Why is it _glacial_ acetic acid??? and NaAc question

Susan Jane Hogarth sjhogart at unity.ncsu.edu
Thu Jan 25 21:27:15 EST 1996


klenchin at macc.wisc.edu (Dima Klenchin) wrote:
>In article <4e8jg4$39d at taco.cc.ncsu.edu>,
>   Susan Jane Hogarth <sjhogart at unity.ncsu.edu> wrote:
>-->subject line says it all...
>-->
>-->Thanks for the info - this is driving me crazy.
>-->While we're on the subject, is it generally difficult to get a 3M sol'n of
>-->NaAc? I made one yesterday, and it keeps recrystallizing (lovely crystals).
>
>1. Put one in the fridge and you'll see it...
>It freezes down forming _glacial_ crystall. BTW, glacial acetate slowly get 
>water in, decreasing it's concentration. That's the way to make to restore the
>proper conc.: aspirate water after it freezes, warm up, and you have it glacial 
>again. 
>
>2. Don't remember any troubles with 3M NaAc. 
>
>- Dima

Thanks for the acetic acid info - that was a great explanation. I figured out
the prob w/ the NaAc; I used the "recipe" for the trihydrate, when in fact I
had the anhydrous stuff... Boy, do I feel stupid :-(

-- 


Susan Jane Hogarth
http://www4.ncsu.edu/unity/users/s/sjhogart/public/home.html




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