Photochemical And Photophysical Studies On Isatin
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The fading rate of isatin in different solvents isrninvestigated. the rate is in accordance with the hydrogen -rnatom donation capacities of the solvents. As the polarity of thernsolvent is increased the charge transfer character of the longestrnwavelength transition becomes dominat I'lhich prohobits photo:L'e-·rnduction. This was confirmed by the red shift of the '118.velenC';:thrnof maximum absorption with increase in solvent polarity andrncomparative fading rate of the derivatives of isatin (N - meth;ylrnisatin and H .- acetyl isatin).rnHolecular oxygen Vias found to quench the photoreduction.rnFluorescence spectrum at different oxygen concentration hasrnbeen investigated in an attempt to trace the spin state fromrnvlhich the reaction starts.rnTwo photoproducts were separated, the major product (overrn95%) 'las characterized to be a pinacol and the second is thernproduct of insertion of a single oxygen to isatin molecule.
Subsurface Intelligence & Critical Mineral Exploration
Modern Geology projects now focus on Machine Learning in Mineral Targeting, Carbon Capture & Storage (CCS) Geologic Modeling, and Critical Mineral Systems (Lithium, REEs). If your research involves Hydrogeological Connectivity, Seismic Inversion, or Geotechnical Site Characterization, ensure your analysis follows the JORC or NI 43-101 reporting standards and utilizes robust 3D Subsurface Visualization and Geochemical Fingerprinting frameworks.
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