Organic containment separator

Patent · 31 December 1994

OSTI ID:869814

Del Mar, Peter ^[1]

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1. Los Alamos, NM

A process of sample preparation prior to analysis for the concentration of an organic contaminant in an aqueous medium by (a) passing an initial aqueous medium including a minor amount of the organic contaminant through a composite tube including a polymeric base material selected from the group of polyolefins and polyfluorocarbons and particles of a carbon allotrope material adfixed to the inner wall of the polymeric base material, the composite tube having an internal diameter of from about 0.1 to about 2.0 millimeters and being of sufficient length to permit the organic contaminant to adhere to the composite tube, (b) passing a solvent through the composite tube, said solvent capable of separating the adhered organic contaminant from the composite tube. Further, an extraction apparatus for sample preparation prior to analysis for the concentration of an organic contaminant in an aqueous medium, said apparatus including a composite tube including a polymeric base material selected from the group of polyolefins and polyfluorocarbons and particles of a carbon allotrope material adfixed to the inner wall of the polymeric base material, the composite tube having an internal diameter of from about 0.1 to about 2.0 millimeters and being of sufficient length to permit an organic contaminant contained within an aqueous medium passed therethrough to adhere to the composite tube is disclosed.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM
• DOE Contract Number: W-7405-ENG-36
• Assignee: Regents of University of California (Oakland, CA)
• Patent Number(s): US 5403477
• OSTI ID: 869814
• Country of Publication: United States
• Language: English

Related Subjects

/210/
adfixed
adhere
adhered
adhered organic
allotrope
amount
analysis
apparatus
apparatus including
aqueous
aqueous medium
base
base mat
base material
capable
carbon
carbon allotrope
composite
composite tube
concentration
contained
containment
contaminant
contaminant contained
diameter
disclosed
extraction
extraction apparatus
including
initial
initial aqueous
inner
inner wall
internal
internal diameter
length
material
material selected
medium
medium including
medium passed
millimeters
minor
minor amount
organic
organic contaminant
particles
passed
passed therethrough
passing
permit
polyfluorocarbons
polymeric
polyolefins
preparation
preparation prior
prior
process
sample
sample preparation
selected
separating
separator
solvent
solvent capable
sufficient
sufficient length
therethrough
tube
tube including
wall