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Nice experiment: KClO3 + H2SO4 + paper
[rquote=494773&tid=77540&author=AJKOER]OK, perhaps first is the formation of the black fine ... |
16-10-2017 at 10:26
by: metalresearcher |
Manganese thermite slow motion video
This afternoon (EU) i mixed some MnO2 with Aluminum powder (stabilized, but activated by black pyro ... |
15-10-2017 at 08:28
by: metalresearcher |
Nice experiment: KClO3 + H2SO4 + paper
[rquote=494655&tid=77540&author=NEMO-Chemistry]Yeah I was way off with the chemistry!! Read ... |
14-10-2017 at 23:08
by: metalresearcher |
Nice experiment: KClO3 + H2SO4 + paper
I performed this experiment 10 years ago and repeated it tonight.
I put some concentrated (< 1ml ... |
14-10-2017 at 11:45
by: metalresearcher |
NFPA-704: water is not reactive at all ?
[rquote=494610&tid=77538&author=Deathunter88]
Would water be hazardous under fire condition ... |
14-10-2017 at 09:05
by: metalresearcher |
NFPA-704: water is not reactive at all ?
Each page of a chemical on world's largest online chemistry textbook has a datasheet on the top righ ... |
14-10-2017 at 03:42
by: metalresearcher |
Are these superheavy elements fake ?
I am not saying they are fake, but questioning it. Of course they are real, but for a very short tim ... |
13-10-2017 at 22:59
by: metalresearcher |
Are these superheavy elements fake ?
In the labs of Dubna, the seventh row of the priodic table is finished now, as all elements till 118 ... |
13-10-2017 at 08:59
by: metalresearcher |
Preparation of elemental phosphorus
This would be a rather compled design. It needs indeed strict temperature control in the condenser. ... |
11-10-2017 at 09:20
by: metalresearcher |
Preparation of elemental phosphorus
[rquote=494019&tid=65&author=Magpie]
Dry all raw materials in a hot drying oven.
[/rqu ... |
9-10-2017 at 10:00
by: metalresearcher |
Preparation of elemental phosphorus
I tried it again, but still no P4 yet, but the flames are PH3 or P4 vapor ?
See this vid (with a ... |
8-10-2017 at 06:46
by: metalresearcher |
Is recycling worth it?
Plastics are the worst polluters. Ocean islands full of plastics, because we (the industry and big c ... |
8-10-2017 at 00:08
by: metalresearcher |
Preparation of elemental phosphorus
What about adding a solvent such as NaCl ?
This melts at 800 C and the phosphate gets ionized. Does ... |
6-10-2017 at 13:17
by: metalresearcher |
Preparation of elemental phosphorus
Why does it need to melt ? More intimate contact ?
Do powdered solids not also have 'intimate conta ... |
6-10-2017 at 02:21
by: metalresearcher |
Preparation of elemental phosphorus
Another Fail :-(
I made a new double walled retort with a 3mm thick walled outer tube and silica ... |
5-10-2017 at 11:56
by: metalresearcher |
Preparation of elemental phosphorus
Now tried with carbon.
FAIL :-((
OVERHEATED !
6 Ca3(PO4)2 + 18 SiO2 (fine silica sand) + ... |
4-10-2017 at 11:29
by: metalresearcher |
Preparation of elemental phosphorus
[rquote=493524&tid=65&author=Magpie]I think the pops and bright flashes are phosphine, PH3, ... |
4-10-2017 at 08:50
by: metalresearcher |
Preparation of elemental phosphorus
Another try, I used black pyro Al powder instead of gray stabilized.
After Just a few minutes after ... |
3-10-2017 at 11:06
by: metalresearcher |
Preparation of elemental phosphorus
I watched your videos and tried it out.
I don't have NaPO3, but I have Ca3(PO4)2. I mixed 31 parts ... |
2-10-2017 at 11:34
by: metalresearcher |
Making white P on Youtube: how does this work ?
[rquote=493258&tid=77194&author=Σldritch]The "ideal" reaction is: 12 NaPO3 + 6 SiO2 + 20 Al ... |
30-9-2017 at 11:00
by: metalresearcher |
Making white P on Youtube: how does this work ?
I found a rather easy method to make white P4 using NaPO3 (metaphosphate), SiO2 and Al powder and so ... |
30-9-2017 at 07:32
by: metalresearcher |
carbon arc gouging electrodes
These electrodes can easily be obtained via eBay. I got 10 8mm rods of 30cm long for $20. They work ... |
25-9-2017 at 12:47
by: metalresearcher |
Na2CO3 + charcoal makes Sodium revisited
I tried it a few times, but I probably added too much charcoal.
I heated it 10-20 minutes to 1200 ... |
19-9-2017 at 12:29
by: metalresearcher |
Candles question
As far as I know, candles are usually paraffin (C31H64).
But sometimes I read about 'stearin' or ... |
16-9-2017 at 12:13
by: metalresearcher |
Radium extraction from watch hands
You'll get 1 microgram of Ra compound when you are lucky.
Read this page of [url=https://en.wikip ... |
16-9-2017 at 11:09
by: metalresearcher |
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