SIELC HPLC Guard Column Primesep B 2.1x10mm 5 μm 100 Å

Primesep B mixed-mode HPLC phase from SIELC Technologies with embedded basic ion pairing groups (pKs 10). Suitable for direct analysis of plasma, components with high molecular weight are excluded Separates hydrophobic ones and acidic compounds mobile phases are LC-MS compatible.