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Separation of copper nitrate from mixture
You cannot make it anhydrous, not even in vacuum, at least not with decomposition and formation of b ... |
25-1-2022 at 13:45
by: woelen |
free Software for private chemists
I also strongly recommend using one of the current languages, and Delphi certainly is not among them ... |
25-1-2022 at 04:44
by: woelen |
Fake molybdenum 99.999% on Ebay - Warning!
Did you report this at eBay as being fake?
https://ocswf.ebay.com/rti/compose?items=303692834180& ... |
25-1-2022 at 01:38
by: woelen |
free Software for private chemists
Maybe you can develop code for multiple platforms with a single source code. You could e.g. write Ja ... |
21-1-2022 at 04:46
by: woelen |
Cerium dioxide from ceric ammonium nitrate
I tried boiling HCl (30%), boiling H2SO4 (40% or so).
I did not try the really hot things like ne ... |
21-1-2022 at 01:16
by: woelen |
Cerium dioxide from ceric ammonium nitrate
How reactive is this CeO2? Can it be dissolved in acids? I have some CeO2, and that material is extr ... |
19-1-2022 at 10:57
by: woelen |
Small amount of cyanide in Europe?
Interesting, so nowadays, they oxidize sulfide. Apparently the thiosulfate nowadays is separated fro ... |
18-1-2022 at 12:04
by: woelen |
Small amount of cyanide in Europe?
[rquote=670038&tid=158274&author=teodor]That means that the man who asks for 1kg+ has no dep ... |
18-1-2022 at 00:06
by: woelen |
Small amount of cyanide in Europe?
A 100 grams of cyanide is a huge amount for one application, while being only a little amount for an ... |
14-1-2022 at 00:06
by: woelen |
Dimethylamine identification help
I think, I prefer the basic route. The material does have a smell for me, but I do not perceive it a ... |
12-1-2022 at 05:04
by: woelen |
Some experiments with cyanate ion
I did the following experiment:
- Dissolve approximately 150 mg of NaOCN in 4 ml of distilled water ... |
11-1-2022 at 01:45
by: woelen |
Dimethylamine identification help
I have dimethylformamide. I read about synthesis of dimethylamine with that, using HCl and heating f ... |
10-1-2022 at 03:57
by: woelen |
Some experiments with cyanate ion
I'll try and see what pH the cyanate solution has. I can also add a solution of some MnSO4 to it. I' ... |
9-1-2022 at 23:57
by: woelen |
Burning GOLD to oxid
Heating the gold will not work. You may get it so hot, that it melts, but certainly if you have a bu ... |
4-1-2022 at 00:45
by: woelen |
Attempt to make iron iii oxalate
I have some doubt on the "ferric oxalate". Actually, ferric oxalate is an ill-defined species, which ... |
4-1-2022 at 00:30
by: woelen |
How common is long-term loss of smell if you get Omicron while vaccinated?
One of my daughters and her husband had corona in November. Mild symptoms. Our daughter still has we ... |
3-1-2022 at 12:06
by: woelen |
fun with acetylene
[rquote=669333&tid=158224&author=Bedlasky][rquote=669318&tid=158224&author=woelen]
... |
29-12-2021 at 04:54
by: woelen |
fun with acetylene
@Metacelsus: I also once made dichloroacetylene by accident, but that cannot be made from acetylene. ... |
28-12-2021 at 04:13
by: woelen |
fun with acetylene
Right now, near the end of the year, you can buy calcium carbide in the Netherlands at many places f ... |
27-12-2021 at 13:50
by: woelen |
Short report on making K2[MoOCl5] and K2[MoOBr5]
Very interesting syntheses. I hope to find some time for these during the christmas holidays.
Th ... |
24-12-2021 at 00:08
by: woelen |
N2O3 extraction in dichloromethane
Yes, I know the compound NOClO4, and I already made this.
It works much better with HClO4. Just ... |
21-12-2021 at 04:30
by: woelen |
N2O3 extraction in dichloromethane
I did a little experiment with making of N2O3 and checked how concentrated one can get this without ... |
19-12-2021 at 07:17
by: woelen |
Making KBrO3 using Ca(OCl)2 and bromide.
Ca(ClO)2 is not restricted in the EU, as far as I know. In NL you also still can buy this without an ... |
18-12-2021 at 06:57
by: woelen |
anti "spam-bot" Bot?
Requests for getting an account on sciencemadness always are personal emails, and each request diffe ... |
17-12-2021 at 08:00
by: woelen |
Project: Making thionyl chloride from easy-to-get precursors
Very nice result, both the making of SO3 and the making of SCl2!
Heating a glass vessel to well ove ... |
15-12-2021 at 14:04
by: woelen |
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