Method and apparatus for selectively detecting one of two immisc

Details Method and apparatus for selectively detecting one of two immisc Method and apparatus for selectively detecting one of two immisc

1988-06-24

1990-02-06

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

73 73, H01J 516

Patent

active

048990477

ABSTRACT:
Oil is detected in the presence of water by placing a translucent, porous body of hydrophobic material in contact with the oil and water and detecting the amount by which light incident on the body is attenuated on propagation through the body.

REFERENCES:
patent: 3867837 (1975-02-01), Malin
patent: 4221962 (1980-09-01), Black et al.
patent: 4634856 (1987-01-01), Kirkham
patent: 4655076 (1987-04-01), Weihe et al.

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