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Portable DC source for electric arc-Ruby synthesis by the Henry Moissan method
I tried using a DC welder, using a block of graphite as anode and a carbon rod as cathode.
That wor ...
25-12-2022 at 12:51
by: metalresearcher
Tungsten rod not pure ?
[quote]You need to look for welding electrodes. [/quote]
Something like this from Amazon ?
https:/ ...
25-12-2022 at 00:40
by: metalresearcher
Tungsten rod not pure ?
For using as an anode for an electric arc furnace I ordered two W rods of 200mm long x 5mm diameter. ...
24-12-2022 at 11:29
by: metalresearcher
School Science Accidient
Doing such experiments (I do such as well, like Thermite, etc) requires, which I do:

* Do it outd ...
27-11-2022 at 03:19
by: metalresearcher
Confusion on SO3 Synthesis
The [url=https://en.wikipedia.org/wiki/Potassium_persulfate]largest online chemistry textbook [/url] ...
13-11-2022 at 07:58
by: metalresearcher
Lithium from Li2CO3 electrolysis ? It failed.
According to the phase diagram Li2CO3 - K2CO3, there is a minimum liquidus of this 'alloy' at 500 C ...
6-11-2022 at 03:01
by: metalresearcher
AuReMo: Source for various metals ?
On the forums.thehomefoundry.org forum someone posted this about an EU based metals source.

https ...
15-10-2022 at 10:23
by: metalresearcher
Does the island of stability really exist ?
[rquote=676727&tid=156824&author=BromicAcid]metalresearcher, the whole point of the island o ...
16-9-2022 at 08:58
by: metalresearcher
Does the island of stability really exist ?
[rquote=676691&tid=156824&author=BromicAcid]It's a lot different making useful quantities of ...
15-9-2022 at 08:33
by: metalresearcher
Will Na-ion batteries eventually replace Li-ion ?
This [url=https://en.wikipedia.org/wiki/Sodium-ion_battery]online chemistry textbook page[/url] tell ...
14-9-2022 at 08:20
by: metalresearcher
Does the island of stability really exist ?
[rquote=676676&tid=156824&author=BromicAcid][b]I think it's there and some interesting eleme ...
14-9-2022 at 08:16
by: metalresearcher
Does magnesium carbide (MgC2 ?) exist ?
The well-known calcium carbide must have a Mg equivalent as it is in the same Alkali Earth metals gr ...
25-7-2022 at 10:53
by: metalresearcher
Sealing bromine in an ampoule: how to ?
After making Br2 I want to seal it in an ampoule. I have 10mm (wall thickness 1mm) borosilicate tube ...
12-6-2022 at 08:07
by: metalresearcher
Is it reasonable to modify/crack paraffin candle wax to achieve different viscosity?
[rquote=674018&tid=158637&author=j_sum1]I have cracked parafin wax before using chips of cro ...
5-6-2022 at 06:22
by: metalresearcher
Where do nice colors in nature originate from ?
Normally, bright colors result from heavy metal salts, but the bright colors (red, orange, yellow, p ...
26-5-2022 at 23:10
by: metalresearcher
Source for Germanium metal ?
For making a silver alloy I need some Ge 'metal'. I got something from ebay 8 years ago, but I need ...
20-2-2022 at 09:51
by: metalresearcher
Is there an interest of rare metals?
[rquote=670906&tid=158361&author=woelen]Pricewise, only for gold and silver (and to a lesser ...
11-2-2022 at 03:09
by: metalresearcher
OMG some people can still buy sodium nitrite on the internet
[rquote=670706&tid=158348&author=SWIM]What a bunch of idiots run Ebay.

They still sell re ...
5-2-2022 at 01:39
by: metalresearcher
My first little incident
Intereseting. I tried it, but no flash powder, but it did react and probably some phosphorus appeare ...
31-1-2022 at 08:21
by: metalresearcher
Make Phosphorus from Ca phosphate and Mg powder ?
The topic about the guy "Kobold vor NH4" who got burns on his arm with an attempt making phosphorus ...
31-1-2022 at 08:20
by: metalresearcher
My first little incident
Probably a combination of H2 and Mg, because Mg alone does not explode or burn violently, unless you ...
30-1-2022 at 12:56
by: metalresearcher
My first little incident
Looks like an hydrogen / air explosion. The NH4H2PO4 decomposes upon heating, leaving H3PO4 and NH3 ...
29-1-2022 at 09:42
by: metalresearcher
Interesting white flare composition (Breslau Fire)
Crushed drywall with Aluminum powder also works awesome.
Drywall is rather pure CaSO4.

I didn't ...
27-1-2022 at 05:14
by: metalresearcher
Is liquid carbon ever prepared ?
Literature says that Carbon does not melt under ambient pressure, but sublimes at 3700 C. Over 10 GP ...
18-1-2022 at 12:52
by: metalresearcher
NFPA 704 of water ?
The NFPA 704 rating of chemicals, displayed in a diamond shaped icon says about :

Blue (left): ...
14-1-2022 at 10:34
by: metalresearcher
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