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Remove Na impurities in K salts?
KOH is much more soluble in alcohol than NaOH so dissolving it in alcohol and decanting off from any ...
14-7-2019 at 13:48
by: nezza
BaCrO4 and 3 different acids
Adding peroxide to acidic solutions/suspensions of chromate gives peroxychromic acid (CrO5). This is ...
8-7-2019 at 13:17
by: nezza
Preparation of Mn3+ and Co3+
In acid solution Co(III) and Mn(III) are difficult to prepare. In alkaline solution Co(III) and Mn(I ...
8-7-2019 at 10:59
by: nezza
BaCrO4 and 3 different acids
I suspect the green/blue colours you are getting are due to reduction of the chromate ion by the aci ...
8-7-2019 at 10:55
by: nezza
Sulfuric Acid in UK
The UK government are scientifically illiterate autocrats who go in for idiotic over the top knee je ...
29-6-2019 at 11:28
by: nezza
The moment (or moments) that made you realize you had a passion for chemistry
Walking into my first real chemistry class and the teacher asking us one simple question - "What are ...
30-5-2019 at 04:21
by: nezza
sharing Awesome Chemical Pictures (Read first comment)
And of course Europium 3+ in alkali fluorescing under a UV laser.
17-4-2019 at 11:55
by: nezza
Singlet Oxygen Luminescence in a Home Lab
It is doable. Here are a couple of pictures of singlet oxygen.
17-4-2019 at 11:54
by: nezza
sharing Awesome Chemical Pictures (Read first comment)
Over the years I have accumulated a few pictures of unusual chemicals. Here are 4 I have taken over ...
17-4-2019 at 11:49
by: nezza
Gallic acid extraction
I too have been looking for a source of gallic acid. For some reason it seems difficult to get hold ...
31-3-2019 at 08:22
by: nezza
Preperation of ethyl salicylate
Water is the enemy. While boric acid will catalyse the reaction it will not increase the % product a ...
31-3-2019 at 08:17
by: nezza
BaCl2 to Ba(NO3)2 for pyrotechnic purpose?
For pyrotechnics Barium chlorate gives a much more pronounced green colour, the colour being due to ...
26-2-2019 at 08:16
by: nezza
Where can I buy distilled water in the UK?
Halfords or other Garages sell battery top up water. It is deionised rather than distilled, but near ...
26-2-2019 at 08:13
by: nezza
Relation between solubility and temperature
Some reagents do follow a simple solubility curve if you plot solubility agaist temperature. There i ...
13-1-2019 at 07:06
by: nezza
Brexit effect - reagent dry up from/to the UK
TBH they've already killed amateur chemistry in the UK with their silly and draconian restrictions o ...
13-1-2019 at 06:55
by: nezza
Kilogram Standard
Yup. Part of a drive to get all KGS standards linked to universal physical constants as the various ...
19-11-2018 at 14:25
by: nezza
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
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