Solid phase extraction medium

Details Solid phase extraction medium Solid phase extraction medium

B - Operations, Transporting

01

D

B01D 53/04 (2006.01) B01D 15/00 (2006.01) B01D 15/08 (2006.01) B01J 20/26 (2006.01) B01J 20/28 (2006.01) G01N 30/52 (2006.01)

Patent

CA 2059398

A method for isolating an environmentally hazardous organic contaminant from a fluid utilizes a solid phase extraction medium comprises a PTFE fibril matrix, and sorptive particles enmeshed in said matrix comprising more than 30 and up to 100 weight percent of porous organic particles, and less than 70 to 0 weight percent of porous (organic-coated or uncoated) inorganic particles, the ratio of sorptive particles to PTFE being in the range of 40:1 to 1:4 by weight. The extraction medium is useful in pesticide, phenolics, and residue of explosives separations. The separations can be efficiently performed in a stacked disk format.

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