Tube à double couche Florisil / Na2SO4 SPE, matériel en verre, frit en PTFE, lit B 2 g (Na2SO4), lit a 2 g (Florisil), volume 6 mL, lot de 48

Code: 52582-u D2-231

Non disponible en dehors du Royaume-Uni et de l'Irlande

General description

Retention Mechanism: Normal-phase or adsorptionSample Matrix Compatibility: Organic solutions Dual layer SPE tube that c...


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Non disponible en dehors du Royaume-Uni et de l'Irlande

General description

Retention Mechanism: Normal-phase or adsorptionSample Matrix Compatibility: Organic solutions Dual layer SPE tube that contains Na2SO4 (upper layer) and Florisil (magnesium silicate; lower layer) separated and packed with PTFE frits (glass tubes) or PE frits (PP tubes) Florisil particle size- 60/100 mesh (150-200µm); Na2SO4 Purity- 99.99+%, density- 2.68 g/mL Excellent for removing/isolating polar compounds from organic matrices Na2SO4 layer aids in removing aqueous sample residues that may hinder Florisil performance and/or subsequent GC analysis Available in glass SPE hardware allowing users to reactivate Florisil through heating at 140°C, 16 hours Use in conjunction with Visiprep Large Volume Sampler (Cat No. 57275) and Visiprep SPE Vacuum Manifolds for processing larger volume samples

Legal Information

Supelclean is a trademark of Sigma-Aldrich Co. LLC

Florisil is a registered trademark of U.S. Silica Company

agencyEN ISO 9377-2
application(s)food and beverages
compositionbed A, 2 g (Florisil®), bed B, 2 g (Na2SO4)
materialglass hardware, PTFE frit
matrix active groupflorisil phase, sodium sulfate phase
packagingpk of 48
product lineSupelclean™
Quality Level100
separation techniquenormal phase
technique(s)solid phase extraction (SPE): suitable
volume6 mL
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