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Petroleum jelly. Petroleum jelly, petrolatum, white petrolatum, soft paraffin, or multi-hydrocarbon, CAS number 8009-03-8, is a semi-solid mixture of hydrocarbons (with carbon numbers mainly higher than 25), [ 1 ] originally promoted as a topical ointment for its healing properties. [ 2 ] Vaseline has been an American brand of petroleum jelly ...
A sebaceous gland or oil gland[1] is a microscopic exocrine gland in the skin that opens into a hair follicle to secrete an oily or waxy matter, called sebum, which lubricates the hair and skin of mammals. [2] In humans, sebaceous glands occur in the greatest number on the face and scalp, but also on all parts of the skin except the palms of ...
Ambergris in dried form. Ambergris (/ ˈæmbərɡriːs / or / ˈæmbərɡrɪs /; Latin: ambra grisea; Old French: ambre gris), ambergrease, or grey amber is a solid, waxy, flammable substance of a dull grey or blackish colour produced in the digestive system of sperm whales. [ 1 ] Freshly produced ambergris has a marine, fecal odor.
Multiplayer. RuneScape is a fantasy massively multiplayer online role-playing game (MMORPG) developed and published by Jagex, released in January 2001. RuneScape was originally a browser game built with the Java programming language; it was largely replaced by a standalone C++ client in 2016.
The authors differ significantly more regarding the color of the clays. If Johann Gottgelf von Waldheim unequivocally states that mountain soap “has a light pitch-black color”,: 377 Pavel Goryaninov practically confirm his opinion, assuring that it is “black-brown in color”,: 264 and Robert Jameson confirms this information,: 80 however then other authors are much less categorical.
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.
Chewing gum. Chewing gum is a soft, cohesive substance designed to be chewed without being swallowed. Modern chewing gum is composed of gum base, sweeteners, softeners/ plasticizers, flavors, colors, and, typically, a hard or powdered polyol coating. [1]
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