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Making a solution with temperature dependent coloration
Yes, the cobalt one is lovely (we did that in first year, eons ago....).
17-1-2017 at 12:38
by: DraconicAcid
Making a solution with temperature dependent coloration
[rquote=472104&tid=71719&author=MeshPL]Do you guys know which common metals form distinctive ...
16-1-2017 at 09:43
by: DraconicAcid
Collection of copper compounds.
Ammonium ferrous sulphate is also green, and I think it's more stable than the simple salt.
14-1-2017 at 09:01
by: DraconicAcid
Pretty Pictures (2)
[rquote=471896&tid=26378&author=Neme]How does one get so clear transparent crystal? Mine are ...
14-1-2017 at 02:18
by: DraconicAcid
Pretty Pictures (2)
A crystal of sucrose, a crystal of nickel-doped ammonium magnesium sulphate dodecahydrate, and cryst ...
13-1-2017 at 16:17
by: DraconicAcid
Metals in their gaseous states?
I don't know about transition metals, but I believe the alkali metals form diatomic gas molecules wh ...
12-1-2017 at 21:04
by: DraconicAcid
Coming out to your chemistry teacher as a home chemist
I had one student ask if he could take some alum home to try to grow crystals. Since the other clas ...
12-1-2017 at 12:47
by: DraconicAcid
Ammonium Dichromate from Stainless Steel
I would avoid ammonia in solutions containing Cr(III). It can coordinate, and is difficult to remov ...
10-1-2017 at 13:24
by: DraconicAcid
Best way to separate tetraamine copper sulfate and ammonium sulfate?
There is absolutely no danger of explosions from tetramminecopper(II) sulphate.
4-1-2017 at 16:43
by: DraconicAcid
I need a chemist teacher or trainer
You could come to my college and sign up for a course. I'll teach you.
4-1-2017 at 14:48
by: DraconicAcid
Reduction of transition metals using sodium metal
[rquote=470902&tid=26378&author=fluorescence]I tried the Vanadium one but it failed I guess. ...
4-1-2017 at 11:38
by: DraconicAcid
aluminium hydride from aluminium formate
You're thinking of the reaction Al(HCO2)3 --> AlH3 + 3 CO2? I don't have any citations to back t ...
28-12-2016 at 19:27
by: DraconicAcid
Pretty Pictures (2)
[rquote=470209&tid=26378&author=Tsjerk]Electron wise it is an earth alkali metal.[/rquote]
...
28-12-2016 at 09:08
by: DraconicAcid
Synthesis of t-nitrosobutane (w/ pictures)
[rquote=469640&tid=71363&author=Tsjerk]Very cool, nice write up.

Can you complex ions wit ...
21-12-2016 at 10:19
by: DraconicAcid
Production of nickel, copper and silver as potassium cyanide
K2[Ni(CN)4] is easily made by reaction of KCN with nickel cyanide (itself easily made by reaction of ...
21-12-2016 at 09:55
by: DraconicAcid
Deep Eutectic Solvents, safe organolithium and fast alkylation
I only had a chance to skim the paper, but how does the butyllithium not just deprotonate the glycer ...
19-12-2016 at 10:29
by: DraconicAcid
Bromoacetone from Copper (II) Bromide
[rquote=469234&tid=71254&author=Metacelsus]I've seen papers using LiCuBr[sub]4[/sub] and LiC ...
16-12-2016 at 09:57
by: DraconicAcid
Heavy metal chlorites
If you use excess EDA, then surely you will get HEDAClO2.
14-12-2016 at 09:24
by: DraconicAcid
Imidazole Synthesis Route
[rquote=469046&tid=71243&author=WGTR]I was wondering what to do with this seemingly useless ...
13-12-2016 at 16:57
by: DraconicAcid
Filtration flask side-arm stopper ideas
Rubber pastuer pipette bulbs.
13-12-2016 at 12:27
by: DraconicAcid
Heavy metal chlorites
[rquote=469006&tid=71019&author=woelen]EDA dichlorite would be very interesting. How would y ...
13-12-2016 at 11:26
by: DraconicAcid
The Short Questions Thread (4)
[rquote=468998&tid=25055&author=zts16]I don't understand why you would need to close off the ...
13-12-2016 at 11:23
by: DraconicAcid
Claisen Reaction
[rquote=468900&tid=71231&author=awlb2]Thank you very much DraconicAcid- yes, using magnesium ...
12-12-2016 at 10:34
by: DraconicAcid
Claisen Reaction
The trouble with using hydroxides is that they can hydrolyze the ester (giving ethanol and acetate i ...
12-12-2016 at 10:26
by: DraconicAcid
How to predict/calculate chemical reactions
A reaction will proceed if it results in an overall increase in the entropy of the universe. Most e ...
11-12-2016 at 13:33
by: DraconicAcid
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