spectra of Neutral Red dye.
Conclusion
The absorption maxima of Neutral Red dye are influenced by the polarity of the solvent used.
Supporting Evidence
- The absorption maxima of Neutral Red dye are dependent on solvent polarity.
- In non-hydrogen-bond donating solvents, solvation occurs via dipole-dipole interactions.
- In hydrogen-bond donating solvents, solvation is more hydrogen bonding in nature.
- The unified scale for estimating solvent effects is more applicable than the π* scale model.
Takeaway
Different liquids can change how a dye looks when you shine light on it, and this study looks at how that happens with Neutral Red dye in various liquids.
Methodology
The absorption spectrum of Neutral Red dye was recorded in various solvents using a UV/VIS spectrophotometer.
Limitations
The study may not account for all possible interactions between the dye and solvents.
Digital Object Identifier (DOI)
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