Together with Miura Institute of Environmental Science, Alpha Analytical Laboratories in Mansfield,
MA, USA and Quality Testing and Inspection (QTI) in Rotterdam, The Netherlands, we are working on
further optimalisation of automated purification of samples for the analysis of all 209 PCB congeners.
The existing GO-EHT purification methods are capable methods, delivering suitable recoveries for
many PCBs such as NO-, MO- and NDL-PCBs.
From many customers, mainly laboratories working on environmental samples we have been receiving
requests for column sets which were suitable for the purification of all 209 PCB congeners
By modification of the formulation of the alumina column used for concentrating PCBs, recoveries
have substantially been improved, particularly for the high chlorinated ones. Recoveries for all PCB
congeners -even the most challenging ones such as # 209- are over 60% and well within the
requirements of e.g. EPA 1668. A full application note will be available around the summer of 2021.
Food and feed samples as well as environmental samples can now be analysed for dioxins and PCBs
according to EPA 1613 and EPA 1668 methods respectively. GO-EHT systems provides ‘green’
automated sample purification, without DCM, for the analysis of
- Dioxins only
- Dioxins and PCBs
- PCBs only (209 PCB)
- PBDEs, PCNs
The new column sets with improved alumina are available from July 2021.