Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Tour My Lab
Looks nice, zts. I have the same McMurry fourth edition ochem textbook:D
22-12-2015 at 10:52
by: ParadoxChem126
Nitrogen Generator
Really? Can you provide an example of pinholes being used to separate air? Diffusion membranes work ...
22-12-2015 at 10:49
by: ParadoxChem126
Condenser pump
For years I've used an 80 GPH fountain pump submersed in a styrofoam cooler filled with ice water. T ...
22-12-2015 at 02:13
by: ParadoxChem126
OTC ethanolic HCl
Bubble HCl gas through ethanol directly. The quantity of drying agent needed to absorb that much wat ...
22-12-2015 at 02:04
by: ParadoxChem126
Nitrogen Generator
[rquote=432174&tid=64726&author=JJay]
Possibly several chambers could be set up separated b ...
21-12-2015 at 18:14
by: ParadoxChem126
Nitrogen Generator
Of course, for significant quantities of nitrogen, an air separation diffusion membrane is always an ...
20-12-2015 at 23:33
by: ParadoxChem126
Nitrogen Generator
Sodium nitrite is fairly cheap and easy to obtain online as a food preservative. Check Amazon, you c ...
20-12-2015 at 19:43
by: ParadoxChem126
Li in NH3 question
[rquote=430250&tid=64541&author=zts16]Yes, and from the "I am no chemist," cagey questions, ...
6-12-2015 at 22:42
by: ParadoxChem126
Li in NH3 question
[rquote=430016&tid=64541&author=an_drip]...I've read about people haphazardly throwing ammon ...
4-12-2015 at 20:00
by: ParadoxChem126
Li in NH3 question
I believe he is referring to lithium dissolved in liquified ammonia gas. It dissolves to give a solu ...
4-12-2015 at 05:45
by: ParadoxChem126
Graham Condenser Usefulness?
I've attempted to use Graham condensers in the horizontal configuration, but it is extremely frustra ...
13-11-2015 at 13:10
by: ParadoxChem126
Heating a round bottom flask with a hotplate?
I advocate for the sand bath. It takes a while to heat up but works fairly well for high temperature ...
2-11-2015 at 08:51
by: ParadoxChem126
Storing Sodium Metal
The main issue with long term storage in toluene is that it is flammable. If there was an uncontroll ...
29-10-2015 at 11:50
by: ParadoxChem126
SH-2 Stirrer?
Heating mantles do not usually come equipped with an integrated magnetic stirrer, so overhead stirri ...
26-10-2015 at 08:30
by: ParadoxChem126
SH-2 Stirrer?
I own one of these hotplates, and for many applications it can be useful. The aluminum surface heats ...
26-10-2015 at 06:07
by: ParadoxChem126
Dilute sulfuric acid in fruit dehydtrator
Nitric acid is considerably volatile, it will evaporate straight off with the water and will not con ...
14-10-2015 at 12:21
by: ParadoxChem126
Chlorobenzene from Aniline via the Sandmeyer Reaction
[rquote=422956&tid=32851&author=UC235]I got an 40% yield of Bromobenzene from aniline years ...
13-10-2015 at 13:48
by: ParadoxChem126
CCl4 Alternative ?
Chloroform is unlikely to be brominated under these conditions. A free radical halogenation with bro ...
9-8-2015 at 12:03
by: ParadoxChem126
CCl4 Alternative ?
Chloroform or even dichloromethane will likely work. As long as the solvent is inert to the reactant ...
8-8-2015 at 23:17
by: ParadoxChem126
Aniline in Beaker
You can always position an addition funnel at the top of the still head to add more water as it is d ...
3-8-2015 at 20:24
by: ParadoxChem126
Aniline in Beaker
You will need a fairly large flask to contain the entire reaction mixture in addition to the extra w ...
3-8-2015 at 19:30
by: ParadoxChem126
Aniline in Beaker
In theory it may be feasible to perform this reaction in a beaker with hand stirring, but ultimately ...
3-8-2015 at 19:03
by: ParadoxChem126
Cheap, Low-Resolution, Raman Spectroscopy
Has anybody tried a "scanning" type spectrometer? In other words, a Czerny-Turner monochromator with ...
24-5-2015 at 15:22
by: ParadoxChem126
Cheap, Low-Resolution, Raman Spectroscopy
I was under the impression that the spectrometer required precision engineering, circuitry, and prog ...
24-5-2015 at 14:59
by: ParadoxChem126
Cheap, Low-Resolution, Raman Spectroscopy
I am very impressed by the ingenuity of members on this forum. I myself plan to construct a Raman Sp ...
24-5-2015 at 13:32
by: ParadoxChem126
[Next Page]

  Go To Top