Properties:
RelatedCategories | Analytical/Chromatography,SamplePreparation&Purification,SolidPhaseExtraction(SPE),SupelcleanUltraSPE |
composition | bedA,270 mg(Supelclean™PSA,Discovery®C18,andSphericalCarbon) |
bedB,225 mg(Z-Sep) | |
packaging | pkgof54 |
volume | 3 mL |
Description:
Generaldescription
Thismulti-bedsolidphaseextraction(SPE)cartridgewasdesignedforthecleanupofextractsofdifficultmatricessuchasdrycommodities(tea,spices,coffee,etc.)priortopesticideresidueanalysis,typicallyperformedbyGC/MSMSandLC/MS/MS.Thesetypesofsamplescancontainpigmentsandoils,andmaynotbesufficientlycleanedusingastandardQuEChERScleanup.
ThetopbedconsistsofamixtureofPSA/C18andagraphitized,sphericalcarbon.PSAremovesacidicinterferences,C18retainssomehydrophobicinterferences,andcarbonremovespigments.Thevarietyofcarbonusedinthiscartridgewasengineeredtoremovesufficientpigmentationwhileallowingforbetterrecoveriesofcompoundswithplanarstructures.ThebottombedofthecartridgecontainsZ-Sep,whichisazirconia-coatedsilica.Z-Sepremovesoilyresidues,andprovidesadditionalpigmentremoval.
ThecartridgecanbeusedforcleanupofacetonitrileextractstobeanalyzedbyeitherGCorHPLC.
LegalInformation
SupelcleanisatrademarkofSigma-AldrichCo.LLC