Infra-red spectrophotometric apparatus

Details Infra-red spectrophotometric apparatus Infra-red spectrophotometric apparatus

G - Physics

01

N

73/55

G01N 21/35 (2006.01) G01N 33/04 (2006.01) G01N 21/03 (2006.01) G01N 21/31 (2006.01)

Patent

CA 1267546

ABSTRACT A spectrophotometric analyzing apparatus comprises an infra-red source and detector therefor, optical means for focussing a beam onto a sample cell, chopper means for periodically obscuring the beam, and filter means for selecting one or more wavelengths from the beam. The sample under test is an aqueous emulsion and the filters are chosen to deteroine the concentration of the non-aqueous components of the emulsion by measuring the water displaced by the components.

595982

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