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Birkeland Eyde apparatus synthesized an unknown compound.
Is it soluble in water?
24-3-2019 at 13:38
by: phlogiston
unknown substance identification equipment
Often, you already have a clue in what direction to think if you know where the substance came from ...
22-3-2019 at 03:45
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
Interesting colour effect. Theories?
Effects like that shown in the video look cool indeed. Because of that, it might cause more youth to ...
27-1-2019 at 19:04
by: phlogiston
Sea water@£60/l at Amazon
[rquote=590468&tid=134039&author=Sulaiman]There is more in sea water than H[sub]2[/sub]O and ...
24-1-2019 at 06:37
by: phlogiston
Pbo2 solubility?
Heating it will convert it to lower oxides of lead that dissolve more readily in acid.
The exact ox ...
22-1-2019 at 02:08
by: phlogiston
extraction of copper from pcb
Oxygen/air also can help dissolve the copper, but it is slow unless you actively bubble air through ...
22-1-2019 at 02:00
by: phlogiston
Is $32 dollars for 500g of Sodium chlorate expensive?
Not a bad price, and you are lucky to be able to purchase it at all. It is not sold to the public at ...
20-1-2019 at 14:08
by: phlogiston
How to clean up Active Charcoal in the lab?
+1 on detergent solution.

just warm water with dishwasher soap is quite effective for cleaning ch ...
18-1-2019 at 03:41
by: phlogiston
Whatever happened to Doug's Lab..?
Texium mentioned as recently as last november that he knew that Doug was OK, just busy.
Having youn ...
17-1-2019 at 03:23
by: phlogiston
Ferric Ammonium Citrate Disposal
You don't mention the concentration.

I don't think you need to be overly worried about its toxici ...
13-1-2019 at 09:10
by: phlogiston
Power Supply from Model Train Control
But you do have control over the 'amperage' (more properly 'current').
The current is related to vo ...
13-1-2019 at 03:42
by: phlogiston
does a p100 gas mask protect against sulfur dioxide
I think many of us can relate. I think you'll fit in here very well, and in a few years you'll see t ...
9-1-2019 at 03:08
by: phlogiston
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