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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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