AI Article Synopsis
- A novel water sensor, the 7H-indolo[1,2-a]quinolinium merocyanine, was tested in various organic solvents including ethanol and DMSO.
- The study analyzed how the dye's spectral properties changed with increasing water concentration, establishing calibration curves for water content from approximately 0.05% to 11%.
- Results showed linear relationships in ethanol and certain alcohols, but required a polynomial function for DMSO and DMF, enabling rapid and accurate water content determination.
Article Abstract
Abstract: The 7H-indolo[1,2-a]quinolinium merocyanine was applied as a new water sensor in organic solvents such as ethanol, propane-1-ol, propane-2-ol, DMSO, and DMF. The spectral changes of the dye caused by the addition of increasing amount of water into an organic solvent were investigated. Based on the results, the calibration curves were found as a relation between the position of the absorption band of the dye and the water concentration ranging from about 0.05 to 11% (w/w). In case of ethanol, propane-1-ol and propane-2-ol the plots were linear, whereas in DMSO and DMF, better results were obtained with the use of a polynomial function. The method allowed to determine the water content in a fast and precise manner.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5846992 | PMC |
| http://dx.doi.org/10.1007/s11696-017-0328-z | DOI Listing |
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