Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
"Novel Method of Reducing Ketones Using Sodium Hydroxide in Isopropanol"
I've never even bothered to look up those equilibria - you're somewhere around the right number (for ...
7-3-2017 at 15:27
by: ziqquratu
"Novel Method of Reducing Ketones Using Sodium Hydroxide in Isopropanol"
[rquote=476756&tid=72480&author=CuReUS]I don't understand why everyone is behind microwave c ...
6-3-2017 at 16:13
by: ziqquratu
"Novel Method of Reducing Ketones Using Sodium Hydroxide in Isopropanol"
Unless you've got a pressure vessel for the microwave, don't bother - notoxicshit's original assessm ...
5-3-2017 at 16:14
by: ziqquratu
Alternatives to Nitrogen.
Many hardware stores around the world sell small (around 500mL) cylinders of argon for reasonably ch ...
14-2-2017 at 15:40
by: ziqquratu
extracting oil from large amounts of bark/woodchip
Large-scale steam distillation isn't too hard. You just need a system which allows you to add water ...
31-1-2017 at 21:58
by: ziqquratu
Refractory with flour or saw dust incorporated?
Sawdust can potentially work, but you might try shredded polystyrene foam, or foam beads - the idea ...
3-11-2016 at 15:51
by: ziqquratu
CO2 increase predictions with "Climate Change" - A graph to show amounts
The media reporting of absolute versus relative rates of change is typically this sort of misleading ...
31-10-2016 at 21:09
by: ziqquratu
Terminal double bonds
"Recrystallisation via solvents" sort of rules out (iso)safrole, given both are liquids. I recall th ...
17-10-2016 at 21:37
by: ziqquratu
Terminal double bonds
I've never used it - or even seen it used - but I understand that chromatography using AgNO[sub]3[/s ...
17-10-2016 at 14:53
by: ziqquratu
Peptide Synthesis Help
SupaVillain, again, don't get hung up on "peptide stoichiometry". 1 mmol of amine plus 1 mmol of car ...
12-10-2016 at 21:32
by: ziqquratu
Peptide Synthesis Help
If I recall correctly, the problem with Grubbs II is that it's remarkably unstable due to the nature ...
9-10-2016 at 15:43
by: ziqquratu
Peptide Synthesis Help
I'd argue that you're looking for trouble trying to prepare those reagents...

Grubbs' II catalyst ...
6-10-2016 at 20:43
by: ziqquratu
Clean ancient coins?
You could try simple mechanical polishing - I did this to some old (decades, rather than centuries, ...
6-10-2016 at 15:52
by: ziqquratu
Ridding Apparatus of Water
How dry you need your equipment depends on what you're trying to do. Some reactions need to be fairl ...
26-9-2016 at 16:39
by: ziqquratu
purity of vanillin for tlc stain
98% will be more than sufficient for the job.
26-9-2016 at 15:15
by: ziqquratu
Peptide Synthesis Help
I believe you've found it, SupaVillain - that's certainly a viable procedure, and solves at least on ...
13-9-2016 at 20:00
by: ziqquratu
Peptide Synthesis Help
Sorry, Supa, I've only skimmed, but I'm not even sure where the "Ac-ARA-NH[sub]2[/sub]" is coming fr ...
12-9-2016 at 20:33
by: ziqquratu
Peptide Synthesis Help
Forgive me if I'm misunderstanding your question, but it sounds like you're asking "how do they turn ...
12-9-2016 at 18:02
by: ziqquratu
ethylbenzene by Wolff-Kishner (Huang-Minlon)
I'd extract it, perhaps keeping it separate from the distillate, and see what you get - no harm in t ...
24-8-2016 at 20:53
by: ziqquratu
Grubs II removal in presence of Michael acceptor
I've seen a co-worker use the hydrogen peroxide technique (the method described in http://www.scienc ...
4-8-2016 at 15:22
by: ziqquratu
Any public Blog sites that allow non "politically correct" postings/colums/pages?
Political correctness has nothing to do with whether or not you are offensive; it has to with whethe ...
2-8-2016 at 17:59
by: ziqquratu
SMH - How can there be so little knowledge at pharmacies?
I'll be the first to admit that I've had issues with pharmacists before - like the time one tried to ...
5-7-2016 at 20:08
by: ziqquratu
Reagents for the preparation of acid chlorides: pros and cons
Thionyl chloride is popular because it's cheap, relatively stable, fairly safe to handle, and gives ...
22-6-2016 at 15:58
by: ziqquratu
Research to find an alternative to pseudoephedrine, and totally ban sudafed
[rquote=444687&tid=65866&author=NedsHead]Pseudoephedrine is practically inaccessible in Aust ...
7-4-2016 at 20:01
by: ziqquratu
Research to find an alternative to pseudoephedrine, and totally ban sudafed
[b]Cou[/b], hate to tell you this, but it's actually pretty tough to develop a drug. There are thous ...
7-4-2016 at 17:01
by: ziqquratu
[Next Page]

  Go To Top