bids are invited for zinc acetate , toluene sulphur free , hexane a r , potassium sulphate , ether solvent , petroleum ether , cupric sulphate copper sulphate , boric acid , bromo cresol green solution , sulphuric acid , methylene blue aqueous , fehlings solution no 1 , fehlings solution no 2 , ammonia solution , phenolphthalein solution , iodine indicator powder, bromine water , potassium hydroxide pellets , iodinecrystal , anthrone , dinitro salicylic acid , pottassium sodiumtartrate , sodium carbonate , methyl red solution , petridishes 150x20 mm , volumetric flask 500 ml , volumetricflask 1000 ml , volumetric flask 250 ml total quantity : 88