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OTC: what does it mean?
[rquote=260470&tid=21571&author=bbartlog]that specialize in pigments for oil paints
[Edited ... |
5-10-2012 at 11:58
by: Hexavalent |
When naphthalene balls aren’t naphthalene balls(?)
Speaking of napthalene, could it be hydrogenated to yield tetrahydronapthalene? |
3-10-2012 at 10:19
by: Hexavalent |
potassium nitrate and copper sulphate
I have always wondered about the decomposition of copper nitrate - I once had a solution of copper n ... |
2-10-2012 at 06:55
by: Hexavalent |
Merits of a milligram scale.
[rquote=260892&tid=19213&author=Swede]And I've never understood the "pocket" milligram scale ... |
1-10-2012 at 08:26
by: Hexavalent |
potassium nitrate and copper sulphate
Yes, this could be problematic as both copper (II) nitrate and potassium sulfate are soluble in wate ... |
1-10-2012 at 08:19
by: Hexavalent |
Vacuum Distillation Confusion
[rquote=260821&tid=21599&author=Nitrator]@ Hexavalent
First of all, the issue of "glass wit ... |
1-10-2012 at 07:43
by: Hexavalent |
Vacuum Distillation Confusion
[rquote=260814&tid=21599&author=Nitrator]I have a thorough understanding of chemistry as wel ... |
30-9-2012 at 11:52
by: Hexavalent |
Home-made rotary evaporator
a) Have you checked eBay recently? Sometimes you can get professional models at great prices.
b) ... |
30-9-2012 at 11:11
by: Hexavalent |
Home-made rotary evaporator
Have you tried looking through manuals and technical spec sheets first? |
30-9-2012 at 10:59
by: Hexavalent |
Vacuum Distillation Confusion
[rquote=260802&tid=21599&author=Nitrator]How do you test the condenser without breaking it?[ ... |
30-9-2012 at 10:55
by: Hexavalent |
Tour My Lab
Nice! A clearly flexible and useful lab that looks like a nice place to work in.
Be careful about ... |
29-9-2012 at 12:29
by: Hexavalent |
In Need of Some Equipment
MEK is available on eBay, and in the UK I can get EtOAc as acetone-free nail polish remover (just mi ... |
28-9-2012 at 12:48
by: Hexavalent |
Blue Fluoride...?
Have you asked Elemental? Perhaps there was something wrong with that batch.
It could well be a c ... |
28-9-2012 at 11:25
by: Hexavalent |
Introducing myself - Ian
[rquote=260486&tid=21566&author=Bot0nist]Anonymity online is nearly a myth. Most use moniker ... |
28-9-2012 at 11:11
by: Hexavalent |
Making copper nitrate Wikpedia misleading?
Anhydrous copper nitrate is easier said than prepared;
http://www.sciencemadness.org/talk/viewthr ... |
28-9-2012 at 08:03
by: Hexavalent |
making potassium chromate from dichromate
[rquote=260526&tid=21576&author=Mildronate]This story is not only about stoichiometry, its a ... |
28-9-2012 at 07:48
by: Hexavalent |
Introducing myself - Ian
Welcome to SM!
Are you on any other forums, and do you have an interest in other aspects of chemi ... |
27-9-2012 at 13:13
by: Hexavalent |
Menthol
What would be interesting to see is if someone could oxidize it to menthone (the ketone) and then fu ... |
27-9-2012 at 11:40
by: Hexavalent |
How stupid can you get?
I was actually looking into the discovery of oxygen and ended up on a Yahoo! question. Looking at th ... |
26-9-2012 at 12:29
by: Hexavalent |
How stupid can you get?
http://answers.yahoo.com/question/index;_ylt=Agl8tTTgifVHt3EIjJzlFFoExgt.;_ylv=3?qid=20120926101102A ... |
26-9-2012 at 12:16
by: Hexavalent |
NFPA 704 saftey stickers
Why not print your own off using a blank image from Google and applying the text yourself, e.g. in M ... |
23-9-2012 at 22:48
by: Hexavalent |
Tour My Lab
[rquote=260093&tid=4777&author=Pyro]100m long [/rquote]
Really? Is this a typo or is your ... |
23-9-2012 at 11:24
by: Hexavalent |
Copper problem
Some would obviously be oxygen, contributed by the decomposition of the peroxide as well.
It coul ... |
23-9-2012 at 11:20
by: Hexavalent |
Copper problem
The peroxide helps the copper oxidize to form bivalent aqueous ions. |
23-9-2012 at 11:05
by: Hexavalent |
Making metal powders
I have just read a report on preparing ultrafine copper powder by the reduction of copper sulfate us ... |
23-9-2012 at 01:53
by: Hexavalent |
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