gas permeation analyzer Articles

  • Testing the barrier performance of metallized polymer films for permeation of oxygen and water vapour

    General Vacuum in Lancashire, now part of the Bobst Group have been designing and building large industrial vacuum roll coaters for use in optical, electrical and general packaging applications since 1996. Aluminium metallized polymer films can be used in packaging applications where there are a number of requirements including barrier protection (WVTR, OTR etc.).  This type of packaging has ...


    By Systech Instruments Ltd

  • Detection of moisture in ammonia gas

    Problem Statement As technologies advance, so does the request for ultra high purity ammonia. Ultra high purity (UHP) ammonia is used in the semiconductor industries, production of flat panel displays, and a number of other applications. Due to this rising interest in UHP ammonia, manufacturers are having to battle ammonia’s most prominent and damaging impurity--moisture. For ...


    By CIC Photonics, Inc.

  • Food packaging designs tested using Systech Illinois gas analysis equipment - case study

    At the Loughry Campus, Systech Illinois' headspace gas analyzer and oxygen permeation analyzer are used in the testing of food packaging. Located in Cookstown, County Tyrone, Northern Ireland, Loughry Campus offers educational and training programmes in all elements of Food Management. Students have access to a purpose built food technology centre and laboratories where they can develop ...


    By Systech Instruments Ltd

  • The whey to renewable energy

    When Tom Wilson with the Pennsylvania State University Cooperative Extension set out to study the feasibility of a community-based anaerobic digester in Mercer County, he initially analyzed processing manure collected from area dairies and food wastes gathered from the local college, nearby prisons and industrial food processors. But the economics of transporting the materials just did not make ...


    By BioCycle Magazine

  • Sea Water Desalination - Technical Article

    Sea Water Desalination is a specific process involving molecular separation via membrane technology to reduce the dissolved salt and mineral content of sea water to a level suitable for human and animal consumption, commercial/industrial and irrigation uses. This process involves three water streams namely sea water as the intake source, Product / Permeate water of potable drinking water quality ...

  • A comparison of two solid phase extraction methods for the analysis of Polyaromatic Hydrocarbons in butter

    Background Polyaromatic hydrocarbons (PAHs) are ubiquitous in the environment, resulting from both natural and manmade sources of combustion. Farm animals, such as cows, can become exposed to them through both consumption of contaminated feed and water, and inhalation of contaminated atmosphere ...


    By Sigma-Aldrich Co., LLC

  • Analysis of Polychlorinated Biphenyls in Fish Oil Using Supelclean EZ-POP NP, Silica Gel SPE, and an SLB-5ms GC Column

    Polychlorinated biphenyls (PCBs) were once widely used in many industrial and commercial applications such as insulating fluids, dielectrics, and lubricants. This included their extensive use in electrical transformers. PCB use has been banned in many countries, and the Stockholm Convention currently prohibits their production and use ...


    By Sigma-Aldrich Co., LLC

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