Pre-column for preconcentrating substances to be chromatographed

Details Pre-column for preconcentrating substances to be chromatographed Pre-column for preconcentrating substances to be chromatographed

1984-09-07

1985-11-19

Adee, John

Liquid purification or separation

With means to add treating material

Chromatography

55386, B01D 1508

Patent

active

045540713

ABSTRACT:
The invention relates to a pre-column of pressure-resistant material for preconcentrating at elevated pressure substances to be chromatographed, which column consists of a vessel-shaped body which narrows internally towards the two ends and has means for sealing connections, upstream to an inlet tube for the liquid to be preconcentrated and downstream to a separating column.
The invention also relates to a device for a liquid chromatography system, comprising one or more pre-columns, optionally one or more separating columns, and a coupling member, and to a coupling member for said device.

REFERENCES:
patent: 3578785 (1971-05-01), Patterson
patent: 3782078 (1974-01-01), Jerpe
patent: 4070284 (1978-01-01), Fujita et al.

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