Hawraa Ali Atwan and Hassan Thamir Abdulsahib 2023. Modifying the Polyvinyl Chloride Pipes Waste using Tannic acid as Sorbent for Crude Oil Spill Cleanup. Journal of Kufa for Chemical Sciences. 2, 9 (Aug. 2023), 13–37. DOI:https://doi.org/10.36329/jkcm/2022/v2.i9.13285.