SPE columns, CHROMABOND HR-XAW, 85 µm, 1 mL/100 mg Method - Total hardness - EDTA 0003 µg/mL 1 ion Ir

0003 µg/mL 1 ion Ir ICP-MS 111 amu 11 ppt n/a M+ 95Mo16O *ICP-OES D

Chlorobenzene

Analytical purity - high / easy to medium hard to penetrate / low resealability

8'-Apo-8-β-caroten-8'-al

SPE columns, CHROMABOND HR-XAW, 85 µm, 1 mL/100 mg Method - Total hardness - EDTA 0003 µg/mL 1 ion IrState 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