Supelco - Supelclean SAX/PSA SPE Tubes

Dual layer SPE tube that contains both Supelclean SAX (upper layer) and PSA (lower layer) SPE sorbents (separated by PE frit)

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Retention Mechanism: Normal-phase and anion-exchange
Sample Matrix Compatibility: Organic or aqueous solutions

Supelclean SAX is a quarternary amine, Cl^- counter-ion.
Supelclean PSA an ethylenediamine-N-propyl phas that contains both primary and secondary amines.
Ideal for removing matrix components (fatty acids, organic acids, polar pigments, and some sugars) when conducting multi-residue pesticide analysis in foods
In compliance with the Luke II method which uses SPE to remove matrix interference and enhancement of pesticides from food for GC-ITMS analysis

Retention Mechanism: Normal-phase and anion-exchan...