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How to cut 1oz silver bar into pieces that will fit in a test tube
Melt it and pour the molten metal into a large bucket of cold water. It will produce granules of sil ... |
30-10-2020 at 08:50
by: phlogiston |
Seperating zinc, lead & iron in an economican and "easy" method?
Melting just for identification sounds rather energy inefficient and time consuming to me.
[quote ... |
30-10-2020 at 07:03
by: phlogiston |
DIY acid washed sand changed color unexpectedly
If the impurities don't leach out after all of these different extreme treatments, it seems unlikely ... |
28-10-2020 at 14:22
by: phlogiston |
This is mandatory stuff for (amateur) chemists (Safety)
I don't think we should be bashing his video's here. He's doing amateur chemistry, and that's great. ... |
27-9-2020 at 17:33
by: phlogiston |
Strange explosive vapor. I call (Poppy gas) named as a kid
I don't think this yields 'chloorknalgas' (as we call it in Dutch), which is simply a stoichiometric ... |
3-9-2020 at 14:46
by: phlogiston |
Catalalytic effects of radioactive decay
I think Heptylene's logic in [url=https://www.sciencemadness.org/whisper/viewthread.php?tid=155283#p ... |
17-8-2020 at 17:24
by: phlogiston |
Intensely colored explosives?
ammonium dichromate can be detonated, does that count?
picramic acid is brick red
tetrasulfur ... |
24-7-2020 at 04:01
by: phlogiston |
Pretty Pictures (2)
[rquote=641267&tid=26378&author=Herr Haber][rquote=641091&tid=26378&author=phlogisto ... |
24-7-2020 at 03:44
by: phlogiston |
Why doesn't anyone use glove boxes for things like fluorine?
Draeger, are you talking about amateur or professional labs?
Watching some videos of professional ... |
23-7-2020 at 16:57
by: phlogiston |
Nitrates in decent yield from the oxidation of melamine by calcium hypochlorite
There are many countries in which firecrackers or other potential sources of nitrates are simply una ... |
21-7-2020 at 03:03
by: phlogiston |
Pretty Pictures (2)
Belowzero, I was pleasantly surprised by the picture quality too, considering I used a 12-year old s ... |
20-7-2020 at 16:24
by: phlogiston |
Pretty Pictures (2)
A macro shot of an uranium mineral under short wave UV light.
The field of view is about 5 mm and t ... |
19-7-2020 at 15:23
by: phlogiston |
Simple exploding wire apparatus for nanopowders
You may have already read it, but if not you may find the following article by Steve Hansen interest ... |
11-7-2020 at 15:23
by: phlogiston |
Why does Radium form a nitride and not oxide?
It is discussed on [url=https://www.chemguide.co.uk/inorganic/group2/reacto2.html]this page[/url].
... |
11-7-2020 at 14:17
by: phlogiston |
What phenomenon this is?
I think you may have observed so-called antibubbles.
Sounds like a joke, but it is not: https://e ... |
30-6-2020 at 14:26
by: phlogiston |
Working with lead compounds
I use a combination of:
(1) Extra regard to lab hygiene. Work as cleanly and neatly as possible. Cl ... |
25-6-2020 at 13:41
by: phlogiston |
laboratory inventory auction
I came across this auction for laboratory inventory and thought some of you might be interested:
... |
25-6-2020 at 12:53
by: phlogiston |
Mining highly active Uranium ore
Thanks for posting, I've been curous about that area.
Any plans to extract U from the ore?
I ... |
7-5-2020 at 03:53
by: phlogiston |
About some details of the Birkeland-Eyde nitric acid synthesis
[quote]I have a very limited understanding of how electricity works.[/quote]
Note that this is li ... |
6-4-2020 at 13:25
by: phlogiston |
Suggestion : Buy yourself an oxygen generator NOW
These machines go for much higher prices at the moment though. |
25-3-2020 at 02:44
by: phlogiston |
Sodium permanganate
[quote]The question is : will Ca(OCl)2 disproportionate into chlorate upon heating in solution?[/quo ... |
24-3-2020 at 16:05
by: phlogiston |
DIY C-virus masks. No politics, science only so we don't lose the thread again
[rquote=633001&tid=155059&author=RogueRose]
How long does UV take to kill viruses? I would ... |
24-3-2020 at 03:23
by: phlogiston |
Filter "cartridge" from homemade materials
Gore-tex maybe?
You probably need a pretty large surface area of that though to allow enough air to ... |
17-3-2020 at 07:24
by: phlogiston |
Blue gases?
Potassium gas is deep blue. The blue color is very easily visible when distilling potassium. |
14-3-2020 at 04:03
by: phlogiston |
Original Jack Roberts compounds
The label on the ampoule with the 14C-labeled compound is marked 4/29/53, which I presume is a date. ... |
10-3-2020 at 14:50
by: phlogiston |
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