Rapid gas chromatography on polycapillary columns and its ability
https://doi.org/10.18412/1816-0387-2010-3-
Abstract
Ways to accelerate the process of chromatographic analysis are examined. The best way to reduce the time of separation is the using of short capillary columns with a small (10 – 50 microns) diameter of the capillary. Restrictions on the use of such columns are discussed, the main one is the necessity to introduce a very small sample volume. This restriction can be overcome by using more than one capillary, the package of a large number of small capillaries, which operates as a single chromatographic column, called polycapillary (PAC). In this case, the sample volume increases, what allows to work in a wide range of concentrations. Different types of PAC are considered. The mechanism of the broadening of the chromatographic peak at the PAC and its properties are discussed. Examples of columns in the mode of gas-liquid and gas-adsorption chromatography are presented. Example of the PAC in catalytic studies is shown.
About the Authors
V. N. Sidelnikov
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
Yu. V. Patrushev
Boreskov Institute of Catalysis, Novosibirsk; Novosibirsk State University, Faculty of Natural Sciences
Russian Federation
Russian Federation
O. A. Nikolaeva
Boreskov Institute of Catalysis, Novosibirsk
Russian Federation
Russian Federation
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Review
For citations:
Sidelnikov V.N., Patrushev Yu.V., Nikolaeva O.A. Rapid gas chromatography on polycapillary columns and its ability. Kataliz v promyshlennosti. 2010;(3). (In Russ.) https://doi.org/10.18412/1816-0387-2010-3-
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