A type of automated chromatography (a technique used to separate mixtures of substances) in which the mixture to be analyzed is vaporized and carried by an inert gas through a special column and thence to a detection device. The special column can contain an inert porous solid (in gas-solid chromatography) or a liquid coated on a solid support (in [..]

A laboratory technique used to separate different substances in a mixture. A gas or a liquid is used to pass the mixture through a column, paper, or special plate that contains absorbing materials. Th [..]

Chromatography is a method for separating mixtures based on differences in the speed at which they migrate over or through a stationary phase.

Procedure to separate substances from substance mixtures where the distribution processes occurring between a stationary and a mobile phase (mobile solvent) have a separating effect. One differentiate [..]

1731, from chromato-, Latinized comb. form of Greek khroma (genitive khromatos) "color" (see chroma), denoting "color" or "chromatin" + -graphy. Related: Chromatograph.

Chromatography is a technique used to separate mixtures into their different components. Chromatography can be used to determine the type of oil used in paint or the type of resin used in a varnish. I [..]

A method of separating the different components of a chemical mixture. This allows a person to identify what components were in the mixture

An analytical technique whereby a complex substance is adsorbed on a solid or liquid substrate and progressively eluted by a flow of a substance (the eluant) in which the components of the substance u [..]

A procedure for separating chemically similar molecules. Segregation is usually carried out on paper or in glass or metal columns with the help of different solvents. The paper or glass columns contai [..]

An analytical chemistry technique for separating and identifying mixtures that are or can be coloured, especially pigments.

Process of separating small amounts of substances from mixtures by the rates at which they move through or along a medium.

A process used to separate mixtures by virtue of differences in absorbency.

(n) a process used for separating mixtures by virtue of differences in absorbency

Group of biochemical techniques for separating mixtures of molecules based on their mass (gel-filtration chromatography), charge (ion-exchange chromatography), or ability to bind specifically to other [..]

The separation of the components of a mixture by use of differences in their interactions with a stationary medium.

Illustrated Glossary of Organic Chemistry Chromatography: A method for separation of components in a mixture, based on differences in attraction (retention) of these components for a mobile phase and [..]

Techniques used to separate mixtures of substances based on differences in the relative affinities of the substances for mobile and stationary phases. A mobile phase (fluid or gas) passes through a co [..]

A chromatographic technique that utilizes the ability of biological molecules to bind to certain Ligands specifically and reversibly. It is used in protein Biochemistry. (McGraw-Hill Dictionary of Sci [..]

A method of separation of two or more substances by repeated distribution between two immiscible liquid phases that move past each other in opposite directions. It is a form of liquid-Liquid Chromatog [..]

A type of Ion Exchange Chromatography using diethylaminoethyl Cellulose (DEAE-Cellulose) as a positively charged resin. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid Chromatography, where the fixed phase [..]

Chromatography on non-ionic Gels without regard to the mechanism of solute Discrimination.

Separation technique in which the stationary phase consists of Ion Exchange Resins. The resins contain loosely held small Ions that easily exchange places with other small Ions of like charge present [..]

Chromatographic techniques in which the mobile phase is a liquid.

Liquid chromatographic techniques which feature high Inlet Pressures, high sensitivity, and high speed.

A microanalytical technique combining Mass Spectrometry and Gas Chromatography for the qualitative as well as quantitative determinations of compounds.

A hybrid separation technique combining both chromatographic and electrophoretic separation principles. While the method was invented to separate neutral species, it can also be applied to charged mol [..]

An analytical technique for resolution of a chemical mixture into its component compounds. Compounds are separated on an adsorbent paper (stationary phase) by their varied degree of Solubility/mobilit [..]

A Chromatography technique in which the stationary phase is composed of a non-polar substance with a polar mobile phase, in contrast to normal-phase Chromatography in which the stationary phase is a p [..]

A method of Gel Filtration Chromatography using Agarose, the non-ionic component of Agar, for the separation of compounds with Molecular Weights up to several million.

A technique for separating molecules based on molecular size. The solid phase commonly consists of porous beads packed in a column.

A Chromatography method using supercritical fluid, usually Carbon Dioxide under very high Pressure (around 73 Atmospheres or 1070 psi at room Temperature) as the mobile phase. Other Solvents are somet [..]

Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be Alumina, Silica Gel, Silicates, charcoals, or Cellulose. (McGraw-Hill Dictionary of Scientific and Technical Te [..]

Techniques used to separate mixtures of substances based on differences in the relative affinities of the substances for mobile and stationary phases. A mobile phase (fluid or gas) passes through a co [..]

A chromatographic technique that utilizes the ability of biological molecules to bind to certain ligands specifically and reversibly. It is used in protein biochemistry. (McGraw-Hill Dictionary of Sci [..]

A method of gel filtration chromatography using agarose, the non-ionic component of agar, for the separation of compounds with molecular weights up to several million.

A type of ion exchange chromatography using diethylaminoethyl cellulose (DEAE-CELLULOSE) as a positively charged resin. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase [..]

Chromatography on non-ionic gels without regard to the mechanism of solute discrimination.

Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.

Separation technique in which the stationary phase consists of ion exchange resins. The resins contain loosely held small ions that easily exchange places with other small ions of like charge present [..]

Chromatographic techniques in which the mobile phase is a liquid.

A hybrid separation technique combining both chromatographic and electrophoretic separation principles. While the method was invented to separate neutral species, it can also be applied to charged mol [..]

An analytical technique for resolution of a chemical mixture into its component compounds. Compounds are separated on an adsorbent paper (stationary phase) by their varied degree of solubility/mobilit [..]

A CHROMATOGRAPHY method using supercritical fluid, usually carbon dioxide under very high pressure (around 73 atmospheres or 1070 psi at room temperature) as the mobile phase. Other solvents are somet [..]

Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Te [..]

A laboratory technique used to separate different substances in a mixture. A gas or a liquid is used to pass the mixture through a column, paper, or special plate that contains absorbing materials. The substances in the mixture are separated based on how far they move through the material. The different substances may be visible to the eye or detec [..]

The physical method of separation in which the components to be separated are distributed between two phases (or media), one of which is stationary while the other moves in a definite direction.

a way of finding out which substances a mixture contains by passing it through or over something that absorbs the different substances at different rates.

A chemical technique used to separate different molecules in a mixture.

An analytical method where a mixture is physically separated into its individual components.

An analytical method where a mixture is physically separated into its individual components.

An analytical method where a mixture is physically separated into its individual components.

a method of separation based on selective adsorption. A solution of the substance is allowed to diffuse slowly through a column of adsorbent, moved by a gas or solvent flow. Different substances will pass with different speeds down the column and will eventually be separated into zones whose content may be monitored by various types of detectors. I [..]

method to separate individual constituents in a sample between a solid and a mobile phase during their flow in a chromatographic system