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Extracting uranium from fiestaware
Looks like a 60's nut dish, Brazil, Hazel, Wallnuts etc.
With a nut-cracker in the middle.

Even ...
5-4-2024 at 06:50
by: Sulaiman
Concentrating storebought 15% muriatic acid
Is 30% actually required (eg vs double quantity of 15%)?

Store bought muriatic acid is likely to ...
26-3-2024 at 15:06
by: Sulaiman
Wow!.. What an amazing first post
Welcome.

Nice work there.

I'm impressed and keen to see your progress.
26-3-2024 at 14:33
by: Sulaiman
Illuminating Gasampules
There are forums for this but..
I recommend a bleeder resistor for each capacitor
(or at least fo ...
26-3-2024 at 10:12
by: Sulaiman
Oops! sorry, I deleted the post to fix it then more posts appeared.. SORRY
Chromium(III)chloride octahydrate, dehydrated to green hexahydrate?
24-3-2024 at 06:27
by: Sulaiman
DIY spectrometer resolution
The second peak seems to be due to the optical abberation artefact down and right of the main image ...
23-3-2024 at 14:35
by: Sulaiman
DIY spectrometer resolution
The top image shows some of your challenges,
. not a clear/sharp/focused image of the slit
. haze/ ...
23-3-2024 at 08:13
by: Sulaiman
Minor detail ;)
Zn + 2 MnO2 + H2O → Mn2O3 + Zn(OH)2

So in a fresh battery you would try to retrieve zinc and ma ...
21-3-2024 at 12:29
by: Sulaiman
DIY spectrometer resolution
One more thought... Diffraction grating quality.

One of the features of the grating that I bought ...
21-3-2024 at 07:30
by: Sulaiman
Suggestions on vacuum pump purchase
With recirculating pump <1kg, but still expensive if I had to buy it.
(according to one of my t ...
19-3-2024 at 09:11
by: Sulaiman
Suggestions on vacuum pump purchase
I don't recommend using a peristaltic pump for vacuum,
but if it's all you've got....

The pumps ...
18-3-2024 at 10:06
by: Sulaiman
Separating Zinc Sulfate from Manganese Sulfate with old Zinc Carbon battery as the starting material
+1 for the mechanical separation.
I have a couple of zinc pots from a 6v 'lantern battery' only sli ...
16-3-2024 at 14:36
by: Sulaiman
Recrystallization and stirring
Crystallization/recrystallization has been discussed a few times here,
due to my early experience ( ...
16-3-2024 at 07:17
by: Sulaiman
Recrystallization and stirring
I've noticed that 'crashing out'/rapid crystallisation is very likely to trap/entrain liquid
in my ...
16-3-2024 at 05:59
by: Sulaiman
Illuminating Gasampules
In that case, best wishes and good luck.
A large sstc may arc over gas sample phials,
The first mo ...
15-3-2024 at 14:15
by: Sulaiman
Dissolving Manganese Dioxide in Sulfuric Acid?
In a textbook/lab/home/classroom context
unless otherwise specified
"concentrated sulphuric acid" ...
15-3-2024 at 05:56
by: Sulaiman
Illuminating Gasampules
An sstc is ok if you copy a working design,

Frankly, if you do not have access to an oscilloscope ...
15-3-2024 at 04:59
by: Sulaiman
Illuminating Gasampules
I have played with a couple of these
https://www.ebay.co.uk/itm/353994827404
Very nice, and cheap. ...
15-3-2024 at 03:50
by: Sulaiman
Purification by crystallisation question(s)
I've done a few recrystallizations,
in the case of silver nitrate I had to do many to [i]visually[/ ...
14-3-2024 at 10:17
by: Sulaiman
Just popped into my head
Chromatic abberation may be significantly compensated for
using a simple lens
if the lens and sens ...
14-3-2024 at 06:42
by: Sulaiman
Dissolving Manganese Dioxide in Sulfuric Acid?
In Wikipedia, manganese dioxide, reactions

Hot concentrated sulfuric acid reduces MnO2 to mangane ...
14-3-2024 at 05:43
by: Sulaiman
My Tungsten Boat Snapped!
Are you doing these tests in a vacuum?
I thought sputtering/evaporative coating is only done under ...
13-3-2024 at 14:38
by: Sulaiman
Repeat the experiment, try a few variables?
13-3-2024 at 09:50
by: Sulaiman
burnt through steel crucible?
There will also be lots of stuff in the furnace due to burning charcoal,
especially if not fully ch ...
13-3-2024 at 07:23
by: Sulaiman
Recrystallization and stirring
When the desired substance crystallises out
the ratio of impurities to product in the immediately s ...
13-3-2024 at 07:00
by: Sulaiman
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