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"Perchloro" organics
You mean perchloryl compounds? https://en.wikipedia.org/wiki/Perchlorylbenzene |
26-3-2018 at 17:10
by: DraconicAcid |
Why are some esters formed easily and others not?
I've used bleach to turn a large secondary alcohol into a ketone, and we didn't seem to have any est ... |
23-3-2018 at 15:05
by: DraconicAcid |
1,4-Dioxane from Ethylene Glycol and H2SO4
I find that boiling nitric acid cleans magnets very well. |
23-3-2018 at 12:48
by: DraconicAcid |
Ways to scrub Hydrogen Sulphide?
[rquote=511690&tid=81401&author=AJKOER]
DraconicAcid:
Are you really trying to say that ... |
22-3-2018 at 16:53
by: DraconicAcid |
Ambiguities in paper nomenclature... stirring a solvent at a temperature above its boiling point?
If it was actually at 85oC, they would have said it was refluxed or heated under pressure. I'd be i ... |
22-3-2018 at 11:29
by: DraconicAcid |
Ways to scrub Hydrogen Sulphide?
[rquote=511643&tid=81401&author=AJKOER]
A safe lower cost solution but slower, pass H2S mi ... |
22-3-2018 at 11:26
by: DraconicAcid |
Cooking accusations from my school - story
[rquote=511649&tid=81398&author=vmelkon]Lawyers costs money. A LOT OF MONEY. Something like ... |
22-3-2018 at 07:20
by: DraconicAcid |
Pretty Pictures (2)
1) Crystals of silver grown by reacting copper with silver nitrate solution on a microscope slide.
... |
20-3-2018 at 15:54
by: DraconicAcid |
Growing Crystals in Gels
This is the result of diffusing magnesium, nickel, and cobalt into gels of silica/ammonium phosphate ... |
20-3-2018 at 15:49
by: DraconicAcid |
Goodbye to S2− in aqueous solution
Every first-year text I've seen lately (apart from the really old ones) states clearly that S(2-) is ... |
20-3-2018 at 15:43
by: DraconicAcid |
Composition of metal spatulas
The only problems I've had with our steel spatulas is when some twit of a student uses them to stir ... |
18-3-2018 at 13:03
by: DraconicAcid |
Column chromatography of acid-sensitive compounds
I haven't done a lot of chromatography, but I suspect that alumina is generally more acidic than sil ... |
17-3-2018 at 13:19
by: DraconicAcid |
Decarboxylation of Glycine to Methylamine?!
[rquote=510779&tid=81256&author=Shiva_Inorganic]I had tried this before. It decomposes into ... |
15-3-2018 at 11:01
by: DraconicAcid |
Separating metals out of a coin
And if the cost of iodide is a problem, you can probably reduce it with sulphite in the presence of ... |
13-3-2018 at 15:43
by: DraconicAcid |
Separating metals out of a coin
I think it's been made clear in the thread that we've tried making nickel aspirinate, and haven't go ... |
13-3-2018 at 15:31
by: DraconicAcid |
Is there a source of cobalt in india
[rquote=510487&tid=81186&author=Akhil jain]I can't find any pottery supply stores in my city ... |
13-3-2018 at 11:38
by: DraconicAcid |
Separating metals out of a coin
I'd start (after dissolving in acid, of course) by adding enough sodium hydroxide to precipitate the ... |
13-3-2018 at 11:02
by: DraconicAcid |
Practical chemistry and common ion effect
Because zinc forms a complex ion with ammonia, and iron doesn't. |
10-3-2018 at 20:37
by: DraconicAcid |
Practical chemistry and common ion effect
You need to add more ammonium chloride if you want to see the common ion effect in action. |
9-3-2018 at 12:28
by: DraconicAcid |
Growing Crystals in Gels
Copper(II) aspirinate doesn't work for me in this method. The copper oxalate that I set up has chan ... |
8-3-2018 at 13:52
by: DraconicAcid |
Help for a young scientist
[rquote=509825&tid=81001&author=j_sum1]
V - keep your eye out for some ferrovanadium. Or sc ... |
8-3-2018 at 12:49
by: DraconicAcid |
Experiments with Vanillin and Ethyl Vanillin Ideas
To be precise, it wasn't benzyl chloride itself, but "a" benzyl chloride- it still had the hydroxyl ... |
8-3-2018 at 12:39
by: DraconicAcid |
Experiments with Vanillin and Ethyl Vanillin Ideas
If you do the reduction to the alcohol, remember that benzyl alcohols are sensitive to acids. We di ... |
8-3-2018 at 12:35
by: DraconicAcid |
Experiments with Vanillin and Ethyl Vanillin Ideas
You can oxidize it to vanillic acid, and make esters. |
8-3-2018 at 01:04
by: DraconicAcid |
What is the standard test for quantitative analysis of compounds?
Nearly all forms of spectroscopy can be used quantitatively. I'm sure you know how UV-Vis spectros ... |
7-3-2018 at 08:21
by: DraconicAcid |
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