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

Search
[Next Page]
How to dissolve wood?
Wood is disintegrated in pulp mills using aqueous NaOH/Na2S (Kraft process) at about 180°C for 3 hr ...
7-7-2019 at 16:09
by: Magpie
Tourist/sightseeing places related to chemistry
In Soda Springs, ID, you can see trucks dumping yellow hot liquid CaSiO4 over a cliff. This is a wa ...
18-5-2019 at 20:03
by: Magpie
Preparation of Diethyl Sulfate
Here are the results of refractive index determinations:

3- run composite of 8-5-19 above: 1.397 ...
18-5-2019 at 17:58
by: Magpie
Preparation of Diethyl Sulfate
Thank you. I have plans to identify this and eventually make phenetole as you have suggested.
17-5-2019 at 07:56
by: Magpie
Preparation of Diethyl Sulfate
I made another Et2SO4 run today. The only change I made was to use 19/22 glassware instead of 24/40 ...
16-5-2019 at 14:56
by: Magpie
Preparation of Diethyl Sulfate
I was taught that the products of the reaction between ethanol and sulfuric acid depend on the tempe ...
8-5-2019 at 15:03
by: Magpie
Preparation of Acetic Anhydride
So I did! Thanks Waffles.
19-4-2019 at 09:49
by: Magpie
Preparation of Acetic Anhydride
No, I have never made HPO3 but would like to. What I made with H3PO4 was SO3. I posted this on the ...
19-4-2019 at 07:00
by: Magpie
Preparation of Acetic Anhydride
Make a derivative (as I explained above) and determine its mp.
18-4-2019 at 12:07
by: Magpie
Thermodynamics - Heat of Vaporization change with pressure
The definition of enthalpy is "internal energy" + PV. So why wouldn't the enthalpy change with pres ...
15-4-2019 at 08:53
by: Magpie
New to the forum, quick blurb about me
Don't worry about making acetic anhydride. I show how to make this in Prepublication. If we starte ...
14-4-2019 at 09:27
by: Magpie
Thionyl chloride from sulphur dioxide and phosphorus pentachloride?
len1 made it first, also using SO3/SCl2, also in Prepublication.
7-4-2019 at 20:13
by: Magpie
Distillation problems using different diameter glassware.
Adiabatic is good. Note that refinery distillation columns are insulated. What you want is condens ...
5-4-2019 at 14:51
by: Magpie
New Fume Hood I purchased for 100$
That's an awesome find!

If you know the make and model you may be able to find some manual online ...
26-2-2019 at 12:11
by: Magpie
The Wump Incident
I am happy to hear that you are OK and that you have learned an indelible lesson about chemistry. I ...
20-2-2019 at 09:28
by: Magpie
How to discover if something is made of Magnesium?
There is a classic qualitative analysis wet chemistry test for Mg++. Look it up.
26-1-2019 at 09:02
by: Magpie
Senior Centers and Science Lab Socials
Charlie A: I also am a senior. We don't resemble that remark. :D
22-1-2019 at 09:11
by: Magpie
Preparation of Diethyl Sulfate
I tried sparging ethylene into con sulfuric acid but at 100°C. The patent I listed above said the ...
7-1-2019 at 15:39
by: Magpie
Preparation of Diethyl Sulfate
The method I am referring to is in the first post of this thread.
6-1-2019 at 16:49
by: Magpie
Preparation of Diethyl Sulfate
kmno4: I have use this method with yields of 0-14.4%.

Pumulki: Thanks for the procedure. I may ...
6-1-2019 at 11:30
by: Magpie
Preparation of Phenol from Salicylic Acid
[rquote=577312&tid=27617&author=XeonTheMGPony]
I do recommend doing this stuff as it builds ...
5-1-2019 at 09:06
by: Magpie
Large lab
I have 250-300 chemicals and occaisionaly pick up a new one as required. I never buy a chemical unl ...
4-1-2019 at 09:57
by: Magpie
Preparation of Diethyl Sulfate
I recently attempted to make diethyl sulfate (DES) by sparging ethene into con H2SO4 held at 97°C. ...
29-12-2018 at 12:54
by: Magpie
Porous plate
I bought an unfired ceramic dinner plate for such use. It seemed to do the job of removing free liq ...
23-12-2018 at 20:35
by: Magpie
Potassium permanganate
I hate the manufacture and use of illicit drugs as much as anybody. However, I think that no chemic ...
7-12-2018 at 08:46
by: Magpie
[Next Page]

  Go To Top