Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1976-12-10
1978-07-25
Borchelt, Archie R.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250301, G01N 2134
Patent
active
041031628
ABSTRACT:
The present invention relates to an apparatus for continuously measuring the concentration of oil in a water sample by the infra-red absorption method. The apparatus comprises a supplying device which supplies an oil-containing water sample and a supplying device which supplies a solvent for extracting the oil in the sample, each of said water sample and solvent being supplied in a controlled and continuous amount, an extractor connected to said supplying device having an agitator therein, which extractor receives said oil-containing water sample and solvent and serves to extract the oil component in the water sample with the solvent.
REFERENCES:
patent: 2765409 (1956-10-01), Hutchins et al.
patent: 2883343 (1959-04-01), Favre et al.
patent: 3462596 (1969-08-01), Saunders
patent: 3917945 (1975-11-01), Sema et al.
Iwamoto Michinori
Nomura Toshiyuki
Borchelt Archie R.
Horiba Ltd.
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