NEW NON INVASIVE OXYGEN MEASUREMENT SYSTEM FOR SEA

NEW NON-INVASIVE OXYGEN MEASUREMENT SYSTEM FOR SEALED PACKAGES AND BOTTLES FROM WITT GAS Witt Gas Techniques Ltd, the Warrington based gas safety, control, mixing and analysis equipment supplier has announced the launch of LabOx, a brand new non-invasive O2 measurement analyser for use with Modified Atmosphere Packaging (MAP) in the food processing and packaging industries including fresh food, wine, beverage and pharmaceutical packaging. LabOx is designed to measure the oxygen concentration in sealed packages including blister packs using multiple checks over a period of time with the added ability of being able to measure oxygen in headspace and dissolved liquids. It measures oxygen levels using oxygen quenching of a fluorescent dye in transparent, translucent and semi-transparent packages, bottles or containers as long as the material can transmit light in the 470nm and 610nm range. This system can be used in R&D and Quality Control departments, for oxygen permeation, shelf life, oxidation and oxygen scavenger studies as well as Modified Atmosphere Packaging (MAP) integrity. It allows packaging companies to monitor every package as it comes of the production line and as it passes through the distribution chain without the need to continually extract samples, open or destroy bottles or sealed closures reducing operating costs and expensive returns. The measurement procedure is based on fluorescent quenching of a fluorescent dye immobilised in a polymer in the form of an OxyDot™ placed inside the bottle or package. The dye absorbs light in the blue region of the spectrum and fluoresces with the red region of the spectrum allowing fast (≤0.1 seconds) multiple measurements on the same package. It can detect up to 15 parts per billion in water or 0.03% by volume in gas. Advantages of using this system include the ability to withstand pasteurisation being sterilisation tested up to 150°C (1sp/hr); it can be used in oil, water, gas and air, is independent of pH (2-12) and salt concentration and cannot be affected by other gases. Other features include automatic data logging, integrated temperature compensation and operator friendly.

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