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Alizarin synthesis
"Can be alizarin produced by Friedel-Crafts reaction of phtalic anhydride and catechol?"
Maybe, but ... |
23-4-2016 at 09:10
by: unionised |
Quick silver sulfide
Some sort of polysulphide seems like a god choice. |
23-4-2016 at 04:49
by: unionised |
What are half-lives in MeV and unknown ones? Are they short?
Empirically, there is a strong relationship between half life and alpha emission energy
http://hyp ... |
20-4-2016 at 12:40
by: unionised |
Selenium, phosphorous & arsenic mustards?
Can we ban Earl grey tea?
https://en.wikipedia.org/wiki/Bergamot_orange#Toxicology
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19-4-2016 at 12:51
by: unionised |
separation of carbonates
Dissolve it in vinegar to get the mixed acetates
Add dilute sulphuric acid to ppt the CaSO4.2H2O
F ... |
19-4-2016 at 11:54
by: unionised |
lipless beakers
This sort of thing?
https://www.procook.co.uk/product/procook-replacement-glass-cafetiere-350ml
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18-4-2016 at 13:11
by: unionised |
Research to find an alternative to pseudoephedrine, and totally ban sudafed
[rquote=445179&tid=65866&author=aga][rquote=445178&tid=65866&author=arkoma]nor-psued ... |
13-4-2016 at 11:29
by: unionised |
government restrictions why bother
[rquote=445033&tid=65819&author=arkoma]Been perusing that psychoactive control act in the UK ... |
11-4-2016 at 12:23
by: unionised |
Chemists of the EU! Unite!
Other ways to get your name on the terrorist watch lists include... |
11-4-2016 at 12:14
by: unionised |
Research to find an alternative to pseudoephedrine, and totally ban sudafed
If we somehow managed to remove all the meth from the market people would just choose to get off the ... |
11-4-2016 at 12:04
by: unionised |
Removing Cobalt Glass from Crucible
If it's a (largely) borate glass it might dissolve in molten borax.
Leftover borax can be washed ou ... |
10-4-2016 at 01:27
by: unionised |
how to extract pure nicotine ???
Do you know just how dangerous nicotine is?
This sort of device delivers doses of 1 mg.
Can you ... |
9-4-2016 at 05:30
by: unionised |
What makes things poisonous
[rquote=444598&tid=65860&author=a nitrogen rich explosive]I was wondering: what makes things ... |
7-4-2016 at 12:19
by: unionised |
government restrictions why bother
[rquote=444318&tid=65819&author=urenthesage]Most of you have probably had to deal with gover ... |
6-4-2016 at 13:01
by: unionised |
In the catalytic hydrogenation of substitued aromatics, which double bonds go first?
"All of the studies I was able to find on this only dealt with the total hydrogenation of an aromati ... |
3-4-2016 at 06:54
by: unionised |
Dichloromethane EU restriction proposal (text)
All the points made against letting the public buy DCM are valid.
Lte's (just for balance) have a l ... |
1-4-2016 at 10:01
by: unionised |
Are perfluorocarbons good solvents?
Generally, they are only good at dissolving other perfluorocarbons. |
31-3-2016 at 12:09
by: unionised |
Ammonia from sodium hydroxide & urea. what would be the by-product cyanide or carbonate?
Is cyanide a plausible by-product in aqueous solution?# |
29-3-2016 at 10:31
by: unionised |
benzidine
So, rather than use a different indicator like bromophenol blue or methyl orange, you decided to mak ... |
26-3-2016 at 05:25
by: unionised |
How much does light penetrate through a solid material in microns.
If your material is an optical fibre, and the light is near 1550nm (Infra red- but the idea is still ... |
26-3-2016 at 03:58
by: unionised |
ß-voltaic battery
Anything that emits many beta particles is potentially very dangerous and is, therefore, not easy to ... |
25-3-2016 at 05:37
by: unionised |
Stupid question - drying organics in an oven.
Another very important point to remember is that vapour from flammable solvents may form an explosiv ... |
24-3-2016 at 13:12
by: unionised |
Preparation of STABLE colloidal gold
The colloidal gold that stained my kitchen counter-top was so stable that I ended up painting over i ... |
24-3-2016 at 05:54
by: unionised |
Mescaline by aminoethylation of pyrogallol
Once the amine has stuck to the metal it's not going to be very effective, and nor is the metal. I c ... |
22-3-2016 at 13:43
by: unionised |
The joy of buying a mattress and other things
I really hate it when objects smell of things that are not chemicals.
(Think about it...)
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22-3-2016 at 13:27
by: unionised |
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