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Antimony toxicity...??
"Chemophobic gov and lawmakers". Exactly. I hate our government. They have ruined chemistry as an a ... |
19-11-2018 at 14:23
by: nezza |
EPP 15% Sulphuric acid !
The stupidest thing about this is that concentrated caustic alkalis (still freely available) are alm ... |
10-11-2018 at 14:23
by: nezza |
phosphoric acid identification
Hypophosphorous acid is a very strong reducing agent. It will reduce Cu++ to the metal and it will C ... |
2-11-2018 at 12:57
by: nezza |
How to make anhydrous NaClO3 from hydrated NaClO3 ?
Do you NEED it as solid Sodium Chlorate ?. If you need the solid it is much more convenient to conve ... |
11-10-2018 at 11:55
by: nezza |
barium hydroxide [Ba(OH)2]
Ignition of Barium salts (carbonate or nitrate) requires very high temperatures and is not at all ea ... |
4-9-2018 at 07:55
by: nezza |
Synthesis of pure Bromine with no byproducts
If you are going to distil the bromine off anyway why not use sulphuric acid and permanganate. I hav ... |
13-7-2018 at 11:06
by: nezza |
Interesting experiments with light?
Fluorescence offers some interesting options. Europium salts fluoresce red under UV. Using a 405nm l ... |
21-4-2018 at 11:33
by: nezza |
Processing BaSO4 to either carbonate or sulfide
Boiling BaSO4 with Sodium or potassium carbonate does indeed work. I have done this in the past. You ... |
16-2-2018 at 12:52
by: nezza |
monobasic and dibasic of sodium phosphate
Phosphoric is a tribasic acid and forms 3 sodium salts as has been explained earlier. Th pKa of the ... |
4-1-2018 at 07:41
by: nezza |
Sodium azide toxicity
It's an interesting question and thanks for the answers. At work we used cyanides and azides frequen ... |
29-12-2017 at 02:21
by: nezza |
What on earth is my "Pyridine"?!
If it smells remotely pleasant it is not pyridine. Pyridine has a revolting faintly ammoniacal smell ... |
12-12-2017 at 07:25
by: nezza |
Gentle rust removal w/o nasty residues
Coka Cola apparently works quite well for rust removal. Just leave the object in overninght. It also ... |
8-12-2017 at 02:50
by: nezza |
Cobalt compounds
I've messed about with a few cobalt compounds in the past. Here are a couple of pictures of cobalt c ... |
4-12-2017 at 08:38
by: nezza |
Chemistry Video Software.
Movie Maker (Up to Windows 7) is a decent, easy program to use for titling and cutting videos. If yo ... |
23-11-2017 at 02:30
by: nezza |
The lead salts preparation thread!
Here's a sample of Ammonium chloroplumbate I recently had a go at making. The procedure :-
1. Disso ... |
23-11-2017 at 02:25
by: nezza |
Unidentified gunk on sodium in white spirit
Alkali metals are just such fun to store long term. I have small samples of Lithium, Sodium and Pota ... |
10-11-2017 at 04:42
by: nezza |
Locating Nitric acid
Quote: Originally posted by NEMO-Chemistry
Wait until next year, in the UK sulphuric acid will be ... |
12-10-2017 at 05:28
by: nezza |
Produce trithioacetone
I would recommend against it. It is supposed to be one of the most penetrating and evil smelling sub ... |
9-10-2017 at 01:18
by: nezza |
Produce iron dust
Iron dust ?. One way of making pyrophoric iron powder is to heat ferrous oxalate in the absence of a ... |
7-10-2017 at 01:15
by: nezza |
'Invisible sodium' effect using nitric acid
I'm still convinced it's sodium oxide/hydroxide jumping about on the surface due to the leidenfrost ... |
7-10-2017 at 01:11
by: nezza |
Phenol
Thanks folks. |
1-10-2017 at 00:49
by: nezza |
Phenol
Is there a relatively easy way to make Phenol C6H5OH as it seems very difficult to source these days ... |
30-9-2017 at 02:17
by: nezza |
Mysterious compound
Mix some of the solution 50:50 with acetone. Adding cobalt(II) to this solution should give a bright ... |
13-9-2017 at 23:46
by: nezza |
How good is this way to make alum?
In the old days when chemistry was taught at school this was an occasional exam question on how to m ... |
12-9-2017 at 05:59
by: nezza |
Mysterious compound
It sounds like potassium thiocyanate. It is quite hygroscopic and old bottles will have liquid in th ... |
9-9-2017 at 03:36
by: nezza |
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