SPE columns, CHROMABOND HR-XAW, 45 µm, 3 mL/200 mg 455624D Valve Model Description Microlab 600

Valve Model Description Microlab 600 Universal Valve Left Fluid Path PTFE/CTFE Nominal Port Diameter 0

Elution volume

2-n-Propylpyrazine

Loperamide hydrochloride

SPE columns, CHROMABOND HR-XAW, 45 µm, 3 mL/200 mg 455624D Valve Model Description Microlab 600State of the art spherical polymer for highest demands in solid phase extraction. PS DVB copolymer with secondary and tertiary ammonium modification for mixed mode SPE with weak anion exchange and reversed phase properties (WAX). Exchange capacity > 0. 5 meq g, pKa ~ 6 and RP capacity 350 mg g (caffeine in water). High purity material with ideal flow properties and highest reproducibility. Allows highest reproducibility with extremely low blind values