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The short questions thread (2)
If a text says "dissolve X grams of formaldehyde in methanol" that would mean adding enough 37% soln ... |
16-9-2009 at 18:31
by: crazyboy |
Diethylamine Synthesis
[rquote=160949&tid=11081&author=entropy51] Give us a break. I don't see one word in Agent M ... |
14-9-2009 at 15:55
by: crazyboy |
Pd/C
[rquote=161955&tid=12792&author=zed]Hmmmmm. Do you suppose coal based charcoal might contai ... |
9-9-2009 at 20:52
by: crazyboy |
Solubility of a mixture of isomers
[rquote=161599&tid=12783&author=chemoleo]
PS crazyboy - please explain why this makes sense ... |
5-9-2009 at 18:34
by: crazyboy |
cinnamic acid
Anything interesting that cinnamic acid can be used for? Google didn't yield much. |
5-9-2009 at 11:21
by: crazyboy |
Solubility of a mixture of isomers
7.35μ/L
Multiply the solubility of each isomer by its percentage in the technical grade ... |
4-9-2009 at 18:41
by: crazyboy |
Glassware garge sale for non-profit
I recently discovered this website which is selling a considerable amount of glassware at reasonable ... |
3-9-2009 at 16:25
by: crazyboy |
Glassware supplier recommendations
Cynmar, United Glass Tech an eBay. |
2-9-2009 at 11:14
by: crazyboy |
Evaporating a solution of HCL without vacuum?
The element chlorine is Cl, capital "C" then lowercase "l" not a 1 and not a capital "L" and yes it ... |
23-8-2009 at 04:30
by: crazyboy |
Evaporating a solution of HCL without vacuum?
Let it sit in a Pyrex or other glass baking tray maybe with a small fan blowing. It will evaporate p ... |
22-8-2009 at 19:22
by: crazyboy |
The short questions thread (2)
Is it ok to use a flat bottom flask as a receiving flask in vacuum distillation? I know RB is prefer ... |
13-8-2009 at 12:54
by: crazyboy |
Scientific calculators
Are you a student? If so I suggest the TI-85 it's a graphing calculator and it may be more than what ... |
11-8-2009 at 16:42
by: crazyboy |
sparkling wine, fork issue
kclo4 is right. This was tested by "Mythbusters" and confirmed by common sense, a silver spoon in a ... |
11-8-2009 at 12:47
by: crazyboy |
Digital Pocket Scales Don't Last?
I buy scales cheap usually about $12 they work fine. EEE.E means overload. If you exceed the scales ... |
7-8-2009 at 12:21
by: crazyboy |
Daigger?
Except for scheduled or rare organic chemicals most things can be purchased fairly easily or synthes ... |
7-8-2009 at 12:01
by: crazyboy |
Demo of old photographic process
I conducted a similar experiment but I painted the paper in silver chloride soln. then placed a piec ... |
2-8-2009 at 16:29
by: crazyboy |
New toy, a few questions.
[rquote=159098&tid=12613&author=entropy51]Congrats on your acquisition.The joint for the rec ... |
1-8-2009 at 13:05
by: crazyboy |
New toy, a few questions.
I recently purchased a Yamato RE-46 rotovap online. I have always wanted one but never could afford ... |
1-8-2009 at 12:01
by: crazyboy |
What does partitioned mean?
Honeststy will get you much farther than lies around here. First it's
"I just saw it in my textbo ... |
30-7-2009 at 14:53
by: crazyboy |
What does partitioned mean?
Hmmm not sure but it's possible "the residue" is lighter than saturated NaHCO3 but heavier than ethy ... |
29-7-2009 at 23:00
by: crazyboy |
The short questions thread (2)
A few random questions:
1. How interchangeable are potassium and sodium salts? Assuming you adjus ... |
23-7-2009 at 20:05
by: crazyboy |
The short questions thread (2)
[rquote=158427&tid=12054&author=bfesser]crazyboy:
Thanks for the advice, but I have no hydr ... |
23-7-2009 at 15:48
by: crazyboy |
Question about plant oil extraction using ethanol.
[rquote=158396&tid=12566&author=starman]Given more on the specific compound desired isolated ... |
23-7-2009 at 15:12
by: crazyboy |
The short questions thread (2)
I suggest acid hydrolysis it is far more effective and cleaner. From my notes:
10g ASA are added ... |
23-7-2009 at 14:29
by: crazyboy |
Questions about how to boil under reflux
It's really easy just put your liquid in a round bottom flask attach a condenser going up run cold w ... |
22-7-2009 at 21:39
by: crazyboy |
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