How Does Soap Work? | Britannica - Encyclopedia Britannica
Soap is able to clean hands and dishes because of some pretty nifty chemistry. Soap molecules have on one end what’s known as a polar salt, which is hydrophilic, or attracted to water.
Soap and detergent | Chemistry, Uses, Properties, & Facts
2024年11月15日 · Soap and detergent, substances that, when dissolved in water, possess the ability to remove dirt from surfaces such as human skin, textiles, and other solids. The …
soap summary | Britannica
soap, Any of a group of organic compounds that are salts of fatty acids, usually stearic acid (with 18 carbon atoms) or palmitic acid (with 16 carbon atoms). The source may be any vegetable …
Soap and detergent - Synthetic, Surfactants, Cleaning | Britannica
2024年11月15日 · The major raw materials for soap manufacture are fat and alkali. Other substances, such as optical brighteners, water softeners, and abrasives, are often added to …
micelle - Students | Britannica Kids | Homework Help
When a soap is dissolved in water, fatty acids in the soap form spherical structures called micelles, in which the hydrophilic “heads” of the fatty acid molecules are turned toward the …
Soap and detergent - Hydrolyzer, Process, Manufacturing
2024年11月15日 · Soap and detergent - Hydrolyzer, Process, Manufacturing: The boiling process is very time consuming; settling takes days. To produce soap in quantity, huge kettles must be …
Detergent | Cleaning, Laundry & Stain Removal | Britannica
2024年12月27日 · Detergent, any of various surfactants (surface-active agents) particularly effective in dislodging foreign matter from soiled surfaces and retaining it in suspension. The …
Liquid crystal - Polymers, Phases, Mesophases | Britannica
2024年12月3日 · Soap can form a type of smectic known as a lamellar phase, also called neat soap. In this case it is important to recognize that soap molecules have a dual chemical …
Soap and detergent - Fatty Acids, Sodium Hydroxide, Glycerin
2024年11月15日 · Soap and detergent - Fatty Acids, Sodium Hydroxide, Glycerin: Fatty alcohols are important raw materials for anionic synthetic detergents. Development of commercially …
Saponification | chemical reaction | Britannica
…(lye) or sodium—a reaction called saponification—is utilized in the preparation of soaps from fats and oils and is also used for the quantitative estimation of esters. Wet chemical fire …