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Boiling HNO3 plus even hotter cooking oil ?
So far I have not broken any jointed glassware in use,
(shipping and wasing/drying/storing is where ...
18-1-2019 at 07:02
by: Sulaiman
Glassware safety with 22.5 micron vacuum pump
I filter at 0.2 to 0.3 bar, depending on the condition of my little vacuum pump on the day,
lower p ...
18-1-2019 at 06:50
by: Sulaiman
DIY Heating Mantle (How To Build It)
My cake tin enclosure for my mantle is earthed and as WG48 mentioned, it is a good idea, but if not ...
18-1-2019 at 06:40
by: Sulaiman
Boiling HNO3 plus even hotter cooking oil ?
I've used sand, salt, sand+salt as a heating bath for my 10/19 kit and it was slow, since then I've ...
18-1-2019 at 06:14
by: Sulaiman
DIY Heating Mantle (How To Build It)
The fibreglass wool looks similar to some that I tried for my diy mantle,
the yellowness is some ch ...
17-1-2019 at 18:34
by: Sulaiman
Glassware safety with 22.5 micron vacuum pump
This is a useful resource for b.p. vs. pressure
https://www.sigmaaldrich.com/chemistry/solvents/le ...
17-1-2019 at 17:37
by: Sulaiman
How to clean up Active Charcoal in the lab?
Piranha Solution is the only thing that I've used to eat carbon,
but I certainly would not use it i ...
17-1-2019 at 12:58
by: Sulaiman
Glassware safety with 22.5 micron vacuum pump
There is negligible difference between 1mm Hg pressure and a perfect vacuum - in terms of stress on ...
17-1-2019 at 12:37
by: Sulaiman
Boiling HNO3 plus even hotter cooking oil ?
If I were to distill near azeotropic nitric acid from a 2l rbf in a cooking oil bath,
and the rbf b ...
17-1-2019 at 04:42
by: Sulaiman
Strange earthing problem
Check for ac voltage between wall socket earth and your physical earth,
by physical earth I mean yo ...
17-1-2019 at 00:37
by: Sulaiman
Strange glassware
Complete guess;
knob to control heating of something to produce a gas that passes through a filter ...
16-1-2019 at 05:05
by: Sulaiman
Pump oil for Rotary Vane - What grade?
I've only done one oil change for my Chinese HVAC dual-stage rotary vacuum pump, so not reliable adv ...
15-1-2019 at 08:38
by: Sulaiman
Power Supply from Model Train Control
A used Train Controller ... Excellent idea !

1) The unit is designed to be intrinsically 'safe' f ...
13-1-2019 at 06:20
by: Sulaiman
Good deal on hot plate on ebay
I've not tried one of those hotplates but surely the temperature is set by the front panel push butt ...
13-1-2019 at 04:43
by: Sulaiman
Flash powder help!
very fine Mg powder is available via eBay uk, as is potassium permanganate,
which can be ground to ...
13-1-2019 at 01:19
by: Sulaiman
Relation between solubility and temperature
The file is just a version of the Wikipedia page https://en.wikipedia.org/wiki/Solubility_table

...
12-1-2019 at 08:05
by: Sulaiman
Relation between solubility and temperature
the van 't Hoff equation seems to be applicable only over a range of temperature that needs to be ch ...
12-1-2019 at 01:41
by: Sulaiman
Everyday Chemistry (provisional)
[rquote=580154&tid=84298&author=TheMrbunGee]Made a [url=https://youtu.be/yTxoqTeNs3k]Video[/ ...
11-1-2019 at 14:38
by: Sulaiman
Relation between solubility and temperature
Most things approximately double for every 10[sup]o[/sup]C change,
https://en.wikipedia.org/wiki/Ar ...
10-1-2019 at 10:18
by: Sulaiman
Robot arm manipulation - for risk aversion with energetic materials
I guess the BIG app in chemistry for such an arm would be in a secure location,
operated by remote ...
9-1-2019 at 04:06
by: Sulaiman
Just a copy available for later introspection
[rquote=579386&tid=125830&author=hissingnoise][rquote=579143&tid=125830&author=Sulai ...
8-1-2019 at 13:34
by: Sulaiman
Brexit effect - reagent dry up from/to the UK
[rquote=579327&tid=125830&author=Metacelsus]I'm currently working in an academic lab at Camb ...
8-1-2019 at 09:37
by: Sulaiman
Brexit effect - reagent dry up from/to the UK
I doubt that BREXIT will significantly change the flow of imports from China, or impede my supplies ...
8-1-2019 at 02:51
by: Sulaiman
Safe disposal of wastes
The Swedish sewer detectors for explosives related chemicals would be of little use in uk.
They wou ...
8-1-2019 at 02:05
by: Sulaiman
My half-assed electrolysis tank
I think that sodium bicarbonate is a perfect choice;
. no chemophobia
. no strong caustic solution ...
6-1-2019 at 18:18
by: Sulaiman
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