the Aijiren II Binary LC With an operating pressure of up to 600 bar, the II Binary Pump is compatible with HPLC and UHPLC, i.e. handling 2.1, 3, and 4.6 mm ID columns over the flow rate range (up to 5 mL/min). Gradient formation is Solid-Phase Extraction with Oasisfi HLB Sorbent - Waters Triazine Herbicides and