SPE-tD cartridge for extraction of organic compounds from liquid matrices

Markes SPE-tD cartridges are poly-dimethyl siloxane (PDMS) coated for solid phase extraction of less volatile compounds in aqueous samples – solutions and emulsions.  Clean cartridges are simply placed into the liquid sample, held at a controlled temperature and agitated.  Volatile and semi-volatile organics partition between the PDMS coating and the liquid sample.  The cartridges are subsequently rinsed with distilled water, dried and analysed by thermal desorption.

SPE-tD provides a convenient alternative to conventional extraction and distillation methods for less volatile organic compounds in aqueous samples. The technique provides complementary information to headspace or purge-and-trap analysis of volatile components in the same liquid sample. 

For part numbers and pricing please contact your local Markes distributor or visit our on-line shop. 

Relevant technical support publications from Markes International can be automatically downloaded from this web site (registration required). Examples include:

• TDTS 60 - The complementary role of thermal desorption alongside other sample preparation / introduction technologies for GC
  

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