![Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0016236115000204-gr4.jpg)
Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect
![Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0016236115000204-gr7.jpg)
Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect
![Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0016236115000204-gr5.jpg)
Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect
![Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect Naphthenic acid extraction and speciation from Doba crude oil using carbonate-based ionic liquids - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0016236115000204-gr2.jpg)