METHOD OF PRODUCING CAPILLARY COLUMNS AND DEVICE TO THIS END Russian patent published in 2009 - IPC G01N30/56 

FIELD: physics, measurements.

SUBSTANCE: proposed method can be used in chemical, petrochemical, medical and other industries for gas-chromatography proximate analysis of compound mixes of natural technogenic origin substances. The sorbent layer is dynamically formed on the capillary column inner surface by periodical metered feed of aerosol portion into inert gas flow that blows through the column, the said aerosol portion being produced by bubbling inert gas through solid carrier suspension and subsequent removal of the solvent from the column by inert gas. The proposed device comprises a bubbler with solid carrier suspension in the liquid phase solution, its inlet being submerged into suspension while its outlet line being communicated with gas space above the suspension. Note that, additionally, the proposed device comprises a flows divider furnished with a solid particle entrapping vessel communicating with the discharge line via adjustable fluidic resistor.

EFFECT: higher efficiency of proposed method.

2 cl, 1 dwg