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18K Gold sould I drop it in aqua regia.
I am really interested if it turns out to be real gold.
Please update as soon as possible about you ...
9-7-2020 at 17:45
by: karlos³
Lab and insects
What speaks against making DDT or one of its analogues?
I believe it was Tsjerk who posted his prep ...
9-7-2020 at 15:14
by: karlos³
Syringol from pyrogallol
Syringol is a phenol so it should be easy to separate it from the fully trimethoxylated compound by ...
9-7-2020 at 09:29
by: karlos³
U.S. based suppliers that will sell to individuals?
Take a look into the wiki of SM, it has a wonderful list of suppliers somewhere there.
7-7-2020 at 18:43
by: karlos³
Opinions of working with carcinogenic alkyl halides such as bromoethane?
[rquote=639627&tid=155700&author=Cou]
We have to balance the risk and benefit. I think orga ...
7-7-2020 at 12:07
by: karlos³
Oxidation of aldehydes to carboxylic acids?
DMF is polar aprotic, you can only replace it with something having similar properties like it.
And ...
6-7-2020 at 13:27
by: karlos³
Oxidation of aldehydes to carboxylic acids?
I can vouch for the use of oxone in DMF.
That works quick and clean, even like an actual charm, and ...
6-7-2020 at 12:23
by: karlos³
Synthesis of propanoic acid from methyl ethyl ketone via haloform reaction. Questions.
It is a viable route to propionic acid.
Although, calcium propionate is likely already available OT ...
5-7-2020 at 18:38
by: karlos³
Containing iodine as liquid
Think of the different physical states.
The question is, how to contain iodine in its molten state, ...
4-7-2020 at 21:52
by: karlos³
Extracting Ephedrine from Ma hung tea
[rquote=639285&tid=155652&author=draculic acid69]
I read somewhere that chloroform decompos ...
4-7-2020 at 20:20
by: karlos³
Lab Stands + Questions
You really don't want to get the cheapest stand.
Consider always, that the stand bears the responsi ...
4-7-2020 at 19:16
by: karlos³
Converting Amine Sulfate into Amine Hydrochloride ?
I would be tempted to do it differently, in case the amine freebase is volatile with steam.
Simply ...
4-7-2020 at 19:05
by: karlos³
Retort & Stand Questions
You're likely better off, cheaper too, and get a qualitatively superior stand, if you simply build i ...
4-7-2020 at 17:51
by: karlos³
A day of summer chemistry.
It's a chelated complex.
1-7-2020 at 12:37
by: karlos³
Making sodium isopropoxide - Sodium is not dissolving
You need to apply heat in the end, I always have when making both sodium (m)ethoxide.
1-7-2020 at 04:10
by: karlos³
Diethylamine as catalyst in henry reaction?
[rquote=638854&tid=155610&author=Racconized][rquote=638750&tid=155610&author=karlos ...
29-6-2020 at 11:52
by: karlos³
Clomethiazole by Vitamine b1 cleavage
This thread might be of interest too: http://www.sciencemadness.org/talk/viewthread.php?tid=154878
29-6-2020 at 03:21
by: karlos³
Clomethiazole by Vitamine b1 cleavage
Yes the pyrimidine byproduct is very neurotoxic.
28-6-2020 at 13:27
by: karlos³
Forbidden Knowledge!
Good and rare drugs made by skilled chemists are usually not intended for the market, most of these ...
28-6-2020 at 11:33
by: karlos³
Glyphosate Roundup Ban in the EU by the end of 2022
Isopropylamine at least, I don't know how anything else though.
26-6-2020 at 15:36
by: karlos³
Ammonium persulphate + sulphuric acid as a sub for piranha solution
You can use oxone instead, and sulfuric acid, this gives you piranha solution too.
Or "nibblewater" ...
26-6-2020 at 12:53
by: karlos³
How to reduce oximes to amines?
Foil is adequate too for that reduction, but neither those baking trays nor foil will give one the s ...
26-6-2020 at 09:20
by: karlos³
Extracting Ephedrine from Ma hung tea
You know, the american species is entirely different from the eurasia parts of the world?
You can r ...
25-6-2020 at 20:39
by: karlos³
Retort & Stand Questions
[rquote=639203&tid=155226&author=zwt2][rquote=639135&tid=155226&author=Sulaiman]So s ...
25-6-2020 at 20:35
by: karlos³
How to reduce oximes to amines?
Alright, then use the following quotes, of Corrosive Joeseph who put in the effort to translate that ...
25-6-2020 at 16:05
by: karlos³
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