Sciencemadness Discussion Board
Not logged in [Login - Register]
Go To Bottom

Search
[Next Page]
Boiling HNO3 plus even hotter cooking oil ?
[rquote=589344&tid=131379&author=fusso][rquote=589343&tid=131379&author=Sulaiman]Aqu ...
22-1-2019 at 13:17
by: Sulaiman
Boiling HNO3 plus even hotter cooking oil ?
Aqua Regia at 120+ [sup]o[/sup]C ... mmm

D'oh ! ... see below

[Edited on 22-1-2019 by Sulaiman]
22-1-2019 at 12:40
by: Sulaiman
Boiling HNO3 plus even hotter cooking oil ?
[rquote=589087&tid=131379&author=fusso]What about a "soda" bath? Use Na2CO3 in place of sand ...
22-1-2019 at 08:45
by: Sulaiman
US source for Dufton, Bruun or Pear bulb columns?
I'm confused,
do you want columns for a collection of different types for display or education?
o ...
22-1-2019 at 02:52
by: Sulaiman
Elemental Mercury from cinnabar
My HgS sample is not soluble in a test tube with either boiling IPA or boiling water.
I heated the ...
21-1-2019 at 14:29
by: Sulaiman
US source for Dufton, Bruun or Pear bulb columns?
Part numbers for Quickfit Dufton columns
https://www.scilabware.com/en/quickfit-fractionating-colu ...
21-1-2019 at 00:54
by: Sulaiman
Resistant labels
So far I have found a few problems with labels;
. label falls off
. label gets erroded
. label ge ...
20-1-2019 at 02:57
by: Sulaiman
Elemental Mercury from cinnabar
Slightly annoying ... I can't think of a method of measuring the density of this 2g sample as I have ...
19-1-2019 at 15:43
by: Sulaiman
Elemental Mercury from cinnabar
I recently received 2g cinnabar for £0.99
https://www.ebay.co.uk/itm/2g-Natural-Red-Cinnabar-Sing ...
19-1-2019 at 11:51
by: Sulaiman
testing a round bottom flask
Can you post one or more photographs ?
19-1-2019 at 08:45
by: Sulaiman
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
[Next Page]

  Go To Top