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latest glassware purchase
For most distillations I use one of the cheap Chinese thermometer adapters with plastic screw top an ...
19-11-2017 at 08:11
by: Sulaiman
Slightly off topic but similar
I have quite a few common chemicals that I have previously made up as a 'kit' for a temporary member ...
19-11-2017 at 06:35
by: Sulaiman
The Short Questions Thread (4)
Thanks for the quick responses,
Today a workmate gave me a 1" 24" x24" slab of white plastic that h ...
16-11-2017 at 10:49
by: Sulaiman
The Short Questions Thread (4)
Thermocouples with digital readout are easier to read than conventional thermometers but not as accu ...
16-11-2017 at 09:22
by: Sulaiman
Vacuum pump protection
just a side note;
a single stage oil sealed rotary vane vacuum pump and a dual stage create almost ...
12-11-2017 at 22:55
by: Sulaiman
A Pump capable of Pumping Exotic Fluids
Why not just use a cold trap/finger type of condenser ?
this would not need a pump
e.g. https://ww ...
10-11-2017 at 16:37
by: Sulaiman
A Pump capable of Pumping Exotic Fluids
A few months ago I bought some peristaltic pumps for use with my distillation rig,
six ex-dairy pum ...
9-11-2017 at 22:42
by: Sulaiman
Vigreux and reflux column combo. Custom piece
[rquote=496441&tid=78000&author=organicchemist25]Please explain where this could be used. [/ ...
5-11-2017 at 00:24
by: Sulaiman
Salt water is not best described as corrosive with anodic metals
AJKOER, there is a semantics problem here - please give your definition 'corrosive'
1-11-2017 at 15:47
by: Sulaiman
in vacuo in older texts.
It is my understanding that the lower b.p. parts of the feedstock will rise in the 'rectification' s ...
1-11-2017 at 15:08
by: Sulaiman
Regarding petri dishes;

I have zero experience, but that should soon change,
last week I received these: http://www.ebay. ...
1-11-2017 at 13:59
by: Sulaiman
stripping
https://upload.wikimedia.org/wikipedia/commons/e/e9/Tray_Distillation_Tower.PNG
1-11-2017 at 13:45
by: Sulaiman
Reduced pressure distillation question and smoke?
I just tried Al foil over a 100mm dia glass funnel attached by a short length of tubing to my little ...
1-11-2017 at 09:56
by: Sulaiman
Non-oxidizing or corrosive lubricant for aluminum drilling
Or possible alternatives;

Melt the aluminium and pour it into water to form smaller lumps
Use th ...
31-10-2017 at 09:04
by: Sulaiman
Reduced pressure distillation question and smoke?
I just had a terrible thought of the foil failing under maximum vacuum
I don't have (and don't want ...
30-10-2017 at 15:00
by: Sulaiman
Salt water is not best described as corrosive with anodic metals
I mostly get what you wrote, but there is no disproof of salt water being corrosive.
e.g. accepting ...
30-10-2017 at 13:47
by: Sulaiman
Reduced pressure distillation question and smoke?
I am in no way defending my guess, just offering ideas;
your bourdon gauge may not indicate pulsin ...
30-10-2017 at 12:34
by: Sulaiman
DCM storage
[rquote=489912&tid=75992&author=Panache]...
So on dr bobs point, glass is not ideal because ...
30-10-2017 at 10:48
by: Sulaiman
Porous Pot for Voltaic Cell
[rquote=495976&tid=77512&author=macckone]polypropylene 5 micron hepa vacuum cleaner bags.

...
30-10-2017 at 10:24
by: Sulaiman
Reduced pressure distillation question and smoke?
Guessing only;
. with the column insulated there will be little refluxing hence fractionating occur ...
29-10-2017 at 22:32
by: Sulaiman
Porous Pot for Voltaic Cell
If you are experienced in electrochemistry (I am not) then choosing and using a membrane is a comple ...
29-10-2017 at 04:18
by: Sulaiman
Tejo (national sport of Colombia) legal in the UK or not??
http://www.pyrosociety.org.uk/media/er-2014-good-practise-guidance/
http://www.pyrosociety.org.uk/w ...
25-10-2017 at 11:24
by: Sulaiman
Low vapour pressure liquids (room temp)
[rquote=495384&tid=77711&author=sprengel]Looking for any easily accessible/cheap liquids wit ...
23-10-2017 at 18:37
by: Sulaiman
Need 2" stopper (tapered rubber/silicone) for HNO3 and NH3 (both in hot gaseous form)
Is stainless steel compatible with nitric acid ?

If you are distilling near-anhydrous HNO[sub]3[/ ...
21-10-2017 at 23:45
by: Sulaiman
Cleaning glassware and other equipment
I have experimented with acids and bases, oxidisers, detergents ..
I find that whichever cleaning s ...
21-10-2017 at 01:38
by: Sulaiman
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