CNW Athena columns base on high-purity silica gel, using unique bonding technique, with excellent peak shape, better selectivity, sensitivity and reproducibility. With low content of matrix metal, the columns show perfect peak shape for all types of analytes. Different types of bonded phases provide more flexibilityfor method development. To ensure excellent column performance and long column life, we comply with strict production process in manufacturing and have a strict quality control for CNW HPLC columns.