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.