Membrane Extractor

In general, the method of analyzing volatile organic compounds contained in water is Purge & Is to use a trap or a headspace. However, all of these methods are suitable off-line, and the user moves the water sample from the field to the laboratory, conducts a certain treatment in a designated tube or vial, and then analyzes it.
Recently, a sample analysis method by SPME has been developed, but this is also a method that can be operated in a laboratory.
What these analysis methods have in common is that they are difficult to apply in the field, so continuous observation is not possible. And there are still concerns about loss of sample components on the go.
The membrane extractor developed by KNR enables continuous analysis because it extracts VOC components while continuously flowing water samples.
In particular, since the hydrophobic membrane is used, the effect of moisture can be excluded, and stable analysis data can be calculated.

* Depending on users and analysis items, purge or headspace modules can be installed and used.