Gem Bids For Laboaratory, Whatman Filter Paper No40, Whatman Filter Paper No41, Whatman Filter Paper No42, Glycerine, Tri Ethanol Amine, Barium Chloride, Sodium Carbonate, Nitro Benzene, Silvernitrate, Ammonium Thiocyanate, Potassium Chromate, Silica Crucibleweight 70 -75 Gms