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Create a carbon free electric arc ?
No, it is purely the vaporizing carbon which is contaminating the steel. But can I just use a tungst ...
10-9-2020 at 12:06
by: metalresearcher
Create a carbon free electric arc ?
I do sometimes (stainless) steel melting with my DC welder and carbon rods. That works well, but, ev ...
10-9-2020 at 10:19
by: metalresearcher
Best place to get glassware in Germany?
I ordered there some glassware.

https://www.neubert-glas.de/

More expensive than AliExpress or ...
2-9-2020 at 11:10
by: metalresearcher
Making Scientific Glassware
[rquote=644015&tid=156103&author=Morgan]A quartz flask method.
https://youtube.com/watch?v= ...
2-9-2020 at 11:07
by: metalresearcher
Chlorate from pool chem?
[rquote=644097&tid=10727&author=phys_geek]gr8 thread everybody.

Is this method good to ma ...
2-9-2020 at 09:04
by: metalresearcher
Dry Glass with Heatgun ?
[rquote=643996&tid=156109&author=Fyndium][rquote=643933&tid=156109&author=Metacelsus ...
1-9-2020 at 09:06
by: metalresearcher
DIY burners and torches
[rquote=643908&tid=156100&author=wg48temp9]Junk_Enginerd@

Yes, I was forced to use a larg ...
31-8-2020 at 22:10
by: metalresearcher
DIY burners and torches
If you don't use it very often, there are oxypropane burner brazing / welding kits for $100, with di ...
31-8-2020 at 02:14
by: metalresearcher
Making H2SO4 from gypsum and silica ?
On wiki I found
https://en.wikipedia.org/wiki/Calcium_sulfate#Other_uses

[quote=wikipedia]
Up ...
23-8-2020 at 22:01
by: metalresearcher
Preparation of elemental phosphorus
I succeeded.

I heated 7g (NaPO3)6 + 3g Al + 2g silica sand in a steel tube retort with a copper t ...
15-7-2020 at 11:30
by: metalresearcher
Finally I isolated Sodium (and potassium)
And now I got potassium in nice silvery beads !
I used KCl obtained from K2CO3 dissolved in HCl sol ...
1-7-2020 at 10:53
by: metalresearcher
Where to get a short path destillation head in Germany?
Try ebay.com instead of ebay.de. More choice.

Aliexpress is an option and another good supplier i ...
30-6-2020 at 21:42
by: metalresearcher
Finally I isolated Sodium (and potassium)
[rquote=639525&tid=155687&author=Belowzero]Nice experiment !

KCl can be cheaply obtained ...
30-6-2020 at 09:17
by: metalresearcher
Finally I isolated Sodium (and potassium)
As requested, here pictures of my retort.

It is a 3/4" 3mm thick steel pipe, 80mm long, squeezed ...
29-6-2020 at 21:47
by: metalresearcher
Finally I isolated Sodium (and potassium)
I have some Li metal and found a Youtube video of a guy distilling K from KCl + Li metal.
I repeate ...
29-6-2020 at 11:55
by: metalresearcher
Preparation of elemental phosphorus
Three yars later I stumbled upon this thread and found my failed attemps te make P4 in a 1400 C reto ...
22-6-2020 at 06:31
by: metalresearcher
What happened to AlloyAvenue forums ?
I was an active member at the forum section of www.alloyavenue.com about casting, metal melting and ...
2-6-2020 at 12:32
by: metalresearcher
Extracting Magnesium from Wood Ash
Forget it. Mg is harder to isolate than K or Na.
2-6-2020 at 12:26
by: metalresearcher
What type of vessel to use for MELTING NaOH or KOH at 1200C?
Probably these bases will decompose in Na2O resp. K2O and water vapor at these temperatures. Or woul ...
2-6-2020 at 12:14
by: metalresearcher
Buying chemicals in Poland "OTC"
[rquote=635555&tid=152908&author=mackolol]Hadron scientific is quite good company, I order f ...
8-5-2020 at 08:40
by: metalresearcher
Methanol from denatured spirit ?
Recently I distilled the blue household spirit for testing my newly obtained 30cm Vigreux column.
...
3-5-2020 at 11:44
by: metalresearcher
Separating lead and tin metal?
Without fumehood and outdoor experiments it will be difficult. Sn and Pb are very intimately alloyed ...
18-4-2020 at 09:24
by: metalresearcher
[Q]: How can I remove this stopper from the distiller ?
I have been using this distiller for years. It works great, particularly with the water cooling.
Bu ...
18-4-2020 at 09:19
by: metalresearcher
Isolate Mn metal from MnO2 + Al thermite
I tried it again. Now I used 1.5g Al powder and 3g MnO2 and 1.5g SiO2 as moderator. The reaction ran ...
26-3-2020 at 12:08
by: metalresearcher
Isolate Mn metal from MnO2 + Al thermite
I tried this experiment in a 2:1 MnO2 + Al stoichiometric mixture and it indeed reacted quickly. but ...
26-3-2020 at 00:08
by: metalresearcher
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