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What is a realistic output for an ozone generator?
I found out that there are so-called oxygen concentrators. Not really cheap, but a limitless supply ... |
3-3-2021 at 23:59
by: woelen |
What is a realistic output for an ozone generator?
I would like to experiment a little with ozone gas. I see many ozone generators on eBay. For just a ... |
2-3-2021 at 12:44
by: woelen |
Hinmeijer/Anulab is gone
[rquote=655577&tid=157092&author=Tsjerk]I wouldn't be surprised if they got a visit from som ... |
1-3-2021 at 13:42
by: woelen |
Some beautiful high speed reactions
In the following web page I did some experiments and captured images and videos at high speed. The r ... |
26-2-2021 at 13:29
by: woelen |
Distillation of Flammable substances with an open flame
Another very good safety measure is to do things outside in a somewhat open space, or in a space, su ... |
17-2-2021 at 23:58
by: woelen |
The Short Questions Thread (4)
Looks like anhydrous nickel sulfate. Pure anhydrous nickel sulfate looks as follows:
https://woel ... |
17-2-2021 at 14:03
by: woelen |
Selenides easy preparation method (?)
I have written a webpage about the reaction between copper sulfate and sodium thiosulfate, several y ... |
15-2-2021 at 00:01
by: woelen |
Selenides easy preparation method (?)
How can you be so sure that it is CuSe?
Try the following experiment:
- Dissolve some Na2S2O3 i ... |
14-2-2021 at 13:21
by: woelen |
Selenium Sulphoxide, SeSO3
SeO3 is extreme stuff, even more so than SO3. Not something you easily make at home. SeO2 on the oth ... |
14-2-2021 at 02:21
by: woelen |
Acid mixtures that dissolve gold
A mix of HClO4 and HCl is nonoxidizing, even at quite high concentration. No Cl2 will be produced fr ... |
13-2-2021 at 09:46
by: woelen |
Chemical Reactions for Beginner Chemist
This webpage may be a good read for a starter:
https://woelen.homescience.net/science/chem/misc/h ... |
11-2-2021 at 10:30
by: woelen |
Ammonium perchlorate from ammonium bicarbonate
Ammonia from a hardware store may contain all kinds of impurities, depending on country or region. I ... |
7-2-2021 at 10:06
by: woelen |
Ammonium perchlorate from ammonium bicarbonate
Easiest is to mix ammonia solution with the perchloric acid, using excess ammonia. Then let the liqu ... |
6-2-2021 at 09:22
by: woelen |
Pretty Pictures (2)
Very nice observation! Probably the combined volume of gallium + the volume of consumed solution of ... |
5-2-2021 at 03:50
by: woelen |
Copper (I) carbonate
No, it does not need chlorine gas. Copper(I) compounds are easily oxidized by oxygen from air, and s ... |
5-2-2021 at 03:02
by: woelen |
Report: Gallium (iii) iodide & how to dissolve gallium fast
[rquote=654375&tid=156987&author=Lion850]Woelen - thanks. The iodine loss would have been as ... |
5-2-2021 at 00:13
by: woelen |
Report: Gallium (iii) iodide & how to dissolve gallium fast
I think you lost no gallium, but quite some iodine. Most likely your product hydrolyzed and you have ... |
4-2-2021 at 11:01
by: woelen |
Copper (I) carbonate
Dark in this situation is really dark. Nearly black, on very strong dilution brown/green. See
htt ... |
4-2-2021 at 10:55
by: woelen |
Iron(III) from Mohr's salt
Weird. I have Na2S2O8, more than 15 years old and it still is as good as when I purchased it. I know ... |
3-2-2021 at 14:25
by: woelen |
what do you use to store iodine/bromine
$40 for the tube and $5 for delivery.
I think that $40 for a single tube is quite a lot of money. I ... |
3-2-2021 at 04:22
by: woelen |
Vanadyl Sulfate crystals
Making VSO4 or one of its hydrates in the home lab will be VERY difficult. You need to exclude air a ... |
3-2-2021 at 00:12
by: woelen |
new member introduction
Welcome to the forum! Good to see a long term lurker registering now!
If you use certain pieces o ... |
2-2-2021 at 11:36
by: woelen |
Iron(III) from Mohr's salt
Distinguishing between peroxodisulfate and the other compounds I mentioned, however, is easily done ... |
2-2-2021 at 00:36
by: woelen |
Iron(III) from Mohr's salt
A simple test for peroxodisulfate is to prepare a dilute solution of AgNO3 in dilute HNO3. Add a few ... |
1-2-2021 at 11:54
by: woelen |
Write-up on synthesis of K3CrO8, a very energetic peroxochromate
Definitely much more red than mine. Interesting to see the color differences.
Do you still have som ... |
1-2-2021 at 05:00
by: woelen |
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