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Rotary Evaporator Shiva Scientific Glass Pvt. Ltd., absorbs the domestic and foreign advanced technology, and actively develops new products. We will continue to provide high quality products and good services in the future for scientific research institutes, universities and the pharmaceutical inspection, chemical industry, metallurgy, petroleum, biochemical, food processing priority project sincerely. Our company keeps credit, and emphasis on contract. We will provide excellent performance products and perfect after-sale service wholeheartedly for the pharmaceutical industry, chemical industry, food, as well as the colleges and universities laboratory service and so on. ROTARY VACUUM EVAPORATOR Industrial Model (10, 20, 50 & 100 Ltr.)

WORKING PRINCIPLE OF ROTARY EVAPORATOR Rotary Evaporator is essentially a thin film evaporator also called rotary vacuum evaporator. A rotary evaporator is a device used in Chemical Laboratories for efficient and gentle removal of solvents from samples by evaporation. The main components of a rotary evaporator are: The motor unit which rotates the evaporation flask containing sample material. A vapour duct which acts as an axis for sample rotation, and a vacuum tight conduit for the vapour being drawn off of the sample. A vacuum system (not integral part of the equipment) to substantially reduce the pressure within the evaporator system. A heated fluid (water / thermic fluid) bath to heat the sample being evaporated. A condenser with double coil through which the coolant passes. A condensate collecting flask at t he bottom of the condenser, to collect the distilling solvent after it recondenses. A mechanical or motorized mechanism to quickly lift the evaporation flask from the heating bath or lower the heating bath so that the evaporation flask does not remain in c ontact with bath. The vacuum evaporators as a class function because lowering the pressure lowers the Boiling Points of component liquids in it. Generally, the component liquids of interest in applications of rotary evaporation are solvents that one desire s to remove from a sample after an extraction, for instance, following a natural product isolation or a step in an org anic synthesis. Use of a Rotary Evaporator, therefore allows liquid solvents to be removed without excessive heating of what are often com plex and sensitive solvent – solute combinations. ADVANTAGES The centrifugal force and the frictional force between the wall of the rotating flask and the liquid sample result in the formation of a thin of warm solvent being spread over a large surface. The forces created by the rotation suppress violently, un – predicted boiling/bumping. Allows quick and gentle evaporation of solvents from most samples. Low temperature and vacuum control also help in kerbing bumping/foaming during evaporation process.

ROTARY VACUUM EVAPORATOR Lab Model (1, 2, 3 & 5 Ltr.) Consist of an evaporation flask rotated by a non -sparkling induction motor in a heating water bath. Vacuum distillation of solvent at high and low temperature is achieved quickly and efficient by use of speed controller. It prevents foaming a vacuum and bumping of the liquid. Other aplication include vacuum drying of powders and slides.Low temperature vacuum distillation of of heat sensitive compounds. The introduction permits contin uous feed of the liquids into evaporating flask and also distillation under controller atmosphere. The evaporating flask, pear shaped to give a larg er surface area for evaporation, is clamped to a glass duct which goes through the drive unit and protrdes 120 mm into the condenser. The condenser is screwed into the drive unit and contains a teflon inlet feed tube at its upper end. Condenser is fitted with standard B -10 joint at top and spherical joint a S -35 at the bottom for receiver flasks. Drive unit with FHP motor, Speed Regulator, Heav y C I stand with stee rod. Evaporation flask 1 ltr. (appx.) with standard B -29 joint. Glass duct all glass connector cone with B -29, connected evaporating flask and protrides in the condenser. W ith clip to hold the evaporating flask with duct. Co denser double coil condenser for water circulation, fitted with vacuum connection and standard S-35 ball joint for receiving flask with condenser. Receiving flask 1 liter capacity with standard S -35 ball joint. Ball joint clamp to hold the receiving flask with condenser. High vacuum cock two way stop for the feeding tube and vacuum release. W ater bath theermostat controlled controlled lifting jack capacity 1 liter. Electric supply work on 220/230 Volts, 50/60 HZ AC.

WORKING PRINCIPLE OF ROTARY EVAPORATOR Rotary Evaporator is essentially a thin film evaporator also called rotary vacuum evaporator. A rotary evaporator is a device used in Chemical Laboratories for efficient and gentle removal of solvents from samples by evaporation. The main components of a rotary evaporator are:

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