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Thread: Passive Soil-gas samplers (PSG samplers) activated carbon

  1. #1 Passive Soil-gas samplers (PSG samplers) activated carbon 
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    Jun 2017

    The Passive Soil-gas samplers (PSG samplers) are used to determine the concentration of VOC's (Volatil Organic Compounds) and SVOC 's (Semi Volatil Organic Compounds) in the vadose zone. This samplers use activated carbon to adsorb the vapour phase. Does somebody knows any information about the type of activated carbon that is used in this type of samplers? ( some properties our studies). Has anyone done the analysis of this ?

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  3. #2  
    Bullshit Intolerant PhDemon's Avatar
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    Feb 2013
    Newcastle-upon-Tyne, UK
    I'm not familiar with this particular application, but activated carbon is produced so that it has lots of small, low volume pores to increase its surface area. It can also be chemically treated to increase its ability to absorb gases. The gases can then be removed from the charcoal by heating before analysis.

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