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Heptane and Toluene
I' m almost positive that the CO2 is the problem. When distilling ether from starting fluid the bp ... |
13-2-2017 at 20:59
by: Magpie |
Heptane and Toluene
The CO2 can make a big difference. Try refluxing the solution for a half hour or so to see if you c ... |
13-2-2017 at 20:28
by: Magpie |
Heptane and Toluene
I think you are expecting too much from that column. It's only equivalent to a few equilibrium stag ... |
13-2-2017 at 20:00
by: Magpie |
The Short Questions Thread (4)
See p 3 of the "Preparation of ionic nitrites" thread, post of garage chemist. |
12-2-2017 at 17:02
by: Magpie |
Preparation of Salicylaldehyde
I am glad this synthesis worked out so well for you. That's an amazing yield compared to what Vogel ... |
11-2-2017 at 13:13
by: Magpie |
Preparation of Salicylaldehyde
I saw no colors after the formation of the adduct other than a slight yellowing of the final product ... |
10-2-2017 at 08:30
by: Magpie |
DCM inplace of Ether for recovering Benzaldehyde adduct?
I used DCM in place of ether in my synthesis of salicylaldehyde here: http://www.sciencemadness.org ... |
7-2-2017 at 21:03
by: Magpie |
Lab scale contact process for H2SO4 (report)
Nice work!
Indicating silica gel: Is this something you made or is it commercially available?Nve ... |
6-2-2017 at 12:52
by: Magpie |
Water >> H2 and 1/2O2 electrolysis
Search Abebooks for "Build a Solar Hydrogen Fuel Cell System':
https://www.abebooks.com/servlet/S ... |
4-2-2017 at 20:51
by: Magpie |
Ethylnitrate
FYI there is a procedure for ethylnitrate in Cumming (forum library). Note the recommendation for u ... |
2-2-2017 at 17:41
by: Magpie |
Ethylnitrate
[rquote=473467&tid=72043&author=Marvin] Were you following a published synthesis or winging ... |
2-2-2017 at 10:07
by: Magpie |
is there an ideal size for a liebig condenser for distillations?
I got along fine with a 19/26 200mm West condenser for many years. A West is very similiar to a Lie ... |
31-1-2017 at 15:37
by: Magpie |
Tour My Lab
Here's the air routings that I use. The top one is preferred. But I do often use the bottom one.
... |
31-1-2017 at 15:03
by: Magpie |
Martius Yellow - fun with dyes
Rit White-Wash is sodium hydrosulfite (sodium dithionite) plus a little sodium carbonate, available ... |
28-1-2017 at 19:33
by: Magpie |
Isopropyl Acetate
I made n-amyl acetate. Whiffs smelled of banana as hoped. Smelling too much smelled of finger nail ... |
27-1-2017 at 10:37
by: Magpie |
Benzoquinone from Paracetamol
[rquote=472408&tid=8250&author=JJay]
If acetaminophen can be easily de-acetylated by reflux ... |
26-1-2017 at 15:08
by: Magpie |
Science in danger - epa ordered to take down climate change page
[rquote=472804&tid=71936&author=AJKOER]
Interestingly, China is a now major sponsor of envi ... |
25-1-2017 at 11:52
by: Magpie |
Benzoquinone from Paracetamol
I was doing some reading in Groggins, "Unit Processes in Organic Synthesis," 3rd ed (1947), a chemic ... |
23-1-2017 at 13:31
by: Magpie |
Benzoquinone from Paracetamol
[rquote=472383&tid=8250&author=PHILOU Zrealone]
p-amino-phenol will yield a relatively stab ... |
20-1-2017 at 16:12
by: Magpie |
Benzoquinone from Paracetamol
speculation:
Could the acetyl group be removed (as in a protective group removal) leaving p-amino ... |
19-1-2017 at 16:52
by: Magpie |
Steam pressure chamber for 1000C
Here you go  :
http://www.ebay.com/itm/Galigher-Hastelloy-Sleeve-58253-/270996816640?hash=item3f ... |
16-1-2017 at 11:31
by: Magpie |
Steam pressure chamber for 1000C
As you say, ordinary steel and stainless steels aren't going to cut it. A nickel alloy like Hastell ... |
15-1-2017 at 15:30
by: Magpie |
Steam pressure chamber for 1000C
Assuming the following reaction:
3Fe + 4H2O = Fe3O4 + 4H2
Water will have to be continuos ... |
14-1-2017 at 18:24
by: Magpie |
Steam pressure chamber for 1000C
I don't see how that coupler would work - it's open on both ends.
Are you going to have to pump i ... |
13-1-2017 at 15:48
by: Magpie |
Steam pressure chamber for 1000C
I'm going to reverse myself and say that I like Fulmen's pressure regulator. This would be a good s ... |
13-1-2017 at 14:00
by: Magpie |
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