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Analyse & Performance

Wissenschaftliche Publikation

Novel optochemical methos for the non destructive determination of oxygen in encapsulated beer bottles

Publikation aus Materials

Konrad Christian, Zanker Gerald, Bizzarri Alessandro, Dolezal Constanze, Ribitsch Volker

Proceedings of the 30th EBC Congress. Prague. , 5/2005


A non destructive optochemical method for the determination of oxygen in factory filled beer ampoules is presented. The method requires that an oxygen sensitive membrane is inserted on the inner surface of the bottleneck of a beer bottle, before this is filled and closed. The sensitive membrane emits an oxygen dependent luminescence signal, which can be measured from outside by means of an opto-electronic read-out module. In this way it is possible to monitor the oxygen content in the bottle headspace over time. Consequently this method allows to determine the oxygen diffusion through the crown caps, and to investigate the oxygen consumption due to scavengers and to beer itself. Furthermore this technique offers a promising method for process control in the brewery industry.

Keywords: Oxygen Sensor beer non destructive non invasive

Zusätzliche Informationen: Sensor Technology