Hawach Scientific sorts HPLC out of two series which are Xchroma and Echroma. Xchroma columns possess many and complete types of stationary phase(23 in total) with reliable qualities, while another one is cheaper among lower prices.
Essential Technical Parameters
Naming Rule It consists of the item number, description, and package(pcs/pk). For instance, SLHC18A32310 stands for C18 Aqueous HCLP column from Hawach with the particle size of 3um, the inner diameter of 2.1mm and column length of 130mm.
About Guard Columns Since HPLC columns can be broken by congestion, some labs especially install a guard column before HPLC to protect it and expand the usage span.