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Seeking a US source for sodium nitrite that ships residential
[rquote=704932&tid=161441&author=Sir_Nobel][rquote=704874&tid=161441&author=woelen]O ...
26-12-2025 at 12:22
by: woelen
Seeking a US source for sodium nitrite that ships residential
I have experience with Synthetikaeu.com, and actually got NaNO2 from them. But nitrite is not shippe ...
23-12-2025 at 04:53
by: woelen
Seeking a US source for sodium nitrite that ships residential
Onyxmet has KNO2 for 15 euros per 100 gram, which is a decent price.
22-12-2025 at 00:28
by: woelen
Aeq, an introduction
Welcome to sciencemadness. I hope to see some interesting contributions from you. Even if you are a ...
18-11-2025 at 02:59
by: woelen
Ni + HNO3 = something red?
Your solution looks remarkably much like a solution you get when you dissolve pure iron in HNO3, whi ...
13-11-2025 at 07:35
by: woelen
Acid pKa values table printout
Good to have a compact and easy to use table. But compactness and completeness of course are competi ...
12-11-2025 at 02:35
by: woelen
77.5% formic acid
I have worked quite a lot with formic acid and never had any explosive decomposition, not even with ...
5-11-2025 at 04:38
by: woelen
Where to have lab if not apartment? RV?
I agree with bnull. Making energetics is not the thing to start with. Accidents are always around th ...
31-10-2025 at 04:43
by: woelen
Sodium perchlorate synthesis issues
I recently made a lot of KClO3, using Feanor Forge's MMO electrodes with the plastic lid. A web page ...
28-10-2025 at 04:58
by: woelen
Sodium perchlorate synthesis issues
If you have red material on addition of conc. H2SO4, then you have considerable chlorate contaminati ...
27-10-2025 at 02:29
by: woelen
Guanidine nitrate source?
This may be interesting for you: https://www.laboratoriumdiscounter.nl/en/guanidine-carbonate-980t-5 ...
27-10-2025 at 02:19
by: woelen
Sodium perchlorate synthesis issues
Based on the results of your test with H2SO4, I think that you have perchlorate, but with quite some ...
21-10-2025 at 23:46
by: woelen
I ordered chemicals from TEMU so you don’t have to…
This is one of the few things from AliExpress, which indeed is fine.
I have 100 small switches, eac ...
20-10-2025 at 06:53
by: woelen
spilt mercury thermometers
If your lab is really open to outside air and you have continuous ventilation, especially if there i ...
15-10-2025 at 06:26
by: woelen
Some quick notes on the preparation of lead(IV)-acetate
Nice synthesis indeed. Good to see that it is possible to make such a special compound in an amateur ...
15-10-2025 at 06:05
by: woelen
Ethyl nitrite synthesis
I told to use warm solutions (not boilingly hot), in order to drive off the ethyl nitrite as a gas. ...
6-10-2025 at 23:46
by: woelen
Weird Sulphury smell noticed with Sulphuric acid!
If you want to try this kind of experiments, then you need really pure acid. I also noticed this kin ...
5-10-2025 at 23:39
by: woelen
Ethyl nitrite synthesis
What are you talking about? We are mixing up things about nitrate esters and nitrite esters.

Ethy ...
5-10-2025 at 09:52
by: woelen
Ethyl nitrite synthesis
Keep in mind that quite some ethyl nitrite dissolves in the aqueous layer. This may lead to consider ...
4-10-2025 at 10:45
by: woelen
Which chemicals do you NOT want to have at home ?
For me, the criterion is how safely the material can be stored. It is a combination of corrosiveness ...
1-10-2025 at 05:44
by: woelen
Sulfuric acid production from sodium sulfate/bisulfate and HCl
Standard pH-minus, which is the common source of bisulfate, is NaHSO4.H2O.
17-9-2025 at 22:35
by: woelen
storage of PCl5 and AlCl3
My SOCl2 is pale yellow/brown. Probably coming from some sulfur-compounds.
My SO2Cl2 is pale green, ...
12-9-2025 at 03:46
by: woelen
storage of PCl5 and AlCl3
[rquote=703166&tid=161290&author=teodor]You can buy those caps per 5 EUR / stuk. I will tell ...
12-9-2025 at 01:40
by: woelen
In-demand reagents
150 euros per 100 gram of AgNO3 is quite a good price. Spot price of silver nowadays is well over EU ...
11-9-2025 at 06:52
by: woelen
storage of PCl5 and AlCl3
I have 2 specific chemicals, which I find really troublesome to store for a longer time. I have a bo ...
11-9-2025 at 06:37
by: woelen
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