Dictionary Meaning and Definition on 'Hydrolysis'
n : a chemical reaction in which water reacts with a compound to
produce other compounds; involves the splitting of a bond
and the addition of the hydrogen cation and the hydroxide
anion from the water
- Hydrolysis \Hy*drol"y*sis\, n. [Hydro-, 1 + -lysis.] (Chem.)
A chemical process involving the addition of the elements of
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Wikipedia Meaning and Definition on 'Hydrolysis'
Hydrolysis is a chemical reaction or process in which a chemical compound reacts with water. This is the type of reaction that is used to break down polymers into many smaller units. In this reaction always water is added to the chemical compound.
(As noted above, hydrolysis of metal salts is more commonly known as hydration.) Many metal ions are strong Lewis acids, and in water they may undergo hydrolysis to form basic salts. Such salts contain a hydroxyl group that is directly bound to the metal ion in place of a water ligand. The positive charge on metal ions creates an attraction to water, a Lewis base with a non-binding electron pair on the oxygen atom, and alters water's electron density. This in turn increases the polarity of the O-H bond, which now acts as a proton donor under Brønsted-Lowry acid-base theory to release the hydrogen as a H+ ion, increasing the acidity of the solution. For example, aluminium chloride undergoes extensive hydrolysis in water such that the solution becomes very acidic.[See more about Hydrolysis at Dictionary 3.0 Encyclopedia]
Words and phrases related to 'Hydrolysis'
Hydrolysis Sample Sentences in News
- Enzymatic hydrolysis of cellulose in aqueous ionic liquids
Total enzymatic hydrolysis of the polysaccharides in lignocellulosic biomass to monosaccharides is currently a focus research area. The monosaccharides obtained from lignocellulose hydrolysis can be used for the production of platform chemicals and biofuels, most notably ethanol. One major challenge in the commercialization of lignocellulosic ethanol production is Read more on this news related to 'Hydrolysis'
- Thermoplastic Polyurethanes suit food contact applications.
Available in hardness range of Shore A 80 to Shore D 74, polyether-based and polyester-based TPUs are formulated to withstand wide range of temperatures, exhibit good hydrolysis resistance, and offer both tear and abrasion resistance. Colorable grades meet FDA standards for contact with dry food, making them suitable for conveyor belts, harvesting equipment, and b Read more on this news related to 'Hydrolysis'