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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 |
Inductor and capacitor for rectifier output filter
[rquote=691337&tid=160171&author=wg48temp9]
That looks very optimistic. 100A for 10ms is 1C ... |
4-3-2024 at 08:33
by: Sulaiman |
Inductor and capacitor for rectifier output filter
[rquote=690978&tid=160171&author=yobbo II]. I want to know how you would calculate or estima ... |
3-3-2024 at 09:41
by: Sulaiman |
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