Figure 3. (a) Specific gravity and (b) Viscosity of unrefined and refined used oils

From

Refining, Toxicology Study and Biodiesel Potentials of Used Vegetable Oils

Olaoluwa Ruth Obisesan, Abolanle Saheed Adekunle, John Adekunle Oyedele Oyekunle, Efere Martins Obuotor, Olatunji Seyi Ojo, Adedayo Muideen Sanni, Muib Adewale Akinyemi, Oyedare Mayowa Adesina

American Journal of Food Science and Technology. 2017, 5(3), 78-88 doi:10.12691/ajfst-5-3-2