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Heating mantle/variac
Question: The stirrer in the mantle will still run when on a variac, because the sine wave is just s ... |
6-10-2015 at 08:44
by: subsecret |
Friedrichs Condenser purchase (using vertical condenser)
Christ! Did you really need Pyrex?
What size distillation flask are you using? What heat source? ... |
6-10-2015 at 08:41
by: subsecret |
Iodine Cis-Trans Rotation
[rquote=419651&tid=63658&author=DraconicAcid]
It probably doesn't give the 2,3-diiodobuta ... |
18-9-2015 at 12:07
by: subsecret |
Grease sources for glassware joints?
I use plumbers' grease or PTFE tape for my joints, but in the case of bromine or nitric acid, I use ... |
15-9-2015 at 16:07
by: subsecret |
New regulations on sulfuric acid in the U.S.?
Distilling might be a better way to go if you want to buy sulfuric acid OTC as drain opener; I've no ... |
13-9-2015 at 17:19
by: subsecret |
Organic is too Advanced ?
I think that organic is both easier and more rewarding for the amateur chemist; it's more about geom ... |
13-9-2015 at 17:17
by: subsecret |
Sick from this Copper Stuff, any idea what it is?
Anti-seize is more adhesive than that, and it's odd that it's just sitting there like a puddle. I th ... |
15-7-2015 at 09:21
by: subsecret |
what are the products of this reaction c2h2+h2so4+kno3.
The reaction of acetylene and nitrogen would be a neat way to get HCN. |
12-7-2015 at 09:45
by: subsecret |
Electricity: Blackout during experimenting, any idea's ?
Find the circuit breaker and turn it on and off. If you still have no power, check the continuity of ... |
11-7-2015 at 13:40
by: subsecret |
Glove protection
My hands have survived bromine, nitric acid, hydrochloric acid, concentrated sodium hypochlorite, et ... |
5-7-2015 at 22:09
by: subsecret |
500 ml copper flask
These semispheres would be nice for homemade heating mantles. |
5-7-2015 at 19:35
by: subsecret |
Test for Lead in Alcohol
Depending on how much you drink, you might still sustain damage even if you can't see a rhodizonate/ ... |
4-7-2015 at 20:40
by: subsecret |
Preparation of Styrene and Phenylacetylene from Polystyrene
I'm inclined to bubble chlorine straight into the styrene, maybe even styrene in DCM to make the chl ... |
22-6-2015 at 20:17
by: subsecret |
Preparation of Styrene and Phenylacetylene from Polystyrene
Sorry to revive an old thread...
Instead of Br[sub]2[/sub]/DCM, could sodium hypochlorite solutio ... |
22-6-2015 at 18:17
by: subsecret |
Recirculating Suck-Back Trap
Here's my design. The two parts are connected with a 45/50 joint.
[Edited on 16-6-2015 by subsecr ... |
16-6-2015 at 07:40
by: subsecret |
How to circulate solution without contamination?
You could immerse a heat exchanger in the reaction vessel; the inside of a large spiral condenser wo ... |
5-6-2015 at 10:45
by: subsecret |
What is the scariest reaction/syth that you do?
I made bromine via the TCCA, HCl, and NaBr method yesterday, and I added the acid way too quickly. M ... |
4-6-2015 at 17:45
by: subsecret |
Distillation Over Metal Dust
Distillation from magnesium turnings is a good way to dry some solvents that react with alkali metal ... |
4-6-2015 at 17:41
by: subsecret |
New ink
If the nitrogens have a + sign indicated, shouldn't three of the oxygens have the opposite charge sh ... |
4-6-2015 at 17:40
by: subsecret |
Best non-polar solvent for caffeine
I actually extracted my caffeine into acidified water, then deprotonated the caffeine in the separat ... |
1-6-2015 at 17:04
by: subsecret |
How to draw solution through a system
https://www.youtube.com/watch?v=Z-0EnES_OS4
Skip to 8:00 |
30-5-2015 at 09:03
by: subsecret |
Sciencemadness Patches!
What about a shirt with this design? Having a patch on a lab coat that you only wear at home doesn't ... |
28-5-2015 at 07:07
by: subsecret |
My Results (Nitric Acid Synthesis) Using calcium nitrate
Distillation of the acid will produce a product that is mostly free from contaminants. Add a stoichi ... |
17-5-2015 at 13:44
by: subsecret |
Benzene synthesis
Just a note:
JB Weld will does not withstand the effects of dry distillation of sodium benzoate a ... |
10-5-2015 at 17:26
by: subsecret |
Setting up Lab - Help Please!
A fume hood might be a nice idea, but I highly recommend running the exhaust out the roof; this will ... |
4-5-2015 at 16:46
by: subsecret |
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