Method for non-segmented continuous flow analysis based on the interaction of radiation with a solid material situated in a flow-through cell

摘要

One or more components are determined in a sample by bringing said sample, which can be a liquid or a gas, into contact with a medium for adsorbing or taking up the components in question. A light beam is led via an optical cable through the medium containing the adsorbed or taken- up compound sought for, is reflected against a reflector material back through the medium, and the emitted light beam is detected. In enzymatic reactions, inter alia, a membrane can be utilized between sample solution and reagent, said membrane enabling the actual component to diffund through the membrane and react with enzyme, avoiding thereby the measurements to be disturbed by strong coloration and/or a high content of impurities in the sample solution. The membrane thereby serves as a reflector material for the light beam.