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AOT Premix 28mL for 1140 Microseparometer

Product Code: 142 90 5955
ID: Emcee 1140

AOT premix

This product is a solution of approximately 28mL of toluene and AOT surfactant and has been generated using the method specified in ASTM D3948.
It is the final stage solution for direct injection into the Microseparometer 1140 test.
Each bottle is supplied with a Safety Data Sheet and is issued with a batch number and decanting date on the bottle.
Med-Lab suggests validity of this product for 24 months from the date of decanting indicated on the label.
Med-Lab guarantees a validity of at least 12 months from date of supply.

Med-Lab suggests using within 12 months of opening.



This product can ONLY be supplied to END USERS in UK and EU countries due to having a Precursor classification

For people wanting to produce their own solution, the process is described in the ASTM D3948 method.   The final solution used for testing contains 2 Liters of reagent grade toluene with 0.2 grammes of 100% dry Aerosol OT.


Chemical Calibration Method

AOT Certificate

AOT Datasheet

AOT Troubleshooting Guide     

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