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Sensitive ammonium compounds and synthesis
NitrIte and ammonium ion is a classic means of producing nitrogen gas. Ammonium nitrate on heating g ... |
7-4-2017 at 23:16
by: nezza |
Freezing ethanol with liquid carbon dioxide?
Dry ice and acetone does get viscous and reaches a very low temperature. Dropping warm water into th ... |
6-4-2017 at 02:57
by: nezza |
Molten Europium
Thanks for the info on Europium (II) colours. Do you have a source ?.
In any case it explains my ob ... |
10-3-2017 at 00:44
by: nezza |
A quick test.
Spot on. I had a sample of Europium in my element collection which had got a heavy coating of oxide/ ... |
6-3-2017 at 00:36
by: nezza |
A quick test.
Cold water. The gas released is hydrogen. |
5-3-2017 at 11:23
by: nezza |
A quick test.
Clue 2. The object dropped in is an element. |
5-3-2017 at 07:43
by: nezza |
A quick test.
Here's a clue. The liquid is just water. |
5-3-2017 at 05:24
by: nezza |
A quick test.
here's a quick test. What reaction is shown in the attached video. It is shot in real time.
[fil ... |
5-3-2017 at 04:02
by: nezza |
Camera Selection, Filming Pyrotechnics
I use a Panasonic Lumix FZ-200. It was a reasonable price and gives 100 fps at 720p or 200 fps at VG ... |
3-3-2017 at 01:44
by: nezza |
Alternatives to sulphuric acid for make ethyl borate
The sulphuric acid acts a a catalyst and a desiccant removing the water produced by the reaction. I ... |
5-2-2017 at 02:26
by: nezza |
First test for a safe KCN synthesis
You can make mixed KCN/NaCN by heating DRY ferrocyanide with Sodium and extracting with water. I sus ... |
5-2-2017 at 02:23
by: nezza |
Acid/Base extraction of ASA from aspirin
Dissolve aspirin in NaOH -> Sodium acetylsalicylate. Do not heat. Sodium Carbonate might work.
F ... |
3-2-2017 at 02:23
by: nezza |
Extremely beginnery question (sorry)
You can. |
2-2-2017 at 02:11
by: nezza |
The Stronger Acid
Dry HBr is purely covalent and there is no acid species present. |
1-2-2017 at 01:36
by: nezza |
Making Gold III chloride?
The beauty of using Aqua Regia is that all of the products are volative or gases so the gold solutio ... |
1-2-2017 at 01:35
by: nezza |
Isopropyl Acetate
From my experience isopropyl acetate smells vaguely like petrol or cyclohexane, not particularly fru ... |
27-1-2017 at 03:33
by: nezza |
Elemental Thallium under glycerol
That is because Thallium(I) chloride is insoluble in water. Any acid with a soluble Thallium(I) salt ... |
20-1-2017 at 00:08
by: nezza |
Periodic Table Display
Here is my effort at a periodic table with a few notes.
1. I deliberately stopped at Bismuth as r ... |
12-1-2017 at 02:04
by: nezza |
H2S preparation
You will not be able to make H2SO4 from MnSO4 and H2S in an aqueous environment. MnS has a highish s ... |
12-12-2016 at 01:17
by: nezza |
MnO2 -> MnSO4; What is the best route?
In acid conditions Mn2+ is the stable species. Adding Hydrogen peroxide and dilute Sulphuric acid to ... |
4-12-2016 at 03:50
by: nezza |
Red chemiluminescence
Here's a picture of the red chemiluminescence from Woelen's method. Thanks for the method Woelen.
... |
21-11-2016 at 00:33
by: nezza |
Polishing scratches from a microscope lens?
Do not try to polish the scratches out. It will invariably impair the performance of the lens. Clean ... |
13-11-2016 at 01:54
by: nezza |
2,4-DNPH in schools - overreaction
"They have this chemical. It is no longer in the curriculum.". Are "A" level chemistry students the ... |
2-11-2016 at 12:36
by: nezza |
Dissolving silver as silver lactate?
The thing is silver is well below hydrogen in the electrochemical series so will not displace it fro ... |
11-10-2016 at 06:15
by: nezza |
Copper complex with oven cleaner(Ethanolamine)
I've played about with some copper(II) complexes with a few amines. Here is a pretty picture of a fe ... |
5-10-2016 at 06:13
by: nezza |
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