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Planning 1st attempt of NitroCellulose
I did the experiment several years ago, on a small scale and repeated it a few times. I noticed that ... |
10-1-2023 at 04:15
by: woelen |
Nickel Nitrate Turning Brown.
Nickel nitrate does not really boil at 136.7 C. What really happens (and which is a common effect wi ... |
4-1-2023 at 00:23
by: woelen |
Nickel Nitrate Turning Brown.
Do not buy from cheap chinese sellers on eBay or Amazon. This kind of products nearly always has som ... |
3-1-2023 at 07:15
by: woelen |
chlorate cell
Adding 6 ml of conc. HCl seems too much to me. Formation of chlorate does not occur at too low pH. C ... |
3-1-2023 at 04:18
by: woelen |
Tungsten trioxide
Getting crystalline WO3 most likely only can be done by melting or even evaporating the material and ... |
31-12-2022 at 09:50
by: woelen |
Rare catalyst, reagents and ultrra oure metal powders for sale
[rquote=679737&tid=159174&author=Fery][rquote=679731&tid=159174&author=OrganicGuy]2- ... |
24-12-2022 at 03:04
by: woelen |
Magnesium chromate from electrolysis of stainless steel in magnesium sulphate solution
I do not think that these reaction equations, you mentioned in your post from 18-12-2022 are the one ... |
22-12-2022 at 04:11
by: woelen |
Things to do with tantalum
Interesting finds.
I have a few grams of Ta2O5, and tried to dissolve a pinch of that some years ... |
19-12-2022 at 23:59
by: woelen |
Idiocy in action; don't be me
Arkoma, I find it brave that you shared this with us. Thumbs up for sharing and warning!
I wish you ... |
19-12-2022 at 23:51
by: woelen |
Magnesium chromate from electrolysis of stainless steel in magnesium sulphate solution
At the anode you certainly don't get hydrogen. Also, at the anode, electrons are withdrawn from reag ... |
17-12-2022 at 11:56
by: woelen |
Magnesium chromate from electrolysis of stainless steel in magnesium sulphate solution
Yes, I also think that you made dichromate. The pictures show a nice orange color, and the fact that ... |
16-12-2022 at 12:37
by: woelen |
New chemical restrictions in Canada?
Sodium bromide can be obtained easily, but its application in swimming pools is not permitted in man ... |
14-12-2022 at 10:24
by: woelen |
Apparent AsCl3 realization by union of the elements at room temp
Interesting to see him doing it, but if this was done in a home-setting, then I have my severe doubt ... |
14-12-2022 at 10:17
by: woelen |
Seperating chlorine asichlorosicyanurate and sodium bromide
I agree with Texium. Too dangerous. Acetone and TCCA can react violently with each other and the mix ... |
14-12-2022 at 05:05
by: woelen |
Nickel Nitrate Turning Brown.
I only have one explanation for this. One of your reagents is impure. If you use ordinary nitric aci ... |
8-12-2022 at 00:03
by: woelen |
New Video - Colors of Vanadium using Vanadium Pentoxide
I also made Na3VO4. I made it by dissolving V2O5 in a solution of NaOH (fairly concentrated, maybe 1 ... |
5-12-2022 at 23:48
by: woelen |
Preparation of chlorosulfonic acid derived protecting groups
Unfortunately, both of my sources of chlorosulfonic acid stopped selling it. I can imagine that, bec ... |
2-12-2022 at 01:55
by: woelen |
New Video - Colors of Vanadium using Vanadium Pentoxide
I also did some nice experiments with vanadium, several years ago:
oxidation states: https://woel ... |
1-12-2022 at 01:43
by: woelen |
Arsenic and TCCA
Those were different times. Glauber did not know of carcinogenic properties of As-compounds. Het did ... |
15-11-2022 at 07:57
by: woelen |
Confusion on SO3 Synthesis
@metalresearcher: That does not need to make a big difference.
Persulfate decomposes in two stages. ... |
13-11-2022 at 12:13
by: woelen |
Introducing me
Very nice Beroe! Good to see you here.
You have two members of sciencemadness very close to you, I ... |
3-11-2022 at 12:46
by: woelen |
Can oxone oxidise MnSO4 to MnO2 ?
I expect that it works, but only at high pH. Oxone is a strongly acidic oxidizer. I would try dissol ... |
3-11-2022 at 12:44
by: woelen |
Ammonium hydroxide titration
Even these chinese scales do much better than 10%. Usually their error is 0.0x grams + y% of measure ... |
2-11-2022 at 04:00
by: woelen |
Osmium chemistry
Maybe you don't get OsCl4 vapors, but what if some unreacted OsO4-vapors escape? Can you be sure tha ... |
1-11-2022 at 11:21
by: woelen |
Osmium chemistry
[rquote=678078&tid=158875&author=vano][...] also thyonyl chloride reaction is something new ... |
1-11-2022 at 05:10
by: woelen |
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