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Experiments with liqid nitrogen dioxide
Seal it in a strong glass tube. NO2 is red, but at lower temperatures it forms N2O4 which is blue, a ...
23-8-2019 at 10:53
by: Tsjerk
Lugdunomycin
Just speculating, but it could be relevant as it makes the quite extreme 3D structure possible.
23-8-2019 at 09:48
by: Tsjerk
Tungsten metal plus piranha solution?
If you really wanted to you could put the flask on a flame to get rid of the ammonium chloride.

[E ...
23-8-2019 at 09:44
by: Tsjerk
how to syntetize chloroacetone?
[rquote=621076&tid=153324&author=TheMrbunGee]Few years ago I dissolved some copper bromide i ...
23-8-2019 at 05:09
by: Tsjerk
Tungsten metal plus piranha solution?
Maybe you can try with less ammonia. Sure the basic piranha is nice to wash flasks and fritted funne ...
23-8-2019 at 04:49
by: Tsjerk
Lugdunomycin
Look at this beauty! A completely novel structure found not to long ago. Named after the city I live ...
23-8-2019 at 00:19
by: Tsjerk
People With Diabetes Making Their Own Insulin
Or come to the Netherlands.

Price of [url=https://www.farmacotherapeutischkompas.nl/bladeren/indi ...
22-8-2019 at 23:11
by: Tsjerk
Possible pathway to malonic acid from soybean oil
[rquote=621031&tid=153286&author=stinkypower96]
I didn't say it before but the solid doesn' ...
22-8-2019 at 13:45
by: Tsjerk
Possible pathway to malonic acid from soybean oil
[rquote=621028&tid=153286&author=DraconicAcid]You won't be able to recrystallize it directly ...
22-8-2019 at 12:06
by: Tsjerk
Possible pathway to malonic acid from soybean oil
Dissolve in water and add HCl or H2SO4 untill you get no more precipitation. Go on until pH is 2-3 o ...
22-8-2019 at 10:57
by: Tsjerk
Tungsten metal plus piranha solution?
Nice work! If it is so vigorous, maybe diluting it down a bit and heating it way less would help aga ...
22-8-2019 at 09:55
by: Tsjerk
Tungsten metal plus piranha solution?
Tungsten should indeed dissolve in ammonia / peroxide. You don't need much ammonia, it is is used to ...
22-8-2019 at 00:14
by: Tsjerk
Methyl tosylate from Trimethyl Borate
Cool, I haven't tried it but please let me know whether it works.
14-8-2019 at 10:34
by: Tsjerk
Detonator casing physics
[rquote=620413&tid=153040&author=wessonsmith]The short answer, no, the case doesn't contribu ...
14-8-2019 at 10:12
by: Tsjerk
Making hexamethylenetetramine with household products (?)
Please let me know if you can beat these prices (first hits).

https://www.ebay.es/itm/Formaldehyd ...
14-8-2019 at 09:50
by: Tsjerk
Detonator casing physics
As far as I understood years ago, the definition of a high explosive includes the fact it can detona ...
14-8-2019 at 09:20
by: Tsjerk
Making hexamethylenetetramine with household products (?)
I would have a look at eBay orso, or hobby shops online if you can find formaldehyde and ammonia for ...
14-8-2019 at 07:42
by: Tsjerk
Methyl tosylate from Trimethyl Borate
You can also dissolve the tosic acid monohydrate in methanol, dry with magnesium sulfate, filter, bo ...
13-8-2019 at 23:11
by: Tsjerk
Tryptophan decarboxilation too tryotamine using carvone
The 5% ammonia I can get in the supermarket is only ammonia in water. It is clear and colorless.
13-8-2019 at 22:21
by: Tsjerk
Methyl tosylate from Trimethyl Borate
How about dehydrating the tosylic acid by heating to about 120 degrees or so? That would melt the co ...
13-8-2019 at 09:24
by: Tsjerk
Does anyone know how to use one of these?
Stainless steel cooking pans easily handle boiling 30% NaOH, but are corroded in seconds by cold dil ...
13-8-2019 at 07:43
by: Tsjerk
Does anyone know how to use one of these?
What is the probe made of?
12-8-2019 at 23:14
by: Tsjerk
fume hood airflow is cooling off hotplate
I use aluminium foil for high boilers, works great.
12-8-2019 at 09:14
by: Tsjerk
Copper Chromite Oxide Catalyst Preparation
[rquote=620144&tid=152462&author=Johnny Windchimes]https://www.youtube.com/watch?v=4L5AGGfxF ...
11-8-2019 at 03:35
by: Tsjerk
DIAMINOURONIUM (DI)NITRATE
Anyone here with some 79% (w/w) or more concentrated HNO3? I did some calculations and I think the p ...
11-8-2019 at 03:21
by: Tsjerk
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