Primesep B separates quaternary amines, such as t-butylamine with symmetrical peak shape by a combination of reversed-phase and ion-exclusion mechanisms. The embedded basic functional group on the stationary phase shields the underlying silanols to prevent peak tailing. Excellent peak shape results with a mass spec compatible mobile phase of water, acetonitrile (MeCN, ACN) and trifluoracetic acid (TFA) with evaporative light scattering detection (ELSD).
Primesep B, 4.6x150 mm, 5 µm, 100A
Class of Compounds
Ions, Hydrophilic, Ionizable, Quaternary amines
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