contact ion pair

См. также в других словарях:

• Intimate ion pair — In chemistry the intimate ion pair concept introduced by Saul Winstein describes the interactions between a cation, anion and surrounding solvent molecules.[1] In ordinary aqueous solutions of inorganic salts an ion is completely solvated and… …   Wikipedia

• ion-exchange reaction — ▪ chemical reaction Introduction       any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …   Universalium

• Metal ions in aqueous solution — A metal ion in aqueous solution is a cation, dissolved in water, of chemical formula [M(H2O)n]z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li+ and Be2+ and 6 for elements in rows 3 and 4 of the periodic… …   Wikipedia

• SN2 reaction — The SN2 reaction (also known as bimolecular nucleophilic substitution) is a type of nucleophilic substitution, where a lone pair from a nucleophile attacks an electron deficient electrophilic center and bonds to it, expelling another group called …   Wikipedia

• SN1 reaction — The SN1 reaction is a substitution reaction in organic chemistry. SN stands for nucleophilic substitution and the 1 represents the fact that the rate determining step is unimolecular [ L. G. Wade, Jr., Organic Chemistry , 6th ed.,… …   Wikipedia

• Crich beta-mannosylation — The Crich β mannosylation is a synthetic strategy which is used in carbohydrate synthesis to generate a 1,2 cis glycosidic bond. This type of linkate is generally very difficult to make, and specific methods like the Crich β mannosylation are… …   Wikipedia

• Киселев, Владимир Дмитриевич — В Википедии есть статьи о других людях с такой фамилией, см. Киселёв. Владимир Кисилёв Дата рождения: 23 ноября 1942(1942 11 23) (70 лет) Место рождения: Кубань Страна …   Википедия

• liquid — liquidly, adv. liquidness, n. /lik wid/, adj. 1. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid. 2. of, pertaining to, or consisting of liquids: a liquid diet. 3 …   Universalium

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium