Sample concentrator/solvent exchange system

Details Sample concentrator/solvent exchange system Sample concentrator/solvent exchange system

1991-10-15

1993-08-24

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 89, 73 6155, 210656, 2101982, G01N 3002

Patent

active

052386538

ABSTRACT:
A liquid concentrator having a guide rod (1) around which solution flows, in a chamber (2). A heat source (3) surrounds the guide rod. The solution is preferably mixed with an exchange solvent, the exchange solvent having a higher boiling point than the solution solvents. As the mixture flows down the guide rod, the original solvents are preferably evaporated, concentrating the materials of interest, and leaving the effluent relatively more concentrated in the exchange solvent.

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Griffiths et al., "Solvent Elimination Techniques for HPLC/FT-IR," (Date Unknown) pp. 105-138.
"HRLC.TM.: The New Generation in HPLC," Sales Brochure from Bio-Rad, 1986.

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