Properties:
| RelatedCategories | Analytical/Chromatography,PortableFieldSamplers,SamplePreparation&Purification,SolidPhaseMicroextraction(SPME) | 
| packaging | packof2 | 
| df | 100 μm | 
| matrixactivegroup | Polydimethylsiloxane(PDMS)coating | 
Description:
Generaldescription
ConcentrateandStoreAnalytesfromWater;SampleIndoorAir-TheSPMEportablefieldsamplerisanefficientandeconomicalwayofextractingandtransportingvolatileandsemivolatilecompoundsfromfieldsamples.Extractedcompoundsstoragelossesforpesticidesextractedandstoredusingaportablefieldsamplerweresignificantlylowerthanlossesfromstoredwholewatersamples.Thesamplercanbereused50-100times,andisdisposedofwhenthefiberisnolongerusable.
Theportablefieldsampleralsoefficientlydetectsorganiccompoundsinair.Inourstudies,thesamplerallowedustomonitortypicalHPLCandGCsolventsatppblevelsinlaboratoryair.Fourfibersareavailable:apolydimethylsiloxane
(PDMS)/Carboxenfiberfortracelevelsofvolatiles,ageneralpurposePDMSfiber,aPDMS/DVBfiberforsemi-volatilesandlargervolatiles,andaCarbowax/DVBfiberforpolarsemivolatiles.
Fiveslotsintheneedleguide/depthgaugecontrolthedepthofneedleinsertionintoasamplecontainer,orintotheinjectionportduringfiberdesorption.
Assembliescontain24gaugeneedles.23gaugeneedlesandothercoatingsmaybeavailableascustoms.