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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 |
Lithium thionylchloride battery salvage I just checked the datasheet for the cells; Li/MnO[sub]2[/sub]
Well spotted - thanks |
13-3-2024 at 02:14 by: Sulaiman |
Lithium thionylchloride battery salvage I just came across my box of batteries!
Not as many as I thought - 14 pieces.
I took the wrapper ... |
12-3-2024 at 13:11 by: Sulaiman |
Suggestions on vacuum pump purchase If the equipment volume is <1 litre,
and you have some patience,
Peristaltic pumps can produce ... |
11-3-2024 at 03:16 by: Sulaiman |
Vanadium redox flow battery YouTube: 'Can't load link' |
11-3-2024 at 00:12 by: Sulaiman |
DIY spectrometer resolution [rquote=691464&tid=160205&author=Ubya]... this is the janky spectrophotometer I've been play ... |
11-3-2024 at 00:05 by: Sulaiman |
Suggestions on vacuum pump purchase I'm not expert but I think that a good combination may be
An aspirator and a bottle of argon gas (w ... |
10-3-2024 at 23:49 by: Sulaiman |
DIY spectrometer resolution A longer focal length lens will project a larger image.
All lenses introduce multiple non-ideal b ... |
10-3-2024 at 11:22 by: Sulaiman |
DIY spectrometer resolution Try watching the video from the camera using a monochromatic light source,
adjust your optics for t ... |
9-3-2024 at 02:20 by: Sulaiman |
Definition of "melting point" https://en.wikipedia.org/wiki/Melting_point |
8-3-2024 at 11:45 by: Sulaiman |
Aluminum soaps Please excuse my ignorance but what is aluminium soap for?
A quick google gave mostly results for a ... |
5-3-2024 at 03:49 by: Sulaiman |
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