We are offering glycerine- usp grade. pack: 20 mt flexi bag in container test parameters spacificationglycerine content, % 99.5 minidentification a(ir) conformsidentification b(gc) conformsspecify gravity @ 2525c 1.249 minresidue on ignition, % 0.01 maxchlorides, ppm 10 maxsulfates, ppm 20 maxheavy metals, ppm 5 maxchlorinated compounds as ci, ppm 30 maxorganic volatile impurities, % meets requirementfatty acid and easters, ml 0.5n naoh50g 1 maxdiethylene glycol and related compounds conformswater, % 0.5 maxcolor apha 10 max