Magnetic Stirrer

By: Pharma Tips | Views: 8825 | Date: 27-Aug-2011

A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (also called "flea") immersed in a liquid to spin very quickly, thus stirring it. The rotating field may be created either by a rotating magnet or a set of stationary electromagnets, placed beneath the vessel with the liquid. Magnetic stirrers often include a hot plate or some other means for heating the liquid.



To ensure that Magnetic Stirrer with hot plate performs satisfactorily.


This sop covers the operation procedure for Magnetic stirrer with hot plate and this is applicable to Quality control department..


Quality Control officer/ Executive.


Department Head.



5.1.1 Ensure that the power supply to the instrument is switched OFF before cleaning.

5.1.2 De dust the instrument with a clean dry cloth every day.

5.1.3 Once in a week remove adhered dust by wet mopping using detergent solution. Afterwards wipe the surface with a clean dry cloth to
        remove traces of detergent.


5.2.1 Ensure that the instrument is connected to the power supply.

5.2.2 Place the beaker containing the solution to be stirred in the center of the top plate and immerse the Teflon paddle into the solution.

5.2.3 Switch on the instrument, the pilot lamp gets illuminated.

5.2.4 The revolution of the stirring paddle is increased to the required stirring speed by means of speed regulator.

5.2.5 After stirring is over slowly decrease the speed of stirring paddle to zero.

5.2.6 For heater, Set the temperature by rotating the temperature setting knob to the required. This heater Knob is applicable wherever it is

5.2.7 Report any discrepancy observed during operating the instrument to Department Head and notify the defect to Technical / Service
         engineer to rectify the defect. Affix “BREAK DOWN” label on the instrument till it get rectified.


First time issue.

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15  + 8 =     
Gopal Mittal  |  14-Jun-2016 17:40:44 IST
Dear Sir,
We are 35 Years old Pharmaceutical Manufacturing Company based at Kota, Rajasthan.
We require 01 no. Magnetic Stirrer
You are requested to kindly quote your best rates and send the literature/Catalogue for the same.

Gopal Mittal
Aldoc Pharmaceuticals
B-17, Indraprastha Industrial Area,
Road No. - 2,
Kota - 324005 (Raj.)
Mobile: 9314664642
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