%0 Journal Article %A Elham Moniri and Homayon Ahmad Panahi and Ahmad Izadi and Mohamad Mehdi Parvin and Atyeh Rahimi %D 2008 %J International Journal of Chemical and Molecular Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 18, 2008 %T Effect of Boric Acid on a-Hydroxy Acids Compounds in Thin Layer Chromatography %U https://publications.waset.org/pdf/524 %V 18 %X In this investigation Salicylic acid, Sulfosalicylic acid and Acetyl salicylic acid were chosen as a sample for thin layer chromatography (TLC) on silica gel plates. Bicarbonate buffer at different pH containing different amounts of boric acid was applied as mobile phase. Specific interaction of these substances with boric acid has effect on Rf in thin layer chromatography. Regular and similar trend was observed in variations of Rf for mentioned compounds in TLC by altering of percentages of boric acid in mobile phase in pH range of 8-10. Also effect of organic solvent, mixture of water/ organic solvent and organic solvent containing boric acid as mobile phase was studied. %P 73 - 75