Pricinple of r-1001-vn: The equipment for purification distillation test rotates and shapes a thin film in negative pressure condition by heating, evaporates efficiently, and then condenses and recollects solvent to purify and separate. mperature control. 8. The separation of bath and the mainframe makes configure flexible. 9. All glass parts adopt high borosilicate 3.3 to ensure long life service. 10. We manufacture 500ml/ 1l/ 2l/ 5l/ 10l/ 20l/ 50l ( explosion-proof ) rotary evaporators optional. Parameters of r-1001-vn: Model: r-1001-vn; Rotary speed (rpm):10-180; Evaporating speed (ml/min):20; Achievable vacuum (pa):399.9 (below 3mmhg); Temperature range (degree):room temp-100; Temperature display: keypad input digital display; Speed-setting: knob setting, digital display; Safety functions: insurance; Functions of lifting table weight balancing gliding elevating+ manual lifting; Rotary motor (w):25; Heater wattage (kw):1.5; Dimensions¡ê¡§mm¡ê©560l¡¨¢320w¡¨¢660h; Weight¡ê¡§kg¡ê©:9.5.