tender for purchase of chemicals and other lab items , pottassium sulphate ar , diethyl ether ar , dimethylsulfoxide ar , ortho phosphoric acid ar , phenolphthaleon , chloroform ar , acetone ar , glacial acetic acid ar , isopropyl alcohol ar , formic acid ar , conc.sulphuric acid ar ( 500 ml) , iodin resublimed , pottassium phosphate ar , silicon dioxide ar , silicom grease , sodium bicarbonate ar , hekla lava , disodium hydrogenortho phosphate ar , magnesium sulphate ar , arsenic tri iodide ar , quinine sulphate ar , mercuriciodide red ar , iron metal , copper metal , charcol(vegetable charcol) , antimony trichloride ar , zinc powderar , lead acetate ar , magnesium powder ar , vanillin , sodium nitrate ar , silver nitrate ar , hydrochloric acid ar (500ml ) , heating mantle(500ml ) , round bottom flask (flat,size =24/29)500ml , filter paper