zzkd высокоточная экстракционная установка роторный вакуумный испаритель объемом 20 литров лабораторное и промышленное оборудование вакуумно

zzkd 2l mini rotary evaporator rotary evaporators are distillation units that incorporate an efficient condenser with a rotary flask system. as the flask containing the solvent is rotated it continually transfers a thin layer of liquid over the entire inner surface. this gives a very large surface area for evaporation that is effected by heating from the accessory water or oil bath.