Brief Introduction of the 1L rotary evaporator RE-52C rotary evaporator is mainly used in the concentration, crystallization, drying, separation and solvent recovery of pharmaceutical, chemical and biological pharmaceutical industries. Its principle is: under vacuum condition, constant temperature heating makes the rotary bottle rotate at constant speed, and the material forms large area film on the bottle wall, so it can be evaporated efficiently. The solvent evaporation is cooled by the high-efficiency glass condenser and recovered in the collecting bottle, so as to greatly improve the evaporation efficiency. The utility model is especially suitable for concentrating and purifying biological articles with high temperature and easy decomposition and degeneration. 1L rotary evaporator is an indispensable instrument for evaporation, concentration, crystallization, drying, separation and solvent recovery in the research and production of medicine, chemical and biological products. The rotary evaporator is developed under the condition of vacuum and negative pressure, using the principle of constant temperature heating and thin film evaporation. Rotary evaporator with stepless rotation of the glass bottle rotating at a constant speed, the material is formed large area uniform film on the bottle wall, then the intelligent thermostatic water bath for rotating the bottle uniformly heated at high speed under the condition of vacuum evaporation, solvent vapor by high performance glass condenser cooling, recycling in collecting bottle. Rotary evaporator is working under vacuum, and all material contact part adopts the high temperature resistant borosilicate glass and Teflon material, concentrated especially suitable for biological products of high temperature easy decomposition degeneration and purification. The factory set rotary evaporator essence of similar products at home and abroad, in successful practice, has formed 1L,2L, 5L, 10L, 20L, 30L,50L, 100L series, efficient and practical, follow the economic principles of product design, all for the sake of users. Main Features of the RE-52C rotary evaporator 1, the main stent adopts antiseptic spraying + aluminum alloy. The structure is reasonable and the materials are exquisite. 2, the sealing system adopts PTFE and imported fluorine rubber combination seal, can maintain high vacuum. 3, all glass parts using high borosilicate glass (GG-17), high temperature, corrosion protection.