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Sulfur experiment ideas
[rquote=613170&tid=150205&author=Chemi Pharma]Just to prove my point of view, against the fa ...
21-5-2019 at 06:35
by: phlogiston
Sulfur experiment ideas
[rquote=613109&tid=150205&author=Chemi Pharma]
You're absolutely wrong!

I Challenge you ...
20-5-2019 at 12:31
by: phlogiston
Sulfur experiment ideas
[rquote=612946&tid=150205&author=Chemi Pharma]I liked the idea of make Gunpowder. I did that ...
19-5-2019 at 15:49
by: phlogiston
Piranha solution from sodium percarbonate
[rquote=612863&tid=149964&author=Dragonjack12]Sadly you will probably just get sodium sulfat ...
19-5-2019 at 15:43
by: phlogiston
Help wanted ... calibrating a 2kg F1 calibration weight.
For very accurate weights, washers, nuts and bolts are not very suitable because they can easily bec ...
17-5-2019 at 00:50
by: phlogiston
Help wanted ... calibrating a 2kg F1 calibration weight.
I'd be happy to measure it to 10 mg accuracy on a scale that is traceable to a primary standards, an ...
15-5-2019 at 12:24
by: phlogiston
Cleaning Marble
We have a rust-removal product here that I found quite effective and is safe to use on marble.
http ...
13-5-2019 at 04:52
by: phlogiston
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
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
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