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How to kill or at least repel or block ants?
Dishwasher soap blocks the ants we have here quite well. |
6-5-2019 at 10:36
by: phlogiston |
Identification of a mystery metal
I remember a thread where someone found a mystery metal rod, which turned out to be actual platinum. ... |
4-5-2019 at 12:26
by: phlogiston |
Future-gazing: available now, restricted tomorrow?
I predict that there will not be anything OTC containing cadmium in 10 years time.
Americium-contai ... |
26-4-2019 at 04:30
by: phlogiston |
First yield of KClO3 from my cell
A porcelain crucible is often suggested.
You'll mainly want to make sure that the melt is free from ... |
26-4-2019 at 04:25
by: phlogiston |
In search of fading pigments
rhodopsin
methylene blue
You can also combine a radical-generating photoiniatior (eg benzoylpero ... |
23-4-2019 at 05:38
by: phlogiston |
The Colors of Uranium
Sulfuric acid is used commercially to leach uranium from pitchblende and other ores, and should be a ... |
15-4-2019 at 02:28
by: phlogiston |
The Colors of Uranium
The periodic video's channel now has a video showing compounds of berkelium, curium, plutonium, nept ... |
12-4-2019 at 05:12
by: phlogiston |
Community Project - Destroy a funnel!
Tie a knot in the stem.
Or pack it really well, drop it from a high building. Then unpack it and ... |
31-3-2019 at 14:46
by: phlogiston |
U and Th
For many element collectors, a few micrograms suffice. Just enough Ra-containing barium to be detect ... |
29-3-2019 at 03:52
by: phlogiston |
scrap zirconium souces
If it is, the hafnium content should be exceptionally low (<0.02%)
Would be interesting to check ... |
29-3-2019 at 03:35
by: phlogiston |
U and Th
Nice video, thanks for sharing.
If you also want to isolate radium from the same sample the pitch ... |
29-3-2019 at 03:28
by: phlogiston |
Birkeland Eyde apparatus synthesized an unknown compound.
Is it soluble in water? |
24-3-2019 at 13:38
by: phlogiston |
Cleaning copper oxides from Native Copper?
dilute sulfuric acid should work too. Don't use concentrated sulfuric acid. |
19-3-2019 at 02:35
by: phlogiston |
Is Cody's method of extracting iodine from seaweed cost efficient on that scale?
It's impossible to answer this question because it depends on your cost for reagents, energy, etc.
... |
18-3-2019 at 03:00
by: phlogiston |
Is potassium 40 ever isolated ?
To go from 0.014 to 4% take a lot more work than to go from 4% to 90+%, because you only have proces ... |
13-3-2019 at 20:34
by: phlogiston |
Nitric acid spill
That one goes into my list of 'you know when you are an amateur chemist when ...'
... you rus ... |
12-3-2019 at 03:29
by: phlogiston |
So what the hell happened?
Why would you even want to crystallize the copper(II)nitrate? You could precipitate the hydroxide fr ... |
12-3-2019 at 03:23
by: phlogiston |
Decent cell build....
Interesting, the processes taking place at the anode are apparently a lot more complicated than I im ... |
11-3-2019 at 08:28
by: phlogiston |
Glassware is Slowly Breaking under Vacuum... Safety?
I'd definately consider the possibility of an implosion. Better be safe than sorry. Shrapnell from a ... |
21-2-2019 at 02:53
by: phlogiston |
Possible nitric acid production
[quote]
Ca(OH)2+2NH4NO3->Ca(NO3)2+NH3+H2O (This is the step I am unsure about)
[/quote]
Shou ... |
20-2-2019 at 09:03
by: phlogiston |
How can I regulate current density in electrolysis cell? (chlorate cell)
You can think of the cell electrically as a diode in series with a resistor.
The 'diode drop' is ... |
17-2-2019 at 13:26
by: phlogiston |
Passivation of MMO anode?
It has become saturated with chlorate.
Harvest the chlorate by cooling the electrolyte and removi ... |
17-2-2019 at 13:02
by: phlogiston |
Man melting dental fillings for silver ends up exposing entire apartment building to mercury
There was some Quicksilver for sure. |
12-2-2019 at 10:17
by: phlogiston |
Lead acetate decahydrate?
Lead carbonate can still become soluble in the acidic environment of the stomach.
I've also used ... |
8-2-2019 at 05:14
by: phlogiston |
Purple Iron Compound?
No answer for your question, but if we are talking about purple iron compounds:
(2-hydroxyethyl) ... |
28-1-2019 at 05:14
by: phlogiston |
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