Chamber for chromatographic analyses

Details Chamber for chromatographic analyses Chamber for chromatographic analyses

1983-02-09

1988-09-20

Levy, Stewart J.

Measuring and testing

Gas analysis

Gas chromatography

55386, G01N 3002

Patent

active

047716282

ABSTRACT:
This invention concerns a chamber for chromatographic analyses, in which capillary columns, in particular columns of fused silica, are thermally conditioned. The chamber comprises a thermally insulated space which can be perfectly sealed towards the outside and which houses means for heating the air and at least a fan for air circulation inside said space. In order to make the air flow going to the column(s) within the chamber as homogeneous and stable as possible from the thermal viewpoint the heating means are positioned on the suction side of the fan or of each fan, so to cause a perfect mixing of cold and hot fluid flow threads or lines in correspondence with the fan itself, and thereby obtain a uniform and stable air current from the fan towards the column.

REFERENCES:
patent: 3385099 (1968-05-01), Diem et al.
patent: 3403545 (1968-10-01), Carter
patent: 4070169 (1978-01-01), Iwao et al.
patent: 4181613 (1980-01-01), Welsh et al.

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