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Hygroscopy vs. purity
In the case of sodium chloride, very pure sea salt is only slightly hygroscopic. I have some from th ... |
15-11-2012 at 05:53
by: ScienceSquirrel |
Amoxicillin
One sniff of acid and theβ-lactam ring will pop apart;
http://en.wikipedia.org/wiki/Beta ... |
12-11-2012 at 09:02
by: ScienceSquirrel |
Extremely strong bases for enolization
[rquote=265484&tid=22145&author=Fennel Ass Ih Tone][rquote=264950&tid=22145&author=z ... |
12-11-2012 at 08:36
by: ScienceSquirrel |
Licensing?
[rquote=265050&tid=22199&author=tetrahedron]a simple google search for 'sale of poisons site ... |
9-11-2012 at 06:10
by: ScienceSquirrel |
Licensing?
[rquote=265113&tid=22199&author=cal][rquote=265047&tid=22199&author=plastics]Why bot ... |
9-11-2012 at 06:03
by: ScienceSquirrel |
Drying Glycerol
For some purposes eg the synthesis of acrolein and nitroglycerine dry could be defined as maybe 98 - ... |
7-11-2012 at 15:39
by: ScienceSquirrel |
Drying Glycerol
[rquote=264907&tid=22180&author=Nicodem][rquote=264904&tid=22180&author=ScienceSquir ... |
7-11-2012 at 12:55
by: ScienceSquirrel |
Drying Glycerol
Glycerol can be dried by simply heating it above the boiling point of water. |
7-11-2012 at 08:06
by: ScienceSquirrel |
Preparation of Ammonium iron (III) sulphate (ferric alum)
Mohr's Salt is ridiculously easy. Garden centre grade ferrous sulphate and ammonium sulphate, a sma ... |
5-11-2012 at 09:51
by: ScienceSquirrel |
NaCl and Potassium Ferrocyanide
At less than 10mg in around a litre and a half of water I think you are way beyond the limits of wet ... |
5-11-2012 at 07:08
by: ScienceSquirrel |
Sodium Hypochlorite
No it will not work.
It will decompose to either chlorate and chloride or chloride and oxygen depen ... |
2-11-2012 at 06:56
by: ScienceSquirrel |
Basic question about Dichromates
An example procedure of an iron II versus dichromate titration;
http://wwwchem.uwimona.edu.jm/lab ... |
2-11-2012 at 05:47
by: ScienceSquirrel |
Basic question about Dichromates
You can titrate ferrous salts with dichromate, chromium III and iron III is formed. |
1-11-2012 at 10:32
by: ScienceSquirrel |
Maleic acid conversion to fumaric acid
The mechanism is pretty easy;
http://en.wikipedia.org/wiki/Maleic_acid |
29-10-2012 at 17:45
by: ScienceSquirrel |
New Synthesis for Monomethyl (or higher) Amide?
Detritus? |
28-10-2012 at 16:05
by: ScienceSquirrel |
Hydrazine contamination
[rquote=263464&tid=21923&author=Adas]Hydrazine is pretty poisonous and carcinogenic, the bes ... |
26-10-2012 at 05:48
by: ScienceSquirrel |
FeS2 + HF ---> F2?
It is almost impossible to prepare flourine chemically.
I believe this is the only known way;
ht ... |
24-10-2012 at 04:28
by: ScienceSquirrel |
Hydrazine contamination
If you are using a few grams I would just pour it down the drain at high dilution.
The equipment ca ... |
24-10-2012 at 03:51
by: ScienceSquirrel |
Green Smash-Glow Crystals
Sugar can be visibly triboluminescent, as can adhesive tape;
http://en.wikipedia.org/wiki/Tribolu ... |
22-10-2012 at 15:54
by: ScienceSquirrel |
nickel carbonyl, hard to make?
Have a look on page 5 of this reference for an interesting route to nickel carbonyl;
http://scien ... |
19-10-2012 at 03:16
by: ScienceSquirrel |
How to add Iron to water
Buy some ferrous sulphate at your local garden centre, add to water as desired.
|
12-10-2012 at 04:57
by: ScienceSquirrel |
Organic Chem, Triphenyl Methanol.
http://en.wikipedia.org/wiki/Triphenylmethanol |
10-10-2012 at 06:57
by: ScienceSquirrel |
When naphthalene balls aren’t naphthalene balls(?)
I would break a piece off one, grind it up and do a melting point, it sounds pretty pure to me. |
10-10-2012 at 03:09
by: ScienceSquirrel |
Ethanol?
I have just trimmed this thread.
Someone quoted a previous post and it became very messy.
It might ... |
9-10-2012 at 17:24
by: ScienceSquirrel |
When naphthalene balls aren’t naphthalene balls(?)
Up until the late seventies you could buy carbon tetrachloride and 111- trichloroethane off the shel ... |
8-10-2012 at 05:11
by: ScienceSquirrel |
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