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Things to do with tantalum
Tantalum produce colored precipitates with tannin, quercetin and pyrogallol. They are one of few col ... |
19-12-2022 at 15:45
by: Bedlasky |
Sequence of 'color reactions'
Jan1234: That chemical chameleon with temperature gradient sounds nice!
Molybdenum chemistry is r ... |
14-12-2022 at 01:59
by: Bedlasky |
Sequence of 'color reactions'
You can try reduction of permanganate. Pour permanganate solution in to strongly alkaline thiosulfat ... |
13-12-2022 at 03:35
by: Bedlasky |
DCM Acquisition
Ethyl acetate can be used instead of DCM. Ethyl acetate is pretty common organic solvent. |
9-12-2022 at 08:56
by: Bedlasky |
Seperating chlorine asichlorosicyanurate and sodium bromide
[rquote=679270&tid=159135&author=Chemist1357]chlorine asichlorosicyanurate[/rquote]
And w ... |
9-12-2022 at 08:50
by: Bedlasky |
Positive Iodine Compounds
Look at Brauer, page 327-333:
[url]http://library.sciencemadness.org/library/books/brauer_ocr.pdf ... |
7-12-2022 at 07:27
by: Bedlasky |
Ammonium Persulfate to Ammonium sulfate
Don't use ammonium persulfate as electrolyte. Persulfate oxidize Mn2+ to MnO4-. And it will damage y ... |
6-12-2022 at 22:28
by: Bedlasky |
New Video - Colors of Vanadium using Vanadium Pentoxide
Simply by dissolving V2O5 in 10% NaOH, then evaporating water on steam bath. If you need to know how ... |
5-12-2022 at 10:56
by: Bedlasky |
New Video - Colors of Vanadium using Vanadium Pentoxide
Nice experiment! I also did this with V2O5 and zinc powder.
I made some sodium orthovanadate from ... |
1-12-2022 at 17:03
by: Bedlasky |
Preperation of ethyl salicylate
I didn't add NaOH. Mixture after reflux even didn't smell like wintergreen, it smell like EtOH. Reac ... |
28-11-2022 at 09:57
by: Bedlasky |
Preperation of ethyl salicylate
I agree with Draconic acid. Salicylic acid, 4x excess of EtOH, sulfuric acid, 2 hours reflux - nothi ... |
27-11-2022 at 22:08
by: Bedlasky |
Synthesis of gemstone-chromium doped gallium oxide,color-change at UV
Nice work Admagistr!
Alexandrite effect sounds interesting, I didn't know that some other oxides ... |
27-11-2022 at 21:52
by: Bedlasky |
haloform reaction - cinnamic acid from benzylideneacetone
Wouldn't hypochlorite oxidize MeOH to formaldehyde-->formic acid-->CO2? |
26-11-2022 at 10:56
by: Bedlasky |
haloform reaction - cinnamic acid from benzylideneacetone
Nice work as always, Fery! Nice to see different use of haloform reaction. Usually haloform is the d ... |
25-11-2022 at 12:24
by: Bedlasky |
edta and permanganate
If you want to make Mn(III) EDTA complex, mix MnCl2, EDTA and KMnO4 solutions together. |
23-11-2022 at 14:18
by: Bedlasky |
H2 trap
Just make sure that room is well ventilated. Iron nails react really slowly with acid, so hydrogen w ... |
20-11-2022 at 12:11
by: Bedlasky |
H2 trap
What amount of metals do you talking about? And what metals? |
20-11-2022 at 06:37
by: Bedlasky |
Dibenzalacetone - Organic Synthesis writeup
I tried this synthesis once again but this time once again, but this time on 10 times bigger scale. ... |
19-11-2022 at 09:01
by: Bedlasky |
benzalacetone = benzylideneacetone by aldol condensation
Nice work, Fery!
Does benzalacetone smell? Dibenzalacetone have weak sweet smell, so I wonder if ... |
15-11-2022 at 12:39
by: Bedlasky |
Soxhlet extraction
[rquote=678438&tid=159072&author=Chemgineer]I notice my final solution is very dark and red/ ... |
14-11-2022 at 18:22
by: Bedlasky |
Can oxone oxidise MnSO4 to MnO2 ?
[rquote=678240&tid=159043&author=Diachrynic]The filtrate had a green color (maybe Mn(VI)?) b ... |
5-11-2022 at 17:10
by: Bedlasky |
2-Ethylhexanol synthesis
Reduction of 2-ethylhexanoic acid with Li[AlH4] seems the most straightforward way. |
5-11-2022 at 17:07
by: Bedlasky |
Can oxone oxidise MnSO4 to MnO2 ?
[rquote=678185&tid=159043&author=Fery]Couldn't persulfate oxidise Mn(II) to permanganate?[/r ... |
5-11-2022 at 02:15
by: Bedlasky |
Ferrates vs. perxenates
I think this would be very slow reaction. But maybe I am wrong. Ferrates are usually prepared from f ... |
3-11-2022 at 23:27
by: Bedlasky |
Ammonium hydroxide titration
I think that methyl orange will dissolve much quicker in alcohol, so I would make it according to 2) ... |
2-11-2022 at 08:44
by: Bedlasky |
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