Browsing by Author "SABA KIRAN"

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    SYNTHESIS AND OPTICAL STUDY OF AZO DYES IN DIFFERENT SOLVENT WITH DIFFERENT METALS
    (UMT.Lahore, 2018) SABA KIRAN
    The present research work describe the synthesis of new azo dye with Ortho mono substitution by using P-toluidine and Gallic acid. Generally diazo-coupling reaction is used for the coupling of these two components to form azo dye. Its characterization was done by using different organic solvents. This synthesized dye does not dissolve in water. The molecular structure of azo dye was confirmed by using UV/Vis spectrophotometer and FTIR. UV/Vis spectra shows its maximum absorption wavelength. Solubility was determine using different solvents which have different polarity and pH. Different solvents like acetone, methanol, acetonitrile, chloroform and other organic solvents was used. pH measured with different solvents which shows this azo dye was acidic in nature.