Materials and methods of homemade soap

Lard and caustic soda homemade soap method:
20 grams of fat, 7 grams of sodium hydroxide and 50 act completely litres of water in a beaker, use alcohol lamp to heat. Heat, stirring, repeatedly the lard and sodium hydroxide reaction. Because of the slow reaction, so that a reaction time is longer. In the process of reaction, should add water several times, to make up the moisture loss due to evaporation.
When you see the surface of the reaction mixture is no longer a layer of molten state the original floating oil (i.e., there is no effect of lard), lard and sodium hydroxide has been basically reaction completely, can stop heating. Then hot heat the water in the beaker to join here 50 litres of saturated salt solution, after fully mixing, can cool, made from a mixture of sodium stearate in precipitation.


Finally, the floating in the upper solution of sodium stearate solid, water will be adsorbed on the surface of the solid solution (including dissolved glycerol, salt and not effect the sodium hydroxide) is rinsed clean, after molding, drying, it is made into a bar of soap.


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