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seagull 12-18-2009 04:59 PM

Glycerol-water solution

I tried to make Glycerol - water solution (Glycerol 60%-water 40%) but could not get the solution to be homogeneous enough (was not well dissolved at all).

I am not a chemist, so do forgive me if this is too simple, all what I did is to weigh both liquids and mix them together.

Is there a way to get well dissolved Glycerol-water solution?


kmunson779 12-18-2009 05:05 PM

Re: Glycerol-water solution
Just keep mixing -- it'll get there eventually. Glycerol is miscible in water.

Did your protocol say to make a 60% mixture by weight? Usually I make glycerol dilutions by volume. Just curious.

It may help if you add something to help things roil around in there -- like a magnetic stir bar or some clean glass or metal beads (think of nail polish bottles).

seagull 12-18-2009 05:16 PM

Re: Glycerol-water solution
Well, I've chosen 60% mass of glycerol just to get certain viscosity (~10.5 mPa.s) and surface tension (~67mN/m).
I did mix it for like 15 seconds but it didn't seem going to mix up so I give up.
I think I'll put both liquids in a bottle with metal beads and give it a good shake for few minutes hopefully that will make it mix.

If you still have any advice please let me know


laura010 12-22-2009 09:15 AM

Re: Glycerol-water solution
The same question to you,but i think wo can resolve it

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