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Diethyl Ether - Illustrated Practical Guide
[i][size=0][align=center][font=Times New Roman]This is a series of Illustrated Key Syntheses in Chem ...
4-1-2008 at 18:25
by: len1
Pyridine synthesis/extraction
You are a tricky fellow. As soon as one condenses what you are saying to a testable prediction, you ...
4-1-2008 at 13:09
by: len1
Sodium Ferrocyanide
If you are correct regarding the changed nature of the HCl solution then the key test is that a prec ...
4-1-2008 at 12:55
by: len1
Sodium Ferrocyanide
Yeah OK, although I dont know why you mention heating - the solubility of NaCl hardly varies with T ...
4-1-2008 at 04:49
by: len1
Pyridine synthesis/extraction
I think weve reached the point of diminishing returns - youve stated your position Ive stated mine. ...
4-1-2008 at 03:52
by: len1
Sodium Ferrocyanide
Yes I noticed the gassing - that means you want to achieve soubilities of the order of saturation of ...
4-1-2008 at 01:08
by: len1
Sodium Ferrocyanide
[quote][i]Originally posted by garage chemist[/i]
You can purify NaCl from almost any contaminants ...
4-1-2008 at 00:44
by: len1
potassium nitrate burning realy slow
[quote][i]Originally posted by DerAlte[/i]
You should get a hard cake of dried BP - one good way is ...
3-1-2008 at 19:52
by: len1
Pyridine synthesis/extraction
1) In your previous post you stated CaCO3 is a good reagent to decarboxylate niacin because its a b ...
3-1-2008 at 18:33
by: len1
Pyridine synthesis/extraction
Everything is an acid and everything is a base - its just a question of how strong.

Nicotinic aci ...
2-1-2008 at 13:19
by: len1
anhydrous liquid ammonia
[quote][i]
And consider the status of iodides in Australia, a country with a lot of coastline and s ...
1-1-2008 at 22:14
by: len1
anhydrous liquid ammonia
Mix slaked lime and ammonium sulphate, both from the hardware store, heat in a steel can, and conden ...
1-1-2008 at 22:00
by: len1
Pyridine synthesis/extraction
[quote][i]Originally posted by leu[/i]
[color=red]1.5 g nicotinic acid and 2.5 g CaCO3, when heated ...
29-12-2007 at 20:12
by: len1
Pyridine synthesis/extraction
Well now youve got me interested, I shall ahve to try this out!
29-12-2007 at 19:17
by: len1
Pyridine synthesis/extraction
I dont believe this gives a measurable yield. Decarboxilating in the 3-position is much harder than ...
29-12-2007 at 04:36
by: len1
Chlorine - Illustrated Practical Guide
[i][size=0][align=center][font=Times New Roman]This is a first in a series of Illustrated Key Synthe ...
27-12-2007 at 20:08
by: len1
unconventional sodium
I dont think your results are different. A white precipitate is generated from the reaction of Mg w ...
27-12-2007 at 15:19
by: len1
unconventional sodium
Thanks. The whole point in this for me was to witness what I thought was an amazing reaction. Unti ...
27-12-2007 at 14:03
by: len1
Homebuilt 1300°C tube furnace
No the contact V2 and V3 must be at the temperature of the outer (iron) tube. They must be electric ...
27-12-2007 at 03:15
by: len1
Homebuilt 1300°C tube furnace
Here is an explanation of what I had in mind


____________V2(T0)____________________ ...
26-12-2007 at 16:14
by: len1
Homebuilt 1300°C tube furnace
Well I guess I meant you can program it to follow a temperature regime. Different temperatures for ...
25-12-2007 at 23:23
by: len1
Homebuilt 1300°C tube furnace
[quote]
Hi len1, I've been looking on the internet for a triac temperature controller circuit with ...
25-12-2007 at 18:30
by: len1
Homebuilt 1300°C tube furnace
@garage chemist

I was replying to what someone further up the thread wrote about a PID controller ...
25-12-2007 at 17:21
by: len1
Illustrated key syntheses in chemistry
@chromium

Yes, I wasnt sure if the thread will work as I suggested, I posted to see what would ha ...
25-12-2007 at 16:17
by: len1
Homebuilt 1300°C tube furnace
I have quite a bit of experience with designing PID's. You only really need them if the oven you ar ...
25-12-2007 at 15:52
by: len1
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