Biodiesel Masterclass: Testing Biodiesel—Checking Fuel for Soap

Soap formation in biodiesel production is normal, but if the resulting fuel has too much soap, it can cause performance issues. This video will walk you through a biodiesel soap titration to test for soap ppm in a fuel sample. Soap levels must be under 41 ppm for NaOH reacted biodiesel and under 66 ppm for KOH reacted biodiesel to ensure the biodiesel is up to the ASTM quality standards. You can learn more about biodiesel on our website, www.biodieseleducation.org