Method and device for preparing samples

Details Method and device for preparing samples Method and device for preparing samples

1997-07-18

1999-01-19

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210651, 210656, 2101982, B01D 1508

Patent

active

058610979

ABSTRACT:
From an analysis probe to be analyzed, impurities such as proteins or solid matter are separated from the analytes to be analyzed by way of dialysis. An analysis solution containing the analytes is separated from an acceptor solution by a membrane of a dialysis cell. The membrane is chosen such that the analytes diffuse from the analysis solution through the membrane into the acceptor solution. In order to maintain as high as possible concentration of analytes in the acceptor solution, the analysis solution is constantly renewed. The acceptor solution remains stationary in an acceptor chamber until the concentration of analytes in the acceptor solution has reached a predetermined value, for example 95%.

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Martinez, "Membrane extraction" Analytica Chimica Acta, 304 (1995) pp. 323-332.

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