Flame spray syntheis..... Favorskki and benzillic acid rearrangement UV visible spectroscopy ( electronic spectroscopy) favorskki rearrangement, Benzil benzilic acid rearrangement Nephelometry and turbidimetry Differential scanning calorimetry Chromatography( HPLC, ion exchange chromatography, Gas chromatography) complexometric titration , colorimetry and spectrophotometry Absorption and emission spectroscopy 
