Abstract:The spectral and kinetic properties of reduced radicals and the triplet state of neutral red (NR), a phenazine‐based dye, have been investigated using pulse radiolysis technique. A mixed water–isopropanol–acetone solvent has been used to study the reduced radicals of NR for a wide pH range of about 1–13, due to limitation of solubility of the dye in aqueous solutions particularly above pH 8. From pH ‐dependent absorption studies it has been established that the reduced radicals of NR can exist in four different… Show more
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