How to make soap
Make soap from lard.
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2 Safety 3 How to do 4 External links |
Gloves, labcoat and appropriate eyeware should be worn when handling the 6N NaOH. It should be used in a well-ventilated area, preferably in a fume hood. DO NOT BREATHE THE FUMES. Wash with vinegar should you get some on your skin (have some vinegar handy before starting the experiment) -DO NOT wash with water!.
1.Place 10 grams of lard (or any other fat, such as oil or butter) in a beaker.
2.SLOWLY AND CAREFULLY add 15 ml of 6N sodium hydroxide
3.Add 50ml of ethyl alcohol (ethanol)
4. Gently heat this mixture under low heat, stirring with a glass stirring rod until the base has completely reacted with the lard (about 20 to 30 minutes)
5.After all of the base has reacted, add 20 ml of water and stir
6.Cool the mixture. Add 12 g of sodium chloride (table salt) to 50 ml of water. Pour the cooled mixture of base and lard into the NaCl mixture (not the other way around).
7. Let this new mixture cool completely. The solid cake that forms is the soap (whats left, if you do it out chemically, is glycerol).Equipment
Safety
How to do
