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Chemical way to make Calcium metal ?
I already tried these reactions but no Ca metal is formed. Only CaS as when keeping the residue outd ...
8-9-2014 at 10:05
by: metalresearcher
Furnace running on Natural gas reaches 1500 C
Today I tested a (really small) furnace made for propane use with a homemade natural gas burner with ...
7-9-2014 at 12:14
by: metalresearcher
Where is YTONG made from ?
I have been using this excellent construction material for high-temperature lab applications althoug ...
7-9-2014 at 05:29
by: metalresearcher
Chemical way to make Calcium metal ?
For Na and K I know chemical methods (although tedious because of air exclusion from the retort), bu ...
7-9-2014 at 04:50
by: metalresearcher
Another nail in the coffin of home chemistry (UK)
[rquote=344314&tid=33097&author=woelen]IIRC ammonium perchlorater already is covered by othe ...
5-9-2014 at 11:40
by: metalresearcher
Best-smelling chemicals
The 'typical' odor of ethanol. Of which I mean, the odorant of lens cleaning 96+% ethanol.
I thin ...
5-9-2014 at 09:53
by: metalresearcher
Crucible Furnace Concept
You mean two crucibles around each other like this (quick and dirty) sketch ?
Seems a nice idea, bu ...
2-9-2014 at 12:38
by: metalresearcher
Crucible Furnace Concept
[rquote=342489&tid=32813&author=careysub]
If instead of a plinth (crucible base) and outer ...
2-9-2014 at 11:09
by: metalresearcher
Another nail in the coffin of home chemistry (UK)
[rquote=343961&tid=33097&author=Magpie]I don't see how banning these OTC chemicals is going ...
2-9-2014 at 10:04
by: metalresearcher
Molten salt NaCl battery
Well, it is not that easy. NaCl melts at 801ÂșC and can be mixed with CaCl2 (as it happens in indust ...
12-8-2014 at 08:34
by: metalresearcher
Different Al grades for Thermite ?
[rquote=341261&tid=32483&author=blogfast25]For one, it's a rather poor comparison you're mak ...
11-8-2014 at 11:00
by: metalresearcher
Different Al grades for Thermite ?
Here the two bags of Al.
The first photo is the 'white one' got via eBay from a UK supplier, the ...
11-8-2014 at 08:46
by: metalresearcher
Different Al grades for Thermite ?
After some time I experimented again with Thermite.
I have two batches of Aluminum powder, a dark ...
10-8-2014 at 11:43
by: metalresearcher
Li battery fire crashed MH 370 ?
On CNN I found an interesting article:
http://edition.cnn.com/2014/03/25/opinion/adcock-flight-37 ...
27-3-2014 at 00:16
by: metalresearcher
Why is there no such compound as H3NO4 ?
Of other two group 15 nonmetal elements the main oxoacids are:
Phosphoric Acid: H3PO4
Arsenic Ac ...
22-3-2014 at 01:00
by: metalresearcher
Planet Mercury: Sodium and Oxygen in thin atmosphere ?
According to Wikipedia: https://en.wikipedia.org/wiki/Mercury_%28planet%29
[quote]
Atmosphere:
S ...
29-1-2014 at 04:15
by: metalresearcher
Propane burner smell
Sometimes when I use my blowtorch (e.g. when it is in a small furnace just started and the lid is cl ...
27-1-2014 at 12:14
by: metalresearcher
Potassium hydroxide vs. glass
Really ? I thought KOH is more aggressive towards glass than NaOH.
1-1-2014 at 13:01
by: metalresearcher
Make SO3 by oxidizing SO2 with KClO3?
Well, I thought about a setup with burning sulfur and leading the resulting SO2 over (molten) KClO3 ...
17-12-2013 at 12:49
by: metalresearcher
Making nitric acid
But now the question arises : how can one get Ca(NO3)2 ? Is it available in house / garden stuff?
6-12-2013 at 13:56
by: metalresearcher
What some interesting dangerous chemicals?
[rquote=309523&tid=27578&author=kristofvagyok]
And the best from the odorous compounds:
[ ...
1-12-2013 at 13:26
by: metalresearcher
What some interesting dangerous chemicals?
What about ClF3 ?
The Nazi Germans had a secret factory of this chemical in [url=https://en.wikip ...
1-12-2013 at 12:28
by: metalresearcher
Synthesis of calcium carbide with electric arc
@bfesser: Yes, I try to improve the process.
The lime I used turned out to be slaked lime Ca(OH)2. ...
30-11-2013 at 13:56
by: metalresearcher
Synthesis of calcium carbide with electric arc
Well here I did a test of the chunks into water and got a nice acetylene flame !
<iframe width ...
30-11-2013 at 10:46
by: metalresearcher
Flash Powder with KNO3
I tried it with turnings see this video:
https://www.youtube.com/watch?v=9p2nyOn_CAc
I tried w ...
29-11-2013 at 12:05
by: metalresearcher
[Next Page]
Sciencemadness Discussion Board
» Search
Select A Forum
Fundamentals
» Chemistry in General
» Organic Chemistry
» Beginnings
» Responsible Practices
» Miscellaneous
Engineering and Equipment
» Reagents and Apparatus Acquisition
» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
» Radiochemistry
» Computational Models and Techniques
Literature and Documentation
» Sciencemadness Wiki
» Prepublication
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» Forum Matters
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