cation

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Related to cationic: Cationic Dyes, cationic detergents

cation

(kăt'ī`ən), atom or group of atoms carrying a positive charge. The charge results because there are more protons than electrons in the cation. Cations can be formed from a metal by oxidation (see oxidation and reductionoxidation and reduction,
complementary chemical reactions characterized by the loss or gain, respectively, of one or more electrons by an atom or molecule. Originally the term oxidation
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), from a neutral base (see acids and basesacids and bases,
two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Properties
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) by protonation, or from a polar compound by ionization. Cationic species include Na+, Mg++, and NH4+. The cations of the transition elementstransition elements
or transition metals,
in chemistry, group of elements characterized by the filling of an inner d electron orbital as atomic number increases.
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 have characteristic colors in water solution. Saltssalt,
chemical compound (other than water) formed by a chemical reaction between an acid and a base (see acids and bases). Characteristics and Classification of Salts

The most familiar salt is sodium chloride, the principal component of common table salt.
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 are made up of cations and anionsanion
, atom or group of atoms carrying a negative charge. The charge results because there are more electrons than protons in the anion. Anions can be formed from nonmetals by reduction (see oxidation and reduction) or from neutral acids (see acids and bases) or polar compounds
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. See ionion,
atom or group of atoms having a net electric charge. Positive and Negative Electric Charges

A neutral atom or group of atoms becomes an ion by gaining or losing one or more electrons or protons.
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.

cation

[′kat‚ī·ən]
(chemistry)
A positively charged atom or group of atoms, or a radical which moves to the negative pole (cathode) during electrolysis.

cation

a positively charged ion; an ion that is attracted to the cathode during electrolysis
References in periodicals archive ?
Spassky, 'Industrial Cationic Polymerizations: An Overview', in Cationic Polymerizations: Mechanisms, Synthesis and Applications, K.
Product Overview II-4 Surfactants II-4 Chemistry of Surface-Active Agents II-4 Overview of Raw Materials Used for Manufacturing Surfactants II-4 LAB: The Key Input Material for Anionic Surfactant II-4 Other Materials II-5 Surfactant Manufacturing Process II-5 Classification II-5 Anionic Surfactants II-5 Applications II-5 Nonionic Surfactants II-6 Applications II-6 Cationic Surfactants II-6 Applications II-6 Amphoteric Surfactants II-6 Applications II-7 Other Surface Active Agents II-7 Polymeric Surfactants II-7 Silicon Surfactants II-7 Perfluorinated Surfactants II-7 End Use Segments II-7 Overview II-7
The SolarCat inks display exceptional technical performance combined with ground-breaking productivity and solve many of the drawbacks of existing cationic technologies," said Jonathan Sexton, Sun Chemical's European product manager, narrow web labels.
Additive Cost Reduction: A fourdrinier paper machine making offset printing papers with a sheet ash of 15 % was using a single component cationic flocculant for retention.
In most cases, wet end starches are cationic or amphoteric, whereas surface starches are oxidized or hydroxyethyalted.
The radiation curable, cationic CN3230 dispersant, PRO6134 surfactant, polyethylene glycol diacrylate monomer, and 15 mole ethoxylated trimethylolpropane triacrylate monomer were from Sartomer Company, Inc.
Chinese specialty surfactant for personal care market, comprising the special amphoteric surfactant, special non-ionic, special cationic, special anionic, as well as silicone surfactant market was valued at $87.
Subject of procurement:Cationic emulsifier for road cationic bitumen emulsion with a rapid decay in accordance STB1245-2015
5 tons per year of cationic polyelectrolyte powder and 25 tons per year of anionic polyelectrolyte powder
It is comprised of a cationic starch consisting of hydroxypropyl oxidized starch PG trimonium chloride and at least one monosaccharide derived cationic polymer selected from cationic polymers of guar.
Summary: A new Gimini cationic surfactant (BHAC) was synthesized using succinic acid, epichlorohydrin and N,N-dimethyldodecylamine as raw reactants.
An absorbent article for feminine protection comprising a liquid pervious topsheet, a backsheet, an absorbent core intermediate the backsheet and the topsheet, and a cationic modified starch, wherein the cationic modified starch comprises starch modified by a cationizing agent comprising an ammonium group, wherein the degree of substitution of the cationizing agent is from about 0.

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