Vinegar is said to have a freezing point of around -2C (Google).
I supposed the freezing point of an eutectic mixture is defined as the temperature where solids start to appear?
If I keep the mixture just slightly below its freezing point, say -2.5C, I would not expect the whole thing to freeze solid no matter how long right?
It would be just a bit of ice and a very very slightly concentrated vinegar?
My fridge is about -15C. At this temp should I expect a lot more ice and a liquid mixture of about 42% acetic acid?
This YouTube video seems to show a complete freeze https://www.youtube.com/watch?v=q8yedBBScos
I thought eutectic mixture dun completely freeze until the eutectic temp, which is about -27C here?
Cheers. I am conducting an experiment in my fridge now
macckone - 5-10-2020 at 12:17
Eutectics do not melt or freeze cleanly.
At the eutectic point they will freeze cleanly.
Freeze purification is an art, not a science and the product appears far from pure.DraconicAcid - 5-10-2020 at 12:31
If I keep the mixture just slightly below its freezing point, say -2.5C, I would not expect the whole thing to freeze solid no matter how long right?
It would be just a bit of ice and a very very slightly concentrated vinegar?
That's correct, but what you'll often find is a very slushy ice that will be very difficult to separate from the rest of the mixture.artemov - 5-10-2020 at 20:57