Synthesize two chemicals

[Chas King]

I would like to form an ionic solution to electrpolish aluminium alloy from anhydrous aluminium chloride and trimethylamine chloride. The instruction that I am following says, "The liquid was formed by slowly mixing the AlCl3 AR and the TMHC. It was formed in 2h under the protection of a nitrogen atmosphere at 30 degrees C". 

I am a metallurgist with virtually no inorganic experience. Can anyone tell me what is required?

Many thanks.

[Sensei]

You might need to use "dropping funnel". It is allowing to very precisely control speed of mixing reagents. Drop by drop for 2 hours.

https://en.wikipedia.org/wiki/Dropping_funnel

If compounds are dangerous, or there is need to precisely control stirring, you might need "magnetic stirrer".

https://en.wikipedia.org/wiki/Magnetic_stirrer

Plastic-coated bar with built-in magnet is placed in the container with liquid, which is placed on top of magnetic stirrer (it has electromagnets).

Magnetic stirrer can have built-in hot plate to (optionally) heat liquid that's stirred.

 

Edited December 8, 2018 by Sensei

[John Cuthber]

14 hours ago, Sensei said:

You might need to use "dropping funnel". It is allowing to very precisely control speed of mixing reagents. Drop by drop for 2 hours.

Or you might not. It's a pity that Sensei didn't think it through.

Dropping funnels aren't much use for solids like trimethylammonium hydrochloride or aluminium chloride.

There are, of course, funnels for adding solids in a comparable way.
https://www.sigmaaldrich.com/catalog/product/aldrich/z212644?lang=en&region=GB
But that doesn't really solve the problem, because after you make the stuff, you still need to do something with it.

If you really need the material to be anhydrous then there's no practical way round using a glove box.

https://en.wikipedia.org/wiki/Glovebox

If small amounts ow water (from the air) don't matter then it might be as simple as weighing the materials + mixing them in a beaker.