DNA precipitation with ethanol froze after -80 incubation, normal?

I was doing DNA precipitation (after phenol-chloroform) with 2.5x volume 100% ethanol, 1/10 3M sodium acetate pH 5.2 at -80C freezer for 2h. After the incubation, the solution kind of half froze...

06 July 2021 9,807 1 View