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Example of saponification reaction of a triglyceride molecule (left) with potassium hydroxide (KOH) yielding glycerol (purple) and salts of fatty acids ().. Saponification value or saponification number (SV or SN) represents the number of milligrams of potassium hydroxide (KOH) or sodium hydroxide (NaOH) required to saponify one gram of fat under the conditions specified.
Saponification is a process of cleaving esters into carboxylate salts and alcohols by the action of aqueous alkali. Typically aqueous sodium hydroxide solutions are used. [1] [2] It is an important type of alkaline hydrolysis. When the carboxylate is long chain, its salt is called a soap. The saponification of ethyl acetate gives sodium acetate ...
Hair ice growing on wood on the forest floor Example of hair ice, British Columbia, Canada. Hair ice, also known as ice wool or frost beard, is a type of ice that forms on dead wood and takes the shape of fine, silky hair. [1] It is somewhat uncommon, and has been reported mostly at latitudes between 45 and 55 °N in broadleaf forests.
George Doumar, born in 1892, re-built Doumar's and worked at the restaurant until he died in 1974. His son, Albert Doumar, born in 1922 in Norfolk, worked at the restaurant until August 2013, making daily ice cream cones with a cone making machine that dates from 1905. Albert Doumar died after battling bladder cancer on May 14, 2014.
The term ice cream cone can also refer, informally, to the cone with one or more scoops of ice cream on top. There are two techniques for making cones: one is by baking them flat and then quickly rolling them into shape (before they harden), the other is by baking them inside a cone-shaped mold. [1]
Boku Europa brand ice cream maker Looking into the preparation of strawberry ice cream. A domestic ice cream maker is a machine used to make small quantities of ice cream for personal consumption. Ice cream makers may prepare the mixture by employing the hand-cranking method or by employing an electric motor. The resulting preparation is often ...
Anyone with thin hair knows the struggle. You wish your hair would hold its shape for longer than 0.001 seconds. Hell, you just want your scalp to stop showing through your baby-fine strands. (I ...
Conk hairstyle. The conk was a hairstyle popular among African-American men from the 1920s up to the early-to-mid 1960s. [1] This hairstyle called for a man with naturally "kinky" hair to have it chemically straightened using a relaxer called congolene, an initially homemade hair straightener gel made from the extremely corrosive chemical lye which was often mixed with eggs and potatoes.