Solvent for the extraction of oil fraction in water

Details Solvent for the extraction of oil fraction in water Solvent for the extraction of oil fraction in water

1977-11-29

1979-08-14

Willis, Davis L.

Radiant energy

Methods of determining oil presence, contamination or...

250304, 250343, G01T 1167

Patent

active

041646533

ABSTRACT:
The present invention relates to a solvent primarily composed of a low polymer of chlorotrifluoroethylene for the extraction of an oil fraction in water and measuring the concentration of the oil fraction in water by solvent extraction in the infrared absorption method. The low polymers of chlorotrifluoroethylene contemplated as a solvent herein may be a single polymer or a mixture of polymers of different degrees of polymerization as shown in the following formulae: ##STR1## WHEREIN BOTH ATOMS REPRESENTED BY X in the first chemical formula are the same or different from each other and X is a chlorine or fluorine atom, and n is 2 or 3.

REFERENCES:
patent: 4045671 (1977-08-01), Dille et al.

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