chromatography definition

  • noun:
    • Any of numerous techniques for the split of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile phone method and a stationary adsorbing method whereby they go, eg report, gelatin, or magnesia.
    • any one of different processes for the qualitative or quantitative separation of the different parts of mixtures of compounds; all characterised by way of a mobile period (fuel or liquid) moving in accordance with a stationary period (fluid or solid) - the distinctions between the rates of migration associated with the compounds between the two phases effects the separation.
    • A treatise on colors.
    • an analytical and preparative way of separating substances by differences in their discerning adsorption to solids, by-passing a liquid throughout the solid, that the substances become divided have typically already been adsorbed in an initial action. The most important variations tend to be column chromatography, in which the substances to be divided are adsorbed to a column with any of a wide variety of adsorbing solids in powdered or granulated type; paper chromatography, where the solids are applied as an area at one end of a strip of absorbent paper (particularly filter report), and the liquid is percolated through report by capillary action; and thin-layer chromatography (TLC), that is like report chromatography, however the adsorbent material is, in the place of paper, a thin level of finely powdered material, such as for instance cellulose or silica, on a backing of glass or plastic, called a TLC plate. A modern type of line chromatography is superior liquid chromatography, frequently named HPLC.
    • A treatise on colors.
    • a process employed for isolating mixtures by virtue of differences in absorbency
    • Any of numerous techniques for the split of complex mixtures that count on the differential affinities of substances for a gas or liquid mobile method as well as a stationary adsorbing medium whereby they go, such as paper, gelatin, or magnesia.
    • any one of different approaches for the qualitative or quantitative split of this the different parts of mixtures of compounds; all characterised through a mobile period (fuel or fluid) going relative to a stationary phase (fluid or solid) - the distinctions involving the rates of migration of this substances amongst the two stages effects the separation.
    • A treatise on colors.
    • an analytical and preparative way of isolating substances by variations in their selective adsorption to solids, by-passing a liquid on the solid, to which the substances become divided have generally been adsorbed in an initial step. The main variations tend to be line chromatography, when the substances is separated are adsorbed to a column with some of a wide variety of adsorbing solids in powdered or granulated kind; report chromatography, in which the solids are applied as an area at one end of a strip of absorbent paper (such filter paper), together with fluid is percolated through report by capillary action; and thin-layer chromatography (TLC), that will be like paper chromatography, nevertheless the adsorbent product is, in place of paper, a thin layer of finely powdered material, including cellulose or silica, on a backing of cup or plastic, called a TLC dish. Today's version of line chromatography is high-performance fluid chromatography, frequently named HPLC.
    • A treatise on colors.
    • a procedure utilized for breaking up mixtures by virtue of differences in absorbency

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