Sample preparation apparatus and process for the use thereof

Details Sample preparation apparatus and process for the use thereof Sample preparation apparatus and process for the use thereof

1979-04-05

1981-05-12

Smith, William F.

Liquid purification or separation

Processes

Ion exchange or selective sorption

2102571, 210284, 23230M, 422 70, B01D 1508

Patent

active

042670560

ABSTRACT:
An apparatus and its method of use are described for the preparation of samples for organic material analysis, especially for gas chromatographic analysis. The samples in question are samples of organic materials (usually in trace quantities) which have originally been dissolved in water. In the process and apparatus of the present invention each sample is initially transferred to an adsorbent material from which it is in turn transferred to an organic solvent (which may be subsequently dried) and collected and from which the chromatographic analysis sample can later be withdrawn.

REFERENCES:
patent: 4009005 (1977-02-01), Johnson
patent: 4047892 (1977-09-01), Fuller
patent: 4083690 (1978-04-01), Inoue

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