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Solid Phosphorus Triiodide
I don't know, but I'd use something more volatile than toluene- maybe hexane. |
28-10-2018 at 01:52
by: unionised |
Fitting a Ground Glass Joint to a Steel Plate
It's easy enough to cut a 1 in 10 taper on a piece of steel, then put it into (or onto) a ST glass ... |
27-10-2018 at 03:27
by: unionised |
Aluminium isopropoxide - reaction with water
You may be able to avoid any precipitation in the first place if you add a solution of potassium sod ... |
27-10-2018 at 02:42
by: unionised |
New element in the collection: Zr
[rquote=546725&tid=99928&author=fusso][rquote=546724&tid=99928&author=unionised][rqu ... |
25-10-2018 at 12:25
by: unionised |
Memorize/recite the periodic table?
It used to ba a question set by our inorganic tutor at Uni. Fill in a blank copy of the periodic tab ... |
25-10-2018 at 10:49
by: unionised |
New element in the collection: Zr
[rquote=546717&tid=99928&author=fusso]
If you have Ar then you can try heating it under Ar ... |
25-10-2018 at 10:47
by: unionised |
Production of pharmaceutical grade (USP, EP, BP, JP) compounds
Fair point; they don't care where you get the material from, as long as it passes the tests.
Thin ... |
24-10-2018 at 13:02
by: unionised |
List of reducers
[rquote=546387&tid=99523&author=BaFuxa]Nice thanks ! I have never thought of using plants di ... |
24-10-2018 at 11:07
by: unionised |
Production of pharmaceutical grade (USP, EP, BP, JP) compounds
[rquote=545960&tid=98867&author=macckone]The USP specs are final product and do not mention ... |
23-10-2018 at 11:11
by: unionised |
X-Ray tubes
Anything using a kilowatt of power to generate Xrays needs, at the very least, serious shielding + i ... |
23-10-2018 at 10:56
by: unionised |
"Broken" thermometre
I'd try cooling until everything is in the bulb at the bottom before I tried heating it.
It might b ... |
23-10-2018 at 10:50
by: unionised |
How do you draw benzene rings?
If you imagine a clock face... I join 12 to 2, 2 to 4, 4 to 6 and so on.
Then I draw a (rough) circ ... |
22-10-2018 at 13:04
by: unionised |
Propane as an inert-gas
Would anyone like to do the arithmetic on a bucket of coal or magnesium turnings?
I suspect that ... |
22-10-2018 at 12:07
by: unionised |
Propane as an inert-gas
[rquote=545526&tid=94943&author=Morgan]
I can't think of any simple getters for oxygen the ... |
21-10-2018 at 07:21
by: unionised |
Propane as an inert-gas
[rquote=544810&tid=94943&author=Morgan] What percentage of O2 is cited in helium for balloon ... |
21-10-2018 at 06:55
by: unionised |
How hazardous is mercury droplets?
[rquote=545457&tid=99039&author=Sulaiman]...enough to build up a significant concentration o ... |
21-10-2018 at 05:11
by: unionised |
Unknown RXN of hydrochloric acid and tubing
My best guess would be that the tube was nylon- which is attacked by acids and commonly used to make ... |
21-10-2018 at 01:04
by: unionised |
Production of pharmaceutical grade (USP, EP, BP, JP) compounds
[rquote=545222&tid=98867&author=RogueRose]
I'd have to look back in the internet search h ... |
20-10-2018 at 11:26
by: unionised |
Two NS 14 Hg thermocoulple still avaliable
Do you mean thermometers? |
20-10-2018 at 04:29
by: unionised |
Production of pharmaceutical grade (USP, EP, BP, JP) compounds
[rquote=545154&tid=98867&author=RogueRose]I was looking over various natural compounds that ... |
20-10-2018 at 04:28
by: unionised |
Fume Hood Exhaust
Specifying a fume cupboard for just 1 chemical seems rather shortsighted.
What if you want to use h ... |
18-10-2018 at 13:45
by: unionised |
Diethyl ether on pulic transport
[rquote=533503&tid=90581&author=Heptylene]@unionised Are you being sarcastic? I genuinely ca ... |
18-10-2018 at 13:18
by: unionised |
Separating DMF from water
I'd wonder if you are making nitrosodimethylamine as a by-product.
Be careful what you sniff at.
... |
16-10-2018 at 12:57
by: unionised |
Processing animal waste (manure) - any way to speed up the process?
[rquote=543636&tid=97670&author=AJKOER]A faster process?
Perhaps some redox chemistry and ... |
15-10-2018 at 13:17
by: unionised |
Processing animal waste (manure) - any way to speed up the process?
[rquote=543557&tid=97670&author=Ubya]maybe the problem could be solved by using a concrete r ... |
14-10-2018 at 11:42
by: unionised |
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