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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
Naphtalene
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
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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: http://www.sciencemadness.org/talk/viewthread.php?tid=10300 |
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 |
