Ethanol Activity 2
A hands-on student lab activity in which learners ferment ethanol from crushed corn, distill the ethanol from the coproduct, and test the remaining distillers grain coproduct for protein content using biuret solution. It teaches the ethanol production process from starch and how to identify the nutrient content of ethanol coproducts. Includes a student worksheet with observation tables and analysis questions.
At a glance
- Materials
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- Safety glasses
- Lab apron
- Plastic or nitrile gloves
- Pencil
- 250ml beaker
- 50ml beaker
- Thermometer
- Yeast
- Water
- Microwave
- 250ml Erlenmeyer flask
- Crushed corn
- Electronic balance
- Two-hole stopper
- 5cm glass tubing
- 2ft plastic tubing
- Bromothymol blue
- Condenser
- Crushed Ice
- Utility clamp
- Ring stand
- Porcelain bowl
- Butane lighter
- Test tube
- Biuret solution
- Eye dropper