20L Short Path Distillation Apparatus

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  20L Short Path Distillation Apparatus

Short-path distillation is a short-path distillation technique.It is a method of separating mixtures based on differences in boiling points in liquid mixtures under negative pressure.When the sample mixture to be purified is heated, the vapor volatilization rises into the vertical condenser and is then cooled by the refrigerant.This technique is mainly used for unstable compounds at high temperature and compounds with high boiling point that are difficult to distill.

  How to use a short path distillation kit

  1. Install the sample injector(tighten it clockwise), the first, second, and third stage receiving flasks, and switch on the cooling water circulation button.
  2. Start the rotor of the film scraper, and adjust it to the designated rotating speed(no more than 400r/min).
  3. Start the vacuum pump after the liquid nitrogen reaches the required level(no less than the half of the condensation column volume).
  4. Adjust the fine tuning valve of the vacuum pump(no lower than 0.5mbar) when the pressure no longer drops.
  5. Rotate the sample injector counterclockwise to adjust the injection speed after the pressure is proper.
  6. The liquid can be added at any time through the sample injector during the operation.
  7. Stop the vacuum pump and adjust back the fine tuning valve when the liquid volume in the injector is about 50ml and no other sample adds. Leave the device in the standby mode when the pressure is 100mbar. After the pressure is relieved, switch off the heater, take off the sample injector, pour out the remaining liquid and change to anhydrous ethanol.
  8. Replace the first and second receiving flask with empty ones, turn on the sample injector and slowly inject anhydrous ethanol. Clean the device by utilizing the remaining heat.
  9. Shut off the cooling water and the rotor after cleaning. The sample injector and the receiving flask should be taken off and cleaned separately.
  10. Turn off the power and clean the work surface.
20L Short Path Distillation Apparatus
20L Short Path Distillation Apparatus

  Main Characteristics

1. High quality 3.3 borosilicate glass, PTFE screw thermometer connector.

2. Short condensation distance, less residue after distillation .

3. Heating mantle with magnetic stirring function.

4. Cold trap protects the vacuum system from steam pollution and damage .

5. Turnkey solution is provided which includes the glassware , magnetic stirring heating mantel ,cold trap ,chiller and other accessories.

  20L-I Short path distillation part

Accessories NameSpecificationNumberUnit
12-neck Round Bottom Flask10L,34/45*2,24/401piece
2Distiller34/45,24/40,14/202piece
3Fractionating device500ml,24/402piece
4eggplant shaped flask2000ml,24/402piece
5cold trap80*350mm,24/401piece
6cold trap cover70mm1piece
7Receiving Flask2000ml,24/401piece
8Temperature casing pipe14/202piece
9Temperature casing pipe24/401piece
10Hollow plug14/202piece
11Hollow plug24/401piece
12funnel110mm,24/401piece
13Mercury thermometer0-360°C2piece
14GL14 Cover8piece
15mouth clip for Stainless steel bottle34#2piece
16mouth clip for Stainless steel bottle24#4piece
17mouth clip for plastic bottle24#1piece
18silicone tube8*143meter
19Wood pallet1403piece
20Lifting platform (stainless steel)200*2002piece
21iron stand140*2001piece
22Cross clip0-20mm2piece
23Three claw cliplarge3piece
24Experimental chain clip1piece
25Three links (plastic)8mm1piece
26vacuum fat (50g)75011box
Total49
27magnetic stirrer heating mantleZNCL-T1set
Accessoriesmain engine1
Vertical rod2set
Cross clip2piece
External sensor500mm1piece
internal sensor1piece
Tetrafluoro rotors1piece
28rotary vane vacuum pump2XZ-41
29Temperature Control Low-Temperature Coolant Circulation PumpDLSB-10/251

Product Parameters

Short-Path Distillation
ModelSD-2SD-5SD-10SD-20
MaterialG3.3
Heating Capacity(ml)200050001000020000
Heating temperature(℃)Room temperature -250
Accuracy(℃)±1
Vaccuum Degree(Mpa)0.098
Working temperature(℃)5-40
Voltage220V/50Hzor110V/60Hz380V/50Hz
Package Size450*450*600580*580*735850*850*600
Weight182430

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