Translations:Biodiesel/111/en

• 10ml of isopropyl alcohol or isopropanol.
• 1ml of your used oil
• 2-3 drops of phenolphthalein (indicator)
• 1L of distilled water
• 1g of catalyst, sodium hydroxide NaOH or potassium hydroxide KOH.

Always keep these products in a sealed, airtight container