Assembly for connecting the column ends of two capillary columns

Details Assembly for connecting the column ends of two capillary columns Assembly for connecting the column ends of two capillary columns

1983-04-22

1984-06-12

Adee, John

Gas separation

With remote fan or pump and unconfined flow to separator

2101982, 285156, B01D 1508

Patent

active

044539541

ABSTRACT:
In gas chromatography, the column ends of two capillary columns are inserted into a straight capillary from both sides forming annular gaps. The capillary is located in a tee out of which the capillary columns are sealingly guided, and to which carrier gas is supplied by means of a flushing flow conduit. A "straight-forward operation" having capillary columns connected in series and a "flush-back operation" are possible. The dead volume between the capillary columns can be kept small.

REFERENCES:
patent: 3494174 (1970-02-01), Green et al.
patent: 4083702 (1978-04-01), Hartigan et al.
patent: 4313828 (1982-02-01), Brownlee
Gas Chromatography With Glass Capillary Columns by Jennings, Academic Press of N.Y., pp. 62-64, 1978.

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