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European Sulfuric Acid Ban
[rquote=643770&tid=155798&author=karlosĀ³]
Also, is this stuff even really effective for th ...
28-8-2020 at 07:13
by: Tsjerk
Most toxic compound OTC?
I had an Aconitum doing great behind the same window on the south as the Passiflora, but I probably ...
27-8-2020 at 00:02
by: Tsjerk
Nitric acid questions
If you click on preview post you can upload files. If it is an image the forum software will recogni ...
26-8-2020 at 12:15
by: Tsjerk
Nitric acid questions
If you add sodium chloride to the sodium nitrate/sulfuric acid you get a mixture of aqua regia and s ...
26-8-2020 at 09:13
by: Tsjerk
Hexane extraction
If hexane works, butane should work as well I guess.

About the human consumption I would be care ...
26-8-2020 at 09:10
by: Tsjerk
Nitric acid questions
Of course learning how to do a distillation is priceless, but for dissolving metals from circuit boa ...
26-8-2020 at 08:20
by: Tsjerk
Most toxic compound OTC?
My plants are in pots on my roof terrace , so the growth is limited by the size of the pot, I don't ...
26-8-2020 at 06:03
by: Tsjerk
Most toxic compound OTC?
My Ricinus plants are doing well! There are a couple hundred more beans maturing on the two plants I ...
26-8-2020 at 04:42
by: Tsjerk
Recommendations for synthesis of medicines and other medical organic molecules.
Ok... Read capitalized where I wrote bold.

OP is German AF, but was only "practicing" his German ...
23-8-2020 at 02:07
by: Tsjerk
Small scale production of H2SO4 in the amateur lab
JJay, have a look at the pdf I attached above. Here the decomposition is done in borosilicate and pe ...
22-8-2020 at 05:29
by: Tsjerk
How is yeast dried so its viable when re-hydrated
I think there will definitely be a difference between washed and unwashed! There is only no differen ...
21-8-2020 at 08:40
by: Tsjerk
How is yeast dried so its viable when re-hydrated
The fingerprint on plate is a cool experiment! What we used to do was first one unwashed finger, the ...
19-8-2020 at 13:31
by: Tsjerk
Sars corona virus 'spikes'
The spikes are trimers of the glycoprotein S. One of these S glycoproteins is 1273 AA, which makes t ...
19-8-2020 at 02:00
by: Tsjerk
Lab clear out sale
If you can't get rid of it in one go I'm interested in smaller quantities of some of those!
18-8-2020 at 05:50
by: Tsjerk
Ethanol Distillation
99% ethanol is sold as bio-ethanol here to be used in decorative fireplaces. It also only contains M ...
18-8-2020 at 00:22
by: Tsjerk
Small scale production of H2SO4 in the amateur lab
I would still go for the bisulfate/pyrosulfate route as suggested by Atara.

17-8-2020 at 13:48
by: Tsjerk
Ethanol Distillation
Why would you use a the sticky CaCl2 instead of sand? Every drop of CaCl2 spilled will form a sticky ...
17-8-2020 at 07:44
by: Tsjerk
How is yeast dried so its viable when re-hydrated
The bacteriological-grade agar is made to do analysis on, for example LC-MS on secondary metabolites ...
17-8-2020 at 05:57
by: Tsjerk
Ethanol Distillation
If you would choose a glass vessel, I would advice to use a sand bath. A sand bath is as simple as s ...
17-8-2020 at 02:38
by: Tsjerk
Recommendations for synthesis of medicines and other medical organic molecules.
[rquote=643125&tid=155888&author=fdnjj6][rquote=643118&tid=155888&author=Tsjerk]You ...
15-8-2020 at 14:01
by: Tsjerk
Recommendations for synthesis of medicines and other medical organic molecules.
You don't have to use caps lock in English. That is only done in German. It looks like you are shout ...
15-8-2020 at 05:41
by: Tsjerk
A word to amateur chemists
[rquote=642917&tid=156020&author=fdnjj6]I know damn well that you're more of a kid anyway gi ...
13-8-2020 at 02:38
by: Tsjerk
A word to amateur chemists
[rquote=642910&tid=156020&author=fdnjj6]
Well, one of my family members was on the balcony ...
13-8-2020 at 01:35
by: Tsjerk
A word to amateur chemists
[rquote=642242&tid=155917&author=fdnjj6][rquote=642197&tid=155917&author=Tsjerk][rqu ...
13-8-2020 at 00:34
by: Tsjerk
Preparation of Mononitrotoluenes (o-, p-)
You don't have to worry about crystallizing the ortho isomers, the para and or meta impurities drop ...
12-8-2020 at 03:47
by: Tsjerk
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