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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 ...
Adipocere was first described by Sir Thomas Browne in his discourse Hydriotaphia, Urn Burial (1658): [4]. In a Hydropicall body ten years buried in a Church-yard, we met with a fat concretion, where the nitre of the Earth, and the salt and lixivious liquor of the body, had coagulated large lumps of fat, into the consistence of the hardest castile-soap: wherof part remaineth with us.
Hydrogenation and saponification of castor oil yields 12-hydroxystearic acid, which is then reacted with lithium hydroxide or lithium carbonate to give high-performance lubricant grease. [ 46 ] Since it has a relatively high dielectric constant (4.7), highly refined and dried castor oil is sometimes used as a dielectric fluid within high ...
A fresh pig carcass. At this stage the remains are usually intact and free of insects. The corpse progresses through algor mortis (a reduction in body temperature until ambient temperature is reached), rigor mortis (the temporary stiffening of the limbs due to chemical changes in the muscles), and livor mortis (pooling of the blood on the side of the body that is closest to the ground).
Its main constituents are palmitate, palmitoleate, and oleate esters of long-chain (30–32 carbons) aliphatic alcohols, with the ratio of triacontanyl palmitate CH 3 (CH 2) 29 O-CO-(CH 2) 14 CH 3 to cerotic acid CH 3 (CH 2) 24 COOH, the two principal constituents, being 6:1 [citation needed]. Beeswax can be classified generally into European ...
CNN: How long does overcoming aerophobia take? Saltz: It can be different for every person, but some people really do get better in eight or 10 weekly therapy sessions. Some people’s phobia is ...
How to Reset Female Hormones For Weight Loss. This article was reviewed by Craig Primack, MD, FACP, FAAP, MFOMA. Hormones can be helpful heroes, supporting the immune system and a healthy sleep ...
$22.00 at boisson.co. Drink Proxies Gold Crush Sparkling White Wine. You'll want to toast to this drink! Not only is it bubbly, but it's also both chef and sommelier approved with a light ...