two-dimensional chromatography


Also found in: Medical.

two-dimensional chromatography

[′tü ¦di¦men·shən·əl ‚krō·mə′täg·rə·fē]
(analytical chemistry)
A paper chromatography technique in which the sample is resolved by standard procedures (ascending, descending, or horizontal solvent movement) and then turned at right angles in a second solvent and re-resolved.
References in periodicals archive ?
Contract notice: Two-dimensional chromatography equipment gas phase coupled to a mass spectrometer flight time.
Among the devices there were presented in the field of nanotechnology in the Second Exhibition of Laboratory Devices and Materials Made in Iran, mention can be made of products such as scanning tunneling microscope, atomic force microscope, vibrating sample magnetometer, electrospinning, capillary electrophoresis, various coating and deposition systems, gas and two-dimensional chromatography equipment, porosimetry and specific area measurement systems, and metallic nano-colloid and nanopowder production equipment.
Two-dimensional chromatography of amniotic fluid phospholipids is the gold standard for prenatal assessment of fetal pulmonary maturity.
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