SPE columns, CHROMABOND HR-XA, 45 µm, 3 mL/200 mg [AACD1-125ML][JMPRICES] Oxides (soluble in HCl and

Oxides (soluble in HCl and tartaric acid or H2O / HF / HNO3 mixtures)

Suberic acid

20-500-MEx2

CGSN10-30ML

SPE columns, CHROMABOND HR-XA, 45 µm, 3 mL/200 mg [AACD1-125ML][JMPRICES] Oxides (soluble in HCl andState of the art spherical polymer for highest demands in solid phase extraction. PS DVB copolymer with quaternary ammonium modification for mixed mode SPE with strong anion exchange and reversed phase properties (MAX). Exchange capacity 0. 25 meq g, pKa ~ 18 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 due to an