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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
[rquote=468863&tid=19089&author=valekovski]Hi
I know this is an old post but I stumbled u ... |
12-12-2016 at 06:34
by: brubei |
Latest chemical order?
I'm about to send little order to a shop (nov. 21th)
Graphite
SiO2 40-60 µm
CaSO4
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
http://testkitplus.com/product/c ... |
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  |
19-10-2016 at 11:41
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]https://files.me ... |
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 |
Chemistry Diamonds on YouTube
Keeping the first post well clear is a great idea.
|
11-8-2016 at 22:25
by: brubei |
Al2O3 tlc plates
[rquote=456780&tid=67870&author=soma]I've been looking for aluminum oxide tlc plates but hav ... |
11-8-2016 at 01:57
by: brubei |
how to prepare sand for chromatography
In my lab (CNRS, France) we use Fontainebleau's sand, 0.06 – 0.35 mm typical silicate.
(i think ... |
11-8-2016 at 01:34
by: brubei |
Hydronium H9O4??!!
see Zundel and Eigen cation
Hydronium ion: H3O+
Zundel cation: H5O2+ (named for Georg Zundel)
E ... |
9-8-2016 at 03:37
by: brubei |
Miscibility between saturated H2O and Acetone
aldolisaton of acetone needs heat, also excess of water displace the equilibria to hydrolysis. Then ... |
9-6-2016 at 13:50
by: brubei |
Bases as solvents, metals
Pourbaix diagramm gives the state of a metal in different conditions
for exemple: aluminium is ... |
2-4-2016 at 02:15
by: brubei |
Readily Available Chemicals Website: Version 2
I already purshase some chems by the german seller S3chemicals on ebay.
Very cheap, he also have ... |
1-4-2016 at 12:03
by: brubei |
Micro heating element?
maybe induction |
28-3-2016 at 11:21
by: brubei |
Homemade and Repurposed Lab Gear
Sorry, I talked about the vaccum system instead the use of electric pump wich
can be damaged by ... |
25-3-2016 at 07:28
by: brubei |
I want to hear your favorite chemistry demonstrations
yeast fermentation, beer, yogourt
interdisciplinarty is fun too |
25-3-2016 at 03:30
by: brubei |
Homemade and Repurposed Lab Gear
filtration for less than 15€, no problem of corrosion or flammability.
[file]49336[/file] |
25-3-2016 at 01:08
by: brubei |
Stupid question - drying organics in an oven.
[rquote=443095&tid=65704&author=aga]Erm, what do you imagine those students are there [i]for ... |
25-3-2016 at 00:39
by: brubei |
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