Semi-Permeable Membrane Device (SPMD)
What are SPMDs?
See image above – left hand side canister
- SPMDs sequester primarily hydrophobic/lipophilic type substances. Substances with a log Kow> 4
- Comprises a low density polythene tube with a pore size of typically < 10 È¦ encasing the sequestering media, the neutral lipid Triolein
- SPMDs sequester bio-available pollutant in a similar way to aquatic species. In some papers it has been described as a virtual fish
- SPMDs appear frequently in published literature and is a widely accepted technique for the passive sampling of lipophilic substances in both water and air
List of compounds identified by SPMDs
Diazinon, Lambda Cyhalothrin, Trifluralin, Lindane, Diazinon, Atrazine, Î±-Benzenehexachloride (Î±-BHC), Dacthal, trans-Nonachlor, Heptachlor Epoxide, Endosulfan, trans-Chlordane, Oxychlordane, Chlorpyrifos, cis-Chlordane, Tefluthrin, Metolachlor, Hexachlorobenzene (HCB), o,p’-DDE, Pentachloroanisole (PCA), Heptachlor, Î´- Benzenehexachloride (Î´-BHC), Î²-Benzenehexachloride (Î²-BHC), Acetochlor, Alochlor, cis-Nonachlor, Cis-Permethrin, Dieldrin, Endosulfan Sulphate, Endosulfan-II, Endrin, Mirex, o,p’-DDD, o,p’-DDT, p,p’-DDD, p,p’-DDE, Trans-Permethrin, p,p’-DDT, p,p’-Methoxychlor, Cypermethrin
Acenaphthene, Acenaphthylene, Allethrin, Anthracene, Benz[a]anthracene, Benzo[a]pyrene, Benzo[b]fluoranthene, Benzo[g,h,i]perylene, Benzo[k]fluoranthene, Chrysene, Dibenz[a,h]anthracene, Fenvalerate, Fluoranthene, Fluorene, Indeno[1,2,3-cd]pyrene, Naphthalene, Phenanthrene, Pyren, Alkylated PAHs
To discuss your specific Passive Sampling analytical needs and for method details, including reporting limits and accreditation, please contact our Customer Service team.