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Dichloromethane ?
Have you tried filtering over diatomaceous earth, or boiling the DCM (under reflux, of course) for h ... |
10-2-2013 at 12:26
by: Hexavalent |
Latest chemical order?
Yes...dissolve a small quantity of potassium/sodium iodide in water in a test tube, add a small amou ... |
10-2-2013 at 10:35
by: Hexavalent |
Lecture bottles , looking for some gases.
Do you know what those gases are and their dangers? |
7-2-2013 at 09:26
by: Hexavalent |
Unusual approach to making bromine
Where I live (the isle of Anglesey, north Wales) the waters surrounding have rather high concentrati ... |
5-2-2013 at 12:51
by: Hexavalent |
Periodic Table Display
That looks incredible! Congratulations on such a brilliant looking display that shows the elements a ... |
5-2-2013 at 12:28
by: Hexavalent |
Quick homework question
I wonder if your question means elements with react to give exclusively non-ionic compounds, or thos ... |
2-2-2013 at 13:59
by: Hexavalent |
warning - possible counterfeit Pyrex on ebay
[rquote=273417&tid=23248&author=hissingnoise]But if it is indeed soda-lime, it will crack on ... |
2-2-2013 at 13:53
by: Hexavalent |
Simple question on stability of ions
A question I have asks:
"Which ion is the most stable - HS[sup]-[/sup] or Cl[sup]-[/sup] - and wh ... |
1-2-2013 at 13:41
by: Hexavalent |
waterbath vs. steambath
[rquote=273127&tid=23102&author=UnintentionalChaos]Plus, the condensation on everything is m ... |
31-1-2013 at 10:19
by: Hexavalent |
Units for hygroscopy?
Is there a unit for measuring/quantifying the hygroscopy of a compound? Perhaps something like moles ... |
30-1-2013 at 09:13
by: Hexavalent |
Where do you experiment ?
I'm in the garage: I have a 3m kitchen worktop with 3 cupboards underneath, only one of which is min ... |
27-1-2013 at 03:58
by: Hexavalent |
Esterification scale-up = problems?!
[rquote=272616&tid=23144&author=GreenD]Not sure how a drying tube would work[/rquote]
The ... |
24-1-2013 at 09:49
by: Hexavalent |
Latest chemical order?
[rquote=272232&tid=9890&author=borrowedlawyer]Although I still don't understand why it is so ... |
23-1-2013 at 15:15
by: Hexavalent |
Issues with reduction of vanillin
Alas, I lack GAA and have to resort to using vinegar when it is needed in a reaction. I shall use 1M ... |
23-1-2013 at 15:12
by: Hexavalent |
Starting a lab, striking the right balance (beginners please read).
I would also add nitric acid to the list of mineral acids (for instance, I have a small bottle of la ... |
23-1-2013 at 15:01
by: Hexavalent |
Issues with reduction of vanillin
[rquote=272528&tid=23091&author=Nicodem]Only because most substrates are not soluble in aque ... |
23-1-2013 at 14:53
by: Hexavalent |
sodium or barium azide
I concede with woelen: a new member asking for such materials is a one-way ticket to suspicion. If y ... |
23-1-2013 at 14:45
by: Hexavalent |
Separation of copper sulfate and sodium sulfate?
Add sodium carbonate to a solution of your mixture, and filter off the copper carbonate that forms a ... |
20-1-2013 at 14:43
by: Hexavalent |
Wurtz Reaction in Alkanes....
Ask your teacher on what grounds he said a) there would be a major product, and b) why specifically ... |
20-1-2013 at 07:00
by: Hexavalent |
Latest chemical order?
Oh dear...I've done the same recently with methylene blue...judging by my hands, I look like a Smurf ... |
20-1-2013 at 06:58
by: Hexavalent |
Issues with reduction of vanillin
Ah okay, I thought as much. I guess this is similar to why, when making potassium (via the KOH reduc ... |
20-1-2013 at 02:51
by: Hexavalent |
Issues with reduction of vanillin
Okay, thanks. BTW, is a staggered addition of the borohydride initially better, or should one simply ... |
19-1-2013 at 13:44
by: Hexavalent |
Wurtz Reaction in Alkanes....
My teacher told me that "statistical distribution" means a generally equal amount of the products ar ... |
19-1-2013 at 08:55
by: Hexavalent |
Issues with reduction of vanillin
No, unfortunately I do not have access ATM to TLC plates 
Yes, I expected the product to crysta ... |
19-1-2013 at 08:47
by: Hexavalent |
Wurtz Reaction in Alkanes....
"Although the Wurtz reaction can be used to prepare unsymmetrical hydrocarbons by reaction two alkyl ... |
19-1-2013 at 08:43
by: Hexavalent |
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