Characteristiccomparedwithotherevaporator:Theevaporationcapacityofarotaryevaporatorisgreaterthanthatofaconventional,staticdistillationapparatus.Heattran***issionintheheatingbathaswellasinsidetheflaskisgreatlyimprovedbyrotationoftheevaporatingflask.Rotationgreatlyenlargestheactivesurfaceinsidetheflask,hasteningtheevaporation.Withtheliquidremainingatanyonepointoftheflaskwallforashorttimeonly,itissubjecttominimumstressduringthedistillation(nooverheating,noincrustation).Bumpingandfoamingaregreatlyreducedbytherotation.Rotaryevaporatorsareusedfor:1.Distillationofsolvent2.Concentrationofsoluti***andsuspensi***3.Crystallizationorrecrystallization4.Synthesisandpurifyingoffinechemicals5.Soxhletextraction6.Powderandgranulesdrying7.Recyclingofsolvent)