Figure 3. Effect of catalyst concentration on esterification reaction

From

Synthesis of Biodiesel from Waste Cooking Oil

M. Rakib Uddin, Kaniz Ferdous, M. Rahim Uddin, Maksudur R. Khan, M. A. Islam

Chemical Engineering and Science. 2013, 1(2), 22-26 doi:10.12691/ces-1-2-2