Iqhrammullah, M Filler-Modified Castor Oil-Based Polyurethane Foam for the Removal of Aqueous Heavy Metals Detected Using Laser-Induced Breakdown Spectroscopy (LIBS) Technique. [electronic resource] - Polymers Apr 2020 Publication Type: Journal Article ISSN: 2073-4360 Standard No.: 10.3390/polym12040903 doi