1. Quaternary Pump with Degasser(1) Flow precision : ≤ 0.075 % RSD or better (2) Flow accuracy : ±1% or 10 µl/min whatever is greater (3) Compressibility compensation : User-selectable, based: on mobile phase compressibility (4) pH range : 1.0 - 12.5 recommended 2. Standard Autosampler (1) Sample capacity : 100 × 2 ml vials in 1 tray, 40 × 2ml vials in 1/2 tray, 15 × 6 ml vials in 1/2 tray, Microvials (100 or 300 µl) with sleeves (2) Injection volume : 0.1-100 µl injection range, up to 1500 µl with multiple-draw (3) Precision : Typically < 0.25% RSD from 5-100 µl, typically < 1% RSD from 1-5 µl 3. Thermostated Column Compartment (1) Temperature range : - 10 degrees below ambient to 80 °C or wider 4. Diode-array detector (1) Detector type 1024-element diode array or wider (2) Light source Deuterium (3) Number of signals 8