Quality of Biofuel from Vegetable Oils

Vegetable oils or plant oils are oils that are extracted primarily from the seeds of oilseed plants.They consist mainly of glycerides* (esters of glycerine) and a varying blend of saturated and unsaturated fatty acids. They are insoluble in water and are characterized by a relatively high viscosity.

*Triglycerides, the main compound in oil and fat, consist of three fatty acids bound to the trivalent alcohol glycerine.

• Oxidation stability of vegetable oils
• Determining the water content by Karl Fischer Titration
• Determining the acid number by non-aqueous potentiometric titration
• Determining the iodine number by potentiometric titration
• Brochure: Quality Assurance of Biofuels with Metrohm instruments (pdf)
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