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Preparation of potassium hexafluoromanganate(IV) from household items
Why don't you carry out the simple control experiment I suggested? |
19-11-2015 at 13:01
by: deltaH |
Preparation of potassium hexafluoromanganate(IV) from household items
It would appear that in the US nearly every reagent possible is OTC, as long as it contains 1% deter ... |
18-11-2015 at 21:52
by: deltaH |
Sodium Fluoride and Tooth Decay?
The mineral component of teeth is hydroxyapatite, Ca5(PO4)3(OH). Note the hydroxyl groups. Those hyd ... |
15-11-2015 at 09:39
by: deltaH |
Salting out ethanol and distillation
[b]softbeard[/b], be aware that K3PO4 is a foaming agent and also that these solutions become viscou ... |
14-11-2015 at 21:23
by: deltaH |
Salting out ethanol and distillation
Chatting to [b]aga[/b], I have had a speculative brain wave... adding K3PO4 to concentrated ammonia ... |
14-11-2015 at 01:56
by: deltaH |
Salting out ethanol and distillation
Just read about the terrible attacks in Paris, my condolences to all our French SM members, how terr ... |
13-11-2015 at 22:00
by: deltaH |
Salting out ethanol and distillation
Thanks [b]MolecularWorld[/b]. I don't think you can have any carbonate in there though, that would s ... |
13-11-2015 at 21:45
by: deltaH |
Salting out ethanol and distillation
[b]aga[/b], there are a great many other salts that could be tested. In my mind I have the following ... |
13-11-2015 at 21:37
by: deltaH |
Salting out ethanol and distillation
Thank you [b]MolecularWorld[/b] for your contribution and work!
I have one more potential trick u ... |
13-11-2015 at 21:25
by: deltaH |
Salting out ethanol and distillation
It's solubility is 112g/100ml water, so you could use a little more to saturate the solution than wh ... |
13-11-2015 at 11:59
by: deltaH |
Competition — Lab from five OTC items
Thanks [b]jsum[/b] (flattered). I don't know if I will be able to enter, but I will certainly try to ... |
13-11-2015 at 11:45
by: deltaH |
Salting out ethanol and distillation
[rquote=427599&tid=61746&author=Praxichys] I don't think this is any more efficient than the ... |
13-11-2015 at 09:47
by: deltaH |
Salting out ethanol and distillation
[rquote=427585&tid=61746&author=chemrox]anyone know what a "multipleeffect evaporator" is?[/ ... |
13-11-2015 at 09:39
by: deltaH |
Salting out ethanol and distillation
Very thorough work again [b]aga[/b], well done! |
13-11-2015 at 09:31
by: deltaH |
Salting out ethanol and distillation
For those not yet clear on this, there's a big difference between salting out and desiccation. Using ... |
12-11-2015 at 23:26
by: deltaH |
Salting out ethanol and distillation
Besides salting out ethanol, I've been trying to think of other applications for K3PO4's salting out ... |
12-11-2015 at 21:40
by: deltaH |
Salting out ethanol and distillation
Buy a bottle of vodka, add K3PO4 to it, then add 5% water to the organic layer and you will have lot ... |
12-11-2015 at 12:40
by: deltaH |
Competition — Lab from five OTC items
Thank you [b]j_sum1[/b] for sponsoring a wonderful competition and for your generosity! |
12-11-2015 at 10:57
by: deltaH |
Salting out ethanol and distillation
This is taking 37 wt.% to 100% in one step, not just breaking the azeotrope. The cost of CuSO4 for s ... |
12-11-2015 at 10:38
by: deltaH |
Salting out ethanol and distillation
Potassium hydroxide and phosphoric acid are readily available across the globe and are low-cost chem ... |
12-11-2015 at 09:42
by: deltaH |
Salting out ethanol and distillation
[color=red][b]WARNING: For those of you who might use it for demonstration, please warn kids that dr ... |
11-11-2015 at 21:44
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
I think some here are underestimating the power of nano-aluminium.
If you want to see just what t ... |
11-11-2015 at 10:16
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
Carbamate peroxide (urea hydrogen peroxide) might be a fantastic idea... if it won't explode or spon ... |
10-11-2015 at 11:12
by: deltaH |
Ethylene carbonate from chloroform, glycol, air and UV?
I read somewhere (?wikipedia?) that the reverse is commercially practiced, i.e. that they make dimet ... |
10-11-2015 at 10:53
by: deltaH |
Ethylene carbonate from chloroform, glycol, air and UV?
It is well known that unstabilised chloroform degrades in air and sunlight to form phosgene gas.
... |
9-11-2015 at 23:23
by: deltaH |
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