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Everyday Chemistry
I made a good sized quantity of Mohr's salt, ferrous ammonium sulfate from fertilizers. The pale gre ...
21-12-2022 at 12:10
by: solitanze
Latest chemical order?
Vanadium pentoxide
Molybdenum trioxide
Barium hydroxide
Copper(II) chloride

There ...
22-12-2018 at 11:19
by: solitanze
Copper(II) acetate triarsenite synthesis questions/help
You can occasionally find this substance on eBay. Other than that it is pretty hard to come by.

" ...
17-4-2017 at 10:56
by: solitanze
Chemicals with a strong smell
Bromine immediately comes to mind. The stench is unbearable.
27-5-2016 at 23:11
by: solitanze
Latest chemical order?
Elemental barium (sample in ampoule)
Sodium nitrite
Sodium azide
Potassium bromide
24-5-2016 at 12:33
by: solitanze
What was your most dangerous/risky experiment
Made a few hundred milligrams of chromyl chloride CrO2Cl2. It's very volatile and carcinogenic.

I ...
14-5-2016 at 03:07
by: solitanze
Fun/cool reactions/experiments to do with CS2?
You could prepare xanthate salts from CS2 and KOH (or NaOH) in ethanol: EtOH + CS2 + KOH → EtOCS2K ...
10-5-2016 at 02:22
by: solitanze
Help Making Nitrocellulose
For best results, boil cotton balls in a 2% solution of NaOH for an hour or so, then wash thoroughly ...
6-5-2016 at 08:21
by: solitanze
Dried my DCM and now I have some tiny bubbles on the bottom, are these peroxides?
DCM slowly decomposes to HCl and phosgene (bad!) if I recall correctly, usually it is stored with a ...
4-5-2016 at 08:28
by: solitanze
Cu reactions with NaOH, NH4OH & (NH4)2SO4
Indeed, what you have is a solution with cuprate ions. The higher the concentration of hydroxide, th ...
4-5-2016 at 08:18
by: solitanze
Organic synthesis
The preparation of phenol from benzene (via nitrobenzene and aniline) came to my mind. It's a beauti ...
25-4-2016 at 13:05
by: solitanze
Sodium Hydroxide reduction
I believe the 'thermite' reaction is 6 NaOH + 4 Al --> 6 Na + 2 Al2O3 + 3 H2. In a side reaction, ...
25-4-2016 at 09:54
by: solitanze
Cleaning glassware and other equipment
At our college we use chromic acid for cleaning basically everything. For really sensitive work boil ...
25-4-2016 at 07:58
by: solitanze
Detecting phosphates (chlorides too) without Mo
I would add excess sulphuric acid, boil for a while to drive off all the HCl, chlorine and carbon di ...
25-4-2016 at 06:23
by: solitanze
Sodium Carbonate - strange stuff! Dissolved in room temp H2O then crystalized
From the sodium carbonate/water phase diagram, what you have is the decahydrate.

Heat the solutio ...
24-4-2016 at 13:50
by: solitanze
Sodium Hydroxide reduction
Yes, it's called the Castner process but it's quite dangerous. Molten sodium hydroxide is extremely ...
24-4-2016 at 13:37
by: solitanze
Sodium Hydroxide reduction
Yes it will work but the yield is pathetic and you'll need a way to separate the sodium metal from t ...
24-4-2016 at 13:07
by: solitanze
Crystallization of KMnO4
I wouldn't recommend acetone, or any other organic solvent, which could be oxidized. And it's only s ...
24-4-2016 at 12:04
by: solitanze
Obscure antiquated or household drugs
I have an old empty opium bottle. It's made from ivory and even came with a special metal spoon.

24-4-2016 at 10:42
by: solitanze
Simple CCl4 preparation?
This may help:
24-4-2016 at 10:26
by: solitanze
What you take pride in...
I have a few things.

My bismuth crystals and mercury (reagent grade).

Nitric acid because it's ...
24-4-2016 at 10:21
by: solitanze
I want to hear your favorite chemistry demonstrations
Cellulose nitrate, from nitrating cotton balls.
Bleaching a red potato or onion with sulphur dioxid ...
24-4-2016 at 08:13
by: solitanze
Hydrogen halides by phosphoric acids?
Aqueous phosphoric acid (often in 75-85% concentration) + a iodide salt is the standard method for p ...
27-2-2016 at 16:27
by: solitanze
Material balance (chemical engineering)
Thank you very much for commenting. It's been a while but I was in the hospital for a while (appendi ...
23-2-2016 at 05:29
by: solitanze
Material balance (chemical engineering)
A magnesite ore contains 80 wt% MgCO3, 15 wt% SiO2 and 5 wt% H2O.

This ore is fed to a treatment ...
4-2-2016 at 16:33
by: solitanze

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