Pilot) or from the Aijiren ChemStation for LC. Three sample-rack sizes are available for the autosamplers. The standard full-size rack holds 100 × 1.8 ml vials, while the two half-size racks provide space for 40 × 1.8 ml vials and 15 × 6 ml vials respectively. Any two half-size rack trays can be installed in the autosamplers simultaneously.