Notes

ethanol (2 mL).
Thermometer that will measure 60°C, such as a candy thermometer
250 mL beaker. Alternatively, a 1-cup measuring cup with mL markings may be used.
1000 mL beakers (2). Alternatively, 4-cup measuring cups may be used.
Funnel. Alternatively, a strainer may be used that will fit in the 1000 mL beaker or 4-cup measuring cup.
Test tube, with cap. Alternatively, a narrow glass container,
Freezer
Hot tap water bath, at 55-60°C. A 3-quart saucepan works well to hold the water.
Ice water bath, at 4°C. A large mixing bowl with ice cubes works well.
Measuring spoons
Light-colored dishwashing liquid or shampoo, such as Dawn® or Suave® Daily Clarifying Shampoo
Table salt, either iodized or non-iodized (1/4 tsp.)
Distilled water (90 mL)
Spoons for mixing (4)
Large onion
Food processor, blender, or sharp knife for cutting the onion.
Timer or clock
Optional: Refrigerator
#6 coffee filter or cheese cloth (4 layers)
Optional: Flat toothpicks (2) and meat tenderizer that contains papain, such as Adolph's
Glass rod, Pasteur pipette that has been heated at the tip to form a hook, or a similar device. Alternatively, a wooden skewer or nut pick, which is a small metal rod with a curved tip, may also work.
Lab notebook