SPE columns, CHROMABOND HR-XAW, 85 µm, 3 mL/60 mg [80800][MICROLAB] 000 ppm single element solutions

000 ppm single element solutions as the Zr(F)6-2 chemically stable for years in 2-5% HNO3 / trace HF in an LDPE container

Calcium - yellow → red

CGAL1-125ML

Cobalt - white → blue

9-Ethylphenanthrene

SPE columns, CHROMABOND HR-XAW, 85 µm, 3 mL/60 mg [80800][MICROLAB] 000 ppm single element solutionsState 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