supply of boq chemicals - citric acid , benzoic acid , pectin , resazurin , buffercapsule , crucible , guaiacol , hydrogen peroxide , dichloromethane , ethanol , methanol , sodium diphenyl phosphate ,amyl alcohol , diethyl ether , sodium sulphate , ferricchloride , chloroform , silver nitrate solution , potassiumchromate , petroleum ether , folin and ciocalteus , anthronereagent , butyrometer , gallic acid mono hydrate ,quercetin dihydrate , aluminum chloride , naoh , potassium persulphate , l.....