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03-18-1988 (31 years old)
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Vacuum distillation is a distillation method in which the pressure above the liquid to be separated is less than the vapor pressure.This method is suitable for liquids with a vapor pressure greater than the ambient pressure.Vacuum distillation does not necessarily require heating due to a decrease in the boiling point of the liquid to be separated.
Use of the device
1.When installing the vacuum distillation instrument,you must choose a rubber stopper of the appropriate size,preferably a grinding vacuum distillation device.
2.Distillate contains a large amount of low-boiling substances,which must be distilled under normal pressure to distill most of the anti-mesh,and then distilled under reduced pressure with a water pump to remove low-boiling substances.
3.Stop heating,recover low-boiling substances,check the connection of various parts of the instrument to make it close.
4.Start the oil pump,then slowly close the safety valve,and observe whether the pressure on the pressure gauge reaches the requirements.If the requirements are not met,the safety valve can be used for adjustment.
5.When the pressure reaches a constant level,start heating the distillation bottle.When rectifying the monomer,a small amount of zeolite should be added to the distillation flask (usually an oil bath is used,which is difficult to volatilize high-boiling substances in the later stage.~50 ° C).
6.At the end of the distillation,remove the heat source first,wait a little colder,and then gradually open the safety piston.When the balance of the mercury column in the pressure gauge drops,stop pumping.After the pressure is balanced inside and outside the system,remove the instrument and clean it.
1.Easy to installation
2.Smooth operating with no noise
3.Strict quality management system
4.Superior equipment
5.Professional services
6.OEM/ODM services
7.High quality products
1) Variety types for selection
2) Competitive price
3) Prompt deliveryChina Distillation Apparatus
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