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Separation of isomers by selective seeding and crystallisation?
This is a suggestion for separating isomers that avoids the expense of a column.

My idea is that ...
17-8-2019 at 02:24
by: sludger
Safety and disposal of potassium fluoride
Thanks Keras for the pdf, which I can now see.
20-6-2019 at 03:46
by: sludger
Safety and disposal of potassium fluoride
UPDATE
The gelatinous precipitate seems to dissolve in excess CaCl2. Cl- does form soluble complexe ...
18-6-2019 at 07:52
by: sludger
Safety and disposal of potassium fluoride
Quote: Originally posted by Keras
||
|| Solubility of calcium fluoride is about 20 mg/L (that's a ...
18-6-2019 at 07:20
by: sludger
Safety and disposal of potassium fluoride
[rquote=615477&tid=78063&author=Keras]
What gives you such qualms about colloidal CaF[sub]2 ...
17-6-2019 at 11:46
by: sludger
Safety and disposal of potassium fluoride
78063
17-6-2019 at 11:46
by: sludger
Safety and disposal of potassium fluoride
[rquote=496697&tid=78063&author=j_sum1]
What I would do is use the Ca(NO3)2 to precipitate ...
17-6-2019 at 05:29
by: sludger
Safety and disposal of potassium fluoride
[rquote=496891&tid=78063&author=18thTimeLucky?]Trying to get rid of more chemicals already, ...
8-11-2017 at 15:12
by: sludger
Thanks
Thanks everyone for your replies. Been very helpful for keeping things in perspective.
7-11-2017 at 23:20
by: sludger
Safety and disposal of potassium fluoride
[rquote=496734&tid=78063&author=Deathunter88]
I think you guys are all forgetting something ...
7-11-2017 at 01:47
by: sludger
Safety and disposal of potassium fluoride
[rquote=496697&tid=78063&author=j_sum1]I think you are over-reacting. Sure Fluoride ions ar ...
7-11-2017 at 01:30
by: sludger
Safety and disposal of potassium fluoride
[rquote=496679&tid=78063&author=LearnedAmateur]HF has a pKa of 3.17, the first pKa of citric ...
6-11-2017 at 13:13
by: sludger
Safety and disposal of potassium fluoride
[rquote=496652&tid=78063&author=markx]I would not advise dumping it on your garden....given ...
6-11-2017 at 12:54
by: sludger
Safety and disposal of potassium fluoride
[rquote=496680&tid=78063&author=Vosoryx]
Location, even just a country? Might help narrow i ...
6-11-2017 at 12:26
by: sludger
Safety and disposal of potassium fluoride
I have about 90 grams of KF that I don't want.

I can neutralise it with an excess of calcium nit ...
6-11-2017 at 02:15
by: sludger
Unwanted chemicals free
Someone's just beaten you to it, Sulaiman, but if they lose interest I'll get back to you by U2U. Th ...
7-10-2017 at 08:42
by: sludger
Unwanted chemicals free
Hi

I am new to Sciencemadness so if this is the wrong place to post this please just say so.

I ...
7-10-2017 at 02:48
by: sludger

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