Chapter 2.Theory and relevant content.Study on the soap contains documents and work related to education. Soap making herbal soap has a variety of styles by many kinds of herbs ที่นำ based on mixed with glycerin. To make soap, as needed. By the author this project is to study how to make soap from herbs, harmless on the skin by using natural herbs mixture is "turmeric." "coffee residue." "Junior" and "honey" used in the experiment and were created.Soap (soap) is caused by the chemicals the reaction between sodium hydroxide (lye, caustic soda, (NaOH,) และน้ำมัน come from animals or plants. A mixture between acid (fat) with a base (alkaline) in the ratio that can be cleaned well and harmless on the skin is the pH between 8-10 used to cleanse the body along with bath Made from animal fat, mixed with perfume, caustic soda and other raw materialsAcid (fat) and bass (alkaline) was used to make soap. Each type contains more than fat fatty acid 1 type. Naturally, these fatty acids are not independent. But combining with test Lee glycerol in fat in the form of glyceride. When the alkaline reacted with fatty acids. Fatty acids are removed from the glyceride, gather a soap Compounds with fatty acids will come off the island as a glycerin fatty acid reaction of each kind when combined with alkali. To make soap, with different properties, such as lauric acid. There are a lot of coconut oil. Fatty acids react with alkali and the bubble.Glycerin is a kind of alcohol with the chemical formula C3H5 (HO) 3 looks thick and transparent, colorless gems from the process. As a result make soap. The base is mixed with fat from animal and plant manufacturers, soap to separate glycerin to useful in making lotion and cream again. Glycerin. When in solution will work very well. Because the raw materials to moisture. Soluble in alcohol and water. And also used to produce nitroglycerine and candy, preserved fruits and vegetables, as well as in subjects in the room laboratory. Looking for the mixture as glycerin from the lotion paste remember.
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