?url_ver=Z39.88-2004&rft_id=10.1021%2Facsomega.1c00189&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.au=Khaidzir%2C+S.&rft.aulast=Khaidzir&rft.issn=24701343&rft.date=2021&rft.atitle=Ultrasonic-Assisted+Technique+as+a+Novel+Method+for+Removal+of+Naphthenic+Acid+from+Model+Oil+Using+Piperidinium-Based+Ionic+Liquids&rft.pages=9629-9637&rft.volume=6&rft.issue=14&rft.title=ACS+Omega&rft.genre=article