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Using Sodium borohydride in aqueous media with PTC - stability in water?
Yes, all of the four hydrides are active in water. If you look here: http://masterorganicchemistry.c ...
13-6-2014 at 15:20
by: forgottenpassword
Using Sodium borohydride in aqueous media with PTC - stability in water?
BH4- reacts with H+. Adding NaOH simply reduces the amount of H+. pH is intrinsically linked to the ...
13-6-2014 at 12:22
by: forgottenpassword
Can we convert non food grade reagents into food grade using crystallization only
Food grade mineral supplements are always purified by crystallization of a salt. There is no reason ...
13-6-2014 at 10:40
by: forgottenpassword
Using Sodium borohydride in aqueous media with PTC - stability in water?
There's lots of information about solubilities; decomposition rates and pH of aqueous solutions, etc ...
13-6-2014 at 10:31
by: forgottenpassword
Paper for chromatography
http://www.amazon.com/CHROMATOGRAPHY-PAPER-Wide-SOLD-FOOT/dp/B001D7HUVG/ref=sr_1_5?ie=UTF8&qid=1 ...
13-6-2014 at 05:50
by: forgottenpassword
Apparent decomposition of stored acetone
It sounds like the acetone was contaminated with water.
7-5-2014 at 04:58
by: forgottenpassword
Element 117
It's not every day that someone claims to have made a new element. Maybe some will find it interesti ...
5-5-2014 at 10:28
by: forgottenpassword
How stable are formaldehyde imines in aq. solutions?
Usually a cosolvent is used when forming imines with aqueous formaldehyde. Methanol is best for stab ...
5-5-2014 at 03:36
by: forgottenpassword
odorless heating baths?
Sand. ;)
5-5-2014 at 00:16
by: forgottenpassword
Secondary amine Acylation
Triethylamine is typically used.
5-5-2014 at 00:08
by: forgottenpassword
Is there any risk for side reactions in a UV irradiated solution using a phase transfer catalyst?
UV radiation affects bonds, not atoms.
4-5-2014 at 02:47
by: forgottenpassword
Getting your product out of 1-octanol
Octanol is the archetypal hydrophobic liquid. There is no way that you should have failed to separat ...
1-5-2014 at 12:10
by: forgottenpassword
Getting your product out of 1-octanol
[rquote=329208&tid=30242&author=CrimpJiggler]The product runs extremely slowly in a 100% hex ...
26-4-2014 at 11:19
by: forgottenpassword
Scopolamine (Ester to Carboxylic acid)
It would be more worthwhile to extract and purify scopolamine, rather than turn it into the useless ...
25-4-2014 at 11:23
by: forgottenpassword
How do I go about separating a metal - phosphine complex from amines in the organic phase?
[rquote=328897&tid=30205&author=Zensate]chormatography and distillation are not options.[/rq ...
23-4-2014 at 14:12
by: forgottenpassword
UV Frequencies for photochemistry?
You don't need quartz glass for 300nm and upwards. You will find a lot of good information here: htt ...
23-4-2014 at 13:03
by: forgottenpassword
Would someone like to try this? Graphene Production
Graphite and a kitchen blender is today's scientific breakthrough method, knocking the Scotch tape a ...
22-4-2014 at 10:36
by: forgottenpassword
Would someone like to try this? Graphene Production
[rquote=328620&tid=30172&author=IrC][rquote=328615&tid=30172&author=forgottenpasswor ...
21-4-2014 at 12:48
by: forgottenpassword
Would someone like to try this? Graphene Production
[rquote=328527&tid=30172&author=WGTR]Graphene is merely the future of energy storage.
[/r ...
21-4-2014 at 08:12
by: forgottenpassword
Would someone like to try this? Graphene Production
[rquote=328461&tid=30172&author=IrC]I have a big square that floats in air above 4 NdFeB mag ...
20-4-2014 at 09:16
by: forgottenpassword
Would someone like to try this? Graphene Production
I have made graphene with sellotape and a graphite pencil. It is a useless product!
20-4-2014 at 08:03
by: forgottenpassword
Cool gift for a Chemistry Professor?
[rquote=326095&tid=29938&author=confusedpizza]I have to admit I don't understand this one:
...
6-4-2014 at 13:54
by: forgottenpassword
Cool gift for a Chemistry Professor?
Perhaps something like this?:
http://www.drinkstuff.com/productimg/22783_large.jpg
6-4-2014 at 04:25
by: forgottenpassword
Moderator Abuse
He does have a point, though. Preventing a sensibly worded question (http://www.sciencemadness.org/t ...
6-4-2014 at 04:19
by: forgottenpassword
Tetrachloroaluminates: ionic solvents?
I stumbled upon this by chance, which might be of interest (or not):

ELECTRODEPOSITION OF ALKALI ...
4-4-2014 at 09:45
by: forgottenpassword
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