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Al2O3 tlc plates
And once again the substrates, for which solvent mixtures should be used, are lost, and instead we'v ... |
11-8-2016 at 14:31
by: byko3y |
Al2O3 tlc plates
I'm sure those ceramic strips are not the same as ativated alumina for TLC. Ceramic is almost solid, ... |
9-8-2016 at 09:13
by: byko3y |
Nichrome furnace.
High power is good for fast start, but as elements of your furnace become hotter, you need to lower ... |
29-7-2016 at 23:30
by: byko3y |
Keeping bromine safely contained
Bromine and iodine catalyticaly decompose hydrogen peroxide.
I prefer to store the bromine in a gla ... |
22-7-2016 at 16:33
by: byko3y |
TLC solvents
You can easily adjust lipophilicity of mobile phase by going through the row of methanol-ethanol-pro ... |
21-7-2016 at 12:31
by: byko3y |
TLC solvents
I have similar question. What confuses me the most is that mixtures of solvents are usually used ins ... |
20-7-2016 at 19:30
by: byko3y |
Selectivity of piria reaction?
I'm pretty sure the main product for sulfonation of 3-chloronitrobenzene (with oleum, of course) is ... |
4-7-2016 at 15:57
by: byko3y |
Disposal of Cobalt(II) Chloride
The best way to dispose 15 grams of CoCl2 is to throw it out of the window or flush down the toilet. ... |
24-6-2016 at 02:37
by: byko3y |
Reagents for the preparation of acid chlorides: pros and cons
[rquote=452592&tid=66651&author=Melgar]
Gas elemental sulfur with chlorine gas until enough ... |
22-6-2016 at 23:08
by: byko3y |
Tri-Sodium Phosphate - is contamination with Sodium Carbonate normal?
Trisodium phosphate is slightly more basic than sodium carbonate (12.12 vs 11.26 for 0.1M), and orde ... |
21-6-2016 at 00:04
by: byko3y |
Al/NiCl2*6H2O: OTC hydride-like reactivity
I'd say the actual catalyst-reagent is just a low activity nickel microparticles, thus stochiometric ... |
6-6-2016 at 13:56
by: byko3y |
Chlorine???
I have a bad experience generating chlorine indoors, but it's more because I was staying for a long ... |
3-6-2016 at 12:00
by: byko3y |
Yellow ether ?
So what's your problem? I see none. Yellow is a common color of some crap. Distillation separates th ... |
3-6-2016 at 11:00
by: byko3y |
Possible OTC, 'safe' methylating agents
Amide O-methylation is more like dehydration than a usual methylation, because there's no nucleophil ... |
2-6-2016 at 19:31
by: byko3y |
uv for tlc
Usually manganese-doped willemite (Zn2SiO4) is used as a fluorescent mineral. http://www.sigmaaldric ... |
2-6-2016 at 05:56
by: byko3y |
Possible OTC, 'safe' methylating agents
[rquote=450429&tid=11580&author=clearly_not_atara]You are aware that the only reaction in wh ... |
31-5-2016 at 19:17
by: byko3y |
Possible OTC, 'safe' methylating agents
[quote]http://www.sciencedirect.com/science/article/pii/004040399388017D[/quote]They used up to stoc ... |
31-5-2016 at 05:13
by: byko3y |
Possible OTC, 'safe' methylating agents
[rquote=450088&tid=11580&author=clearly_not_atara]However, MeCl in the presence of iodide is ... |
26-5-2016 at 20:03
by: byko3y |
Possible OTC, 'safe' methylating agents
Methyl methylate is not safe, methyl tosylate is relatively safe for its power, because of low vapor ... |
25-5-2016 at 21:17
by: byko3y |
Oxidation of styrene to phenylacetaldehyde
[b]Chemi Pharma[/b], I have no references at hand, that's just my speculations, which happen to be t ... |
10-5-2016 at 00:40
by: byko3y |
Oxidation of styrene to phenylacetaldehyde
None of those articles mentiones 2-phenylethylalcohol. And that's for reason, because the procedure ... |
9-5-2016 at 08:00
by: byko3y |
Acetic anhydride preparation
[b]Rynoaus[/b], sodium aetate + sulfur halide definitely works, but is tricky to perform and leads t ... |
9-5-2016 at 06:29
by: byko3y |
Benzonitrile in different ways
Obviously, Kruss, Letts and Reid tried those methods, there's a lot of other researches done about t ... |
4-4-2016 at 05:10
by: byko3y |
Quick determination of ammonia or ammonium?
Kjeldahl is about decomposition of nitrogen organic compounds into ammonia and then back-titration o ... |
28-3-2016 at 07:21
by: byko3y |
Quick determination of ammonia or ammonium?
I've spent some time looking over internet for the ammonia test. And I'm really confused by the fact ... |
27-3-2016 at 15:41
by: byko3y |
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