SIELC Technologies invents, develops, and manufactures new revolutionary types of stationary phases for liquid chromatography. These phases, marketed under the Primesep Promix and Obelisc brands, offer unprecedented selectivity in separation of a broad array of chemical compounds and in multiple applications. SIELC offers a wide range of HPLC columns with id`s from 1 mm to 22 mm. and corresponding guard columns with all types of stationary phases. In addition to offering method development for customers, SIELC also offers custom LC-phase manufacturing tailored for specific separations.