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Titrations and Systematization?
This is the method teach in my analytical chemistry classroom
If you have no way to know the conce ...
29-5-2017 at 01:06
by: brubei
Copper plating cast iron skillet
iron plating usely need to precoat your surface with Nickel (a mixture of NiH2SO4/NiCl/H3BO3 called ...
25-5-2017 at 14:36
by: brubei
Coolant spray for controlling reaction temperature
mixing reagent with exothermic reactions always take a long time.
Furthermore, if you complain abou ...
17-5-2017 at 04:42
by: brubei
Today, I march.
why wasn't the march in march ?
23-4-2017 at 22:33
by: brubei
Alternative hobbies that appeal to those with interest in chemistry
I'm member of a harm reduction organization about drug abuse.
[rquote=481201&tid=73573&auth ...
22-4-2017 at 01:05
by: brubei
tlc rf to lc
i think he want to do a preparative LC of two compounds, their rf on tlc are 0.2 and 0.8 with a simp ...
21-3-2017 at 07:29
by: brubei
TLC help needed.
Another free usefull software : [b]gelanalyzer[/b]

[f ...
21-2-2017 at 02:30
by: brubei
Last chemical order?
[rquote=471537&tid=9890&author=Schleimsäure]Methylamine HCl 250g
Diethyl Malonate 250 ml
14-1-2017 at 09:33
by: brubei
Cleaning Denatured Ethanol
Sugar yeast heat
9-1-2017 at 12:21
by: brubei
Tropinone => 2-CMT
[rquote=471063&tid=71642&author=NitratedKittens]2-CMT is used to synthesise cocaine and coca ...
6-1-2017 at 05:13
by: brubei
Tosylation of ethanolamine (??)
[rquote=470900&tid=71566&author=Nicodem] But without TLC plates... (I don't understand why ...
4-1-2017 at 23:14
by: brubei
Asian supermarket alum.
Aluminium sulfate crystal is commonly sold as natural antiperspirant

[Edited on 31-12-2016 by bru ...
31-12-2016 at 15:46
by: brubei
Sodium Hydroxide
Sodium hydroxyde exposed to atmospheric CO2 slowly gives hydrogenocarbonate :
NaOH + CO2 << ...
29-12-2016 at 14:45
by: brubei
What happened while dumping my chemicals?
Salicylic oxydation by chlorate probably result in auto condensation, maybe including aceton carbony ...
29-12-2016 at 02:46
by: brubei
Titration troubles
strong base have to be titrated with strong acid ([b]NaOH[/b]) with micromolar [b]phenolphtalein[/b] ...
27-12-2016 at 04:58
by: brubei
Sand baths

I know this is an old post but I stumbled u ...
12-12-2016 at 06:34
by: brubei
Last chemical order?
I'm about to send little order to a shop (nov. 21th)

SiO2 40-60 µm
Pissette ...
9-11-2016 at 13:33
by: brubei
microencapsulation of marquis reagent and others
Why dont you use already marketed products, they are ealy cheap ...
22-10-2016 at 00:12
by: brubei
Galinstan-activated aluminum: an inexpensive, easy-to-use, easy-to-store, nontoxic alternative to Al/Hg reduction
Nice but it needs some sources.
19-10-2016 at 12:18
by: brubei
ALPHA FT-IR Spectrometer Platinum ATR
Oh shit, fucking seller he didn't tell me about that :D
19-10-2016 at 11:41
by: brubei
substituted phenethylamines, numbered clockwise or counterclockwise?
2,5-dimethoxy-4-substituted-phenethylamine and 3,6-dimethoxy-4-substituted-phenethylamine are the sa ...
19-10-2016 at 11:05
by: brubei
ALPHA FT-IR Spectrometer Platinum ATR
there are plenty of new molecules identified every years updating them has a cost. My field is narco ...
19-10-2016 at 09:45
by: brubei
ALPHA FT-IR Spectrometer Platinum ATR
I'm seeking one for my job.
At least 15k€-20k€, compound specific libraries are not included (m ...
19-10-2016 at 09:18
by: brubei
collect gas in a cylinder
place ammonium in a full aluminium chantilly propellant like this and heat

[img] ...
13-10-2016 at 08:02
by: brubei
determining chromatography column size
that's a pretty huge column. Does your product really worth it ?

Is crystallisation totally inef ...
26-8-2016 at 06:22
by: brubei
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