FIELD: analytical chemistry.
SUBSTANCE: invention relates to gas chromatographic rapid analysis of a substance. Planar gas chromatographic column of pillar type consists of silicon substrate with channels, inner surface of which is modified depending on the required selective and chromatographic properties of the created separation column, comprising periodically repeating vertical columns—pillars, sealed with an unstructured silicon or glass plate, wherein the pillars in its composition have a drop-shaped cross-sectional profile.
EFFECT: higher efficiency of separation.
1 cl, 1 dwg
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